Earlier editions: 2026-07
Title 15 — Buildings and Construction
Yorba Linda Municipal Code Ch. 15.05 Residential Code
Yorba Linda Municipal Code · 2026-10 edition · updated 2026-10-04 · Yorba Linda
Cite as: Yorba Linda Municipal Code Chapter 15.05 · Text as of 2026-10-04
Note: Ord. 2022-1095 was repealed by Ord. 2025-1119, 10/21/2025.
§ 15.05.010. Residential Code adopted.¶
There is hereby adopted by reference, as the Residential Code of the City, the California Residential Code, 2025 Edition, with certain appendices and amendments, which incorporates and amends the International Residential Code, 2024 Edition with certain appendices and amendments, published by the International Code Council, one certified copy of which is on file in the office of the City Clerk for public inspection and is adopted with the same force and effect as though set out herein in full. The California Residential Code, 2025 Edition, as adopted herein, is amended as set forth in Sections 15.05.020 through 15.05.370.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.020. Chapter 1 Division II Administration—Amendments.¶
Section R105.2 Work exempt from permit is hereby revised by amending numbers 2,3,7, 10 and adding 11 to read as follows:
| 2. | Masonry or concrete fences not over 3 feet (1,829 mm) high measured from the lowest adjacent finish grade. |
|---|---|
| 3. | Retaining walls which are not over 4 feet in height measured from the bottom of the footing to the top of the wall unless supporting a surcharge, supporting a sloped backfill with a slope greater than 2:1 or impounding flammable Class I, II, or III-A liquids. |
| 7. | Prefabricated swimming pools that are less than 18" deep, do not exceed 5,000 gallons and are installed entirely above ground. |
| 10. | Decks not exceeding 120 square feet in area and are not more than 30 inches above grade at any point and that are not attached to a dwelling and do not serve the exit door required by Section R318 and that follow the requirements found in Chapter R504.7.3 of the California Wildland-Urban Interface Code. |
| 11. | Wrought Iron, wood, vinyl or chain link fences not over six (6) feet high measured from the lowest adjacent finish grade, unless said fence is part of a swimming pool and/ |
Section R105.3.1 Action on application is hereby amended by the addition of language to read as follows:
When plans or other data are required to be submitted by Section R105.1, a plan review fee shall be paid at the time of submitting plans and specifications for review. The amount of the plan review fee shall be as established by resolution adopted by the City Council.
When submittal documents for plan review are incomplete or modified so as to require additional plan review, an additional plan review fee shall be charged as established by resolution adopted by the City Council.
Section R105.3.2 Time limitation of application is hereby amended to read as follows:
R105.3.2 Time limitation of applications. An application for which no permit is issued within 180 days following the date of application shall automatically expire, unless such application has been pursued in good faith or a permit has been issued. The plans and other data submitted for review may thereafter be returned to the applicant or destroyed by the Building Official. The Building Official may extend the time for action by the applicant for a period not exceeding 180 days upon receiving a written request by the applicant showing that circumstances beyond the control of the applicant have prevented action from being taken. An application may be extended one or more times by the Building Official for additional periods not exceeding 180 days each. An application shall not be extended if this code or any other pertinent laws or ordinances have been amended subsequent to the date of application.
An application for a permit may only be extended if a written request for an extension is received prior to the expiration of the permit application. The application for an extension shall state the reason for the extension and identify conditions beyond the control of the applicant which justify the extension. The application shall be reviewed by the Building Official and a decision whether to grant an extension shall be based upon the merits of the written request for the extension. Payment of the application fee shall not automatically grant an extension. Permit application extensions shall not be granted after the expiration of the original permit application and payment of plan review fees. Full plan review fees as set forth in the fee resolution adopted by the City Council shall be paid should the permit application expire.
Section R105.5 Expiration is hereby amended in its entirety to read as follows:
R105.5 Time Limitation of an Issued Permit. Every permit issued shall become invalid unless the work authorized by such permit is commenced within 12 months after its issuance, or if the work authorized by such permit is abandoned for a period of 180 days after the time the work is commenced. The suspension or abandonment of work shall be defined as failing to obtain approval of a required inspection as specified in this code or obtaining a successful inspection as defined in City ordinance within a 180-day time period. A permit may only be extended, with no additional permit fees charged, if a written request for an extension is received prior to the expiration of the permit and payment of a non- refundable application fee. The application for an extension shall state the reason for the extension and identify conditions beyond the control of the applicant which justify the extension. The application shall be reviewed by the Building Official and a decision whether to grant an extension shall be based upon the merits of the written request for the extension. No additional permit fees, other than the application fee shall be charged when the extension request is received prior to the permit expiration. Payment of the application fee shall not automatically grant an extension. Permits which have become invalid shall pay a renewal fee of 50% of the original permit fee when the permit has been expired for up to one (1) year. When a permit has been expired for a period in excess of one (1) year, the renewal fee shall be 100% of the original permit fee.
Section 105.5.1 Time limitation of a permit that is the result of code enforcement action or unpermitted construction is hereby added to read as follows
105.5.1 Time limitation for a permit that is the result of code enforcement action or unpermitted construction. Notwithstanding any provision of the California Building Standards Codes or any other provision of the Yorba Linda Municipal Code; permits issued to remedy a code enforcement notice, administrative citation or other unlawful, unpermitted, substandard, or hazardous condition shall become invalid unless the work on the site authorized by such permit is commenced and the first inspection is received within 30 days after its issuance, or as directed in the notice of violation. Said permit shall expire and become null and void 90 days after its issuance if final inspection has not been obtained. The Building Official may extend the permit for a period not exceeding ninety 90 days upon written request by the applicant filed prior to the expiration date of the original permit.
Section R106.1 Submittal documents is hereby amended to read as follows:
R106.1 Submittal documents. Submittal documents consisting of construction documents, statement of special inspections, structural calculations, site survey, geotechnical report and other pertinent data shall be submitted in two or more sets or digital format where allowed by the Building Official, with each application for permit. The construction documents shall be prepared by a registered design professional where required by the Building Official. The Building Official may require the submission of plans and specifications, drawings, descriptions, and diagrams when in their judgement said documents are necessary to clearly show the character, kind and extent of work covered by an application for a permit.
Shop drawings for the fire protection system(s) shall be submitted to the Orange County Fire Authority for review to indicate conformance to the adopted codes and the construction documents and shall be approved prior to the framing inspection.
Exception: The Building Official is authorized to waive the submission of construction documents and other data not required to be prepared by a registered design professional if it is found that the nature of the work applied for is such that reviewing of construction documents is not necessary to obtain compliance with this code.
Section R-106.1.6 is hereby amended to read as follows:
R106.1.6 Exterior balconies and elevated walking surfaces. Where balconies or other elevated walking surfaces are exposed to water from direct or blowing rain, or irrigation and the structural framing is protected by an impervious moisture barrier, the construction documents shall include details for all elements of the impervious moisture barrier system. The construction documents shall include the manufactures installation instructions, the products listing name, approval number(s) of the product and the approving agency.
Section R106.2 Site plan or plot plan is hereby amended to read as follows:
R106.2 Site plan or plot plan. The construction documents submitted with the application for permit shall be accompanied by the sites assigned address(s), a site plan showing the location and dimensions of all new construction, the location and dimensions of all existing construction, all property lines shown and labeled, all easement(s) dimensions shown and labeled, dimensions between all new construction and all property lines, dimensions between all existing construction and all property lines, dimensions between all new and existing construction, locations of all slopes with the top of any slope or the bottom of any slope specifically plotted and indicated, the structural setback line from top of slope specifically plotted as required by Chapter 18 of the California Building Code, the overall vertical height of all slope shown, dimensions from the top of any slope to all new proposed construction. In accordance with City of Yorba Linda Ordinance 2013-986 Development of Properties with Active or Abandoned Oil Wells; show a dimensioned location of any active or abandon oil wells, and indicate if the property is in a methane gas area as designated by the Geologic Energy Management Division (CalGem) online Well Finder, indicate if the property is in a methane gas area as designated OCFA and Geologic Energy Management Division (CalGem), show a dimensioned location of any active or abandon septic tanks and seepage pits and any other site related information. The Building Official is authorized to waive or modify the requirement for a site plan when the application for permit is for an alteration or repair or when otherwise warranted.
Section R107.1 General is hereby amended by revising the number of days in the second sentence from "180 days" to "30 days".
Section R108.2 Schedule of permit fees is hereby amended to read as follows:
R108.2 Schedule of permit fees. For each permit required by this Article, there shall be charged and paid to the Building Division a fee as established by resolution adopted by the City Council, and at the rate provided for each classification shown therein.
Section R108.5 Refunds is hereby amended to read as follows:
R108.5 Refunds. The Building Official may authorize refunding of a fee paid hereunder which was erroneously paid or collected.
The Building Official may authorize refunding of not more than 80 percent of the permit fee paid when no work has been done under a permit issued in accordance with this code.
The Building Official may authorize refunding of not more than 80 percent of the plan review fee paid when an application for a permit for which a plan review fee has been paid is withdrawn or canceled before any examination time has been expended.
The Building Official shall not authorize the refunding of any fee paid except upon written application filed by the original permittee not later than 180 days after the date of fee payment.
Section R108.6 Work commencing before permit issuance is hereby amended to read as follows:
R108.6 Work commencing before permit issuance.
R108.6.1 Investigation. Whenever any work for which a permit is required by this code has been commenced without first obtaining said permit, a special investigation shall be conducted by the Building Official, or their approved designee. Prior to the special investigation, all concealed structural and non-structural items shall be exposed to allow an accurate assessment of the unpermitted construction. The items to be exposed shall include, but not limited to the foundation, framing, electrical, plumbing and mechanical.
R108.6.2 Fee. An investigation fee, in addition to the permit, shall be collected whether or not a permit is then or subsequently issued. The investigation fee shall be equal to the amount of the permit fee that would be required by this code if a permit were to be issued. The payment of such investigation fee shall not exempt any person from compliance with all other provisions of this code or from any penalty prescribed by law.
R108.6.3 Emergency Work. The investigation fee shall not apply to emergency work when it shall be demonstrated to the satisfaction of the Administrative Authority that such work was urgently necessary and that it was not practical to obtain a permit therefore before commencement of the work. In all such cases, a permit must be obtained as soon as it is practical to do so, and if there be an unreasonable delay in obtaining such permit, an investigation fee as herein provided shall be charged.
Section R109.5 Reinspections is hereby added to read as follows:
R109.5 Reinspections. The Authority Having Jurisdiction shall have the authority to assess a reinspection fee for each inspection or reinspection when such portion of work for which inspection is requested is not complete or when required corrections have not been made. Reinspection fees may also be assessed when the approved plans are not readily available to the inspector, or failure to provide access on the date for which inspection is requested or for deviating from plans requiring the approval of the Building Official or requesting a reinspection of the same item three or more times.
This provision is not to be interpreted as requiring reinspection fees the first time a job is rejected for failure to comply with the requirements of this code, but as controlling the practice of calling for inspections before the job is ready for inspection or reinspection.
To obtain reinspection, the applicant shall file an application therefore in writing upon a form furnished for that purpose and pay the reinspection fee established by resolution adopted by the City Council.
In instances where reinspection fees have been assessed, no additional inspection of the work will be performed until the required fees have been paid.
Section R109.6 Extra Inspections is hereby added to read as follows:
R109.6 Extra inspections. When extra inspections are necessary by reason of deficient or defective work, repeated partial inspection requests or otherwise through fault or error on the part of the holder of the permit or on the part of his employees, only one such extra inspection shall be made under the regular fees as herein prescribed; and the holder of the permit shall be entirely responsible for each and every subsequent extra visit or inspection. A reinspection fee shall be paid for every subsequent extra visit or inspection.
Section R109.7 Successful inspection is hereby added to read as follows:
R109.7 Successful inspection. An inspection performed by the Building Official or designee resulting in an approval, partial approval, a correction or other progressive action demonstrating a good faith effort working towards the completion of the project or a portion thereof. Miscellaneous, progress inspections, construction site maintenance conditions, unpermitted work, and other non-construction inspections are not successful inspections.
Section R109.8 Exterior walls and roofs is hereby added to read as follows:
R109.8 Exterior walls and roofs. Exterior walls and roofs of buildings shall be covered with finished materials, in accordance with City-approved plans and the Building Code within six months from the commencement of construction, or six months after the foundation is approved by the city inspector, for ground-up construction. A written waiver of this requirement may be obtained from the Building Official and Planning Manager if the construction is screened from view of adjacent occupied or public property with fencing materials that comply with building regulations and are approved by the Planning Division.
Buildings shall be completely weather-tight at the time of framing, plumbing, electrical, mechanical inspection ("roughs/MEPS").
Section R109.9 Maintenance of property during construction is hereby added to read as follows:
R109.9 Maintenance of property during construction. During construction, all property shall be maintained in a reasonably clean and well-kept manner. All lumber and building materials shall be neatly piled or stacked in a safe manner and stored in the rear yard of the residential property or inside the building construction perimeter. A waiver of this requirement may be obtained from the Building Official and Planning manager if the construction is screened from view from adjacent occupied or public property with fencing materials that comply with building regulations and are approved by the Planning Division.
Section R111.1 Change in use is hereby amended to read as follows:
R111.1 Change in use. Changes in the character or use of an existing structure shall not be made except as specified in Chapter 11 of the California Fire Code and Section 506 of the California Existing Building Code.
Section R115 Safety assessment placards is hereby amended to read as follows:
R115 Safety assessment placards.
Intent. This section established standard placards to be used to indicate the condition of a structure for continued occupancy. The section further authorizes the Building Official and his or her authorized representatives to post the appropriate placard at each entry point to a building or structure upon completion of a safety assessment.
Application of Provisions. The provisions of this section are applicable to all buildings and structures of all occupancies regulated by the city of Yorba Linda.
Definitions. "Safety assessment" means a visual, nondestructive examination of a building or structure for the purpose of determining the condition for continued occupancy.
Placards. The following are verbal descriptions of the official placards to be used to designate the condition for continued occupancy of buildings or structures.
| 1. | "INSPECTED — Lawful Occupancy Permitted" is to be posted on any building or structure wherein no apparent structural hazard has been found. This placard is not intended to mean that there is no damage to the building or structure. |
|---|---|
| 2. | "RESTRICTED USE" is to be posted on each building or structure that has been damaged wherein the damage has resulted in some form of restriction to the continued occupancy. The individual who posts this placard will note in general terms the type of damage encountered and will clearly and concisely note the restrictions on continued occupancy. |
| 3. | "UNSAFE — Do Not Enter or Occupy" is to be posted on each building or structure that has been damaged such that continued occupancy poses a threat to life safety. Buildings or structures posted with this placard shall not be entered under any circumstance except as authorized in writing by the Building Official, or his or her authorized representative. Safety assessment teams shall be authorized to enter these buildings at any time. This placard is not to be used or considered as a demolition order. The individual who posts this placard will note in general terms the type of damage encountered. |
The ordinance number, the name of the jurisdiction, its address, and phone number shall be permanently affixed to each placard.
Once it has been attached to a building or structure, a placard is not to be removed, altered or covered until done so by an authorized representative of the Building Official. It is unlawful for any person, firm or corporation to alter, remove, cover or deface a placard unless authorized pursuant to this section.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.030. Chapter 2 Definitions—Amendments.¶
Section R202 Definitions is hereby revised by adding "OCFA" and "Spark Arrester" as follows:
Bedroom.
A room, space, or area used for sleeping. A bedroom shall be determined by having a privacy door, an emergency escape and rescue opening, smoke alarms, a closet, minimum ceiling height and floor areas, and design typically found for bedrooms. Indicating the room on building plans as other designated uses does not permit the elimination of life safety measures the code established for sleeping areas.
OCFA.
Orange County Fire Authority, fire authority having jurisdiction.
Spark Arrester.
A listed device constructed of noncombustible material specifically for the purpose of meeting one of the following conditions:
Removing and retaining carbon and other flammable particles/debris from the exhaust flow of an internal combustion engine in accordance with California Vehicle Code Section 38366.
Fireplaces that burn solid fuel in accordance with California Building Code Chapter 28.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.040. Chapter 3 Building Planning—Amendments.¶
Table R301.2(1) Climatic and Geographic Design Criteria is hereby amended to read as follows:
TABLE R301.2(1) CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA
| Ground Snow Load e | Wind Design | Wind Design | Wind Design | Wind Design | Seismic Design Category f | Subject to Damage From | Subject to Damage From | Subject to Damage From | Ice Breaker Underlayment Required h | Flood Hazards g | Air freezing Index i | Mean Annual Temp j |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ground Snow Load e | Speed d (mph) | Topographic Effects k | Special Wind Region l | Windborne Debris Zone m | Seismic Design Category f | Weathering a | Frost Line Depth b | Termite c | Ice Breaker Underlayment Required h | Flood Hazards g | Air freezing Index i | Mean Annual Temp j |
| Zero | 110 mph Vest Min Exp. C(*) | No | No | No | D2 or E | Negligible | None | Very Heavy | No | See Engineering/ |
0 | 60° |
MANUAL J DESIGN CRITERIA n
| Elevation | Altitude correction factor e | Coincident wet bulb | Indoor winter design dry-bulb temperature | Altitude correction factor | Indoor design temperature | Design temperature cooling | Heating temperature difference |
|---|---|---|---|---|---|---|---|
| 350 feet | 37 | 92 | |||||
| Latitude | Daily Range | Indoor summer relative humidity | bulb | Daily range | Winter humidity | Summer humidity | |
| 33.885°N | 70 | 31 |
Notes: For SI: 1 pound per square foot = 0.0479 kPa, 1 mile per hour = 0.447 m/s.
| a. | Where weathering requires a higher strength concrete or grade of masonry than necessary to satisfy the structural requirements of this code, the frost line depth strength required for weathering shall govern. The weathering column shall be filled in with the weathering index, "negligible," "moderate" or "severe" for concrete as determined from Figure R301.2(1). The grade of masonry units shall be determined from ASTM C34, C55, C62, C73, C90, C129, C145, C216 or C652. |
|---|---|
| b. | Where the frost line depth requires deeper footings than indicated in Figure R403.1(l), the frost line depth strength required for weathering shall govern. The jurisdiction shall fill in the frost line depth column with the minimum depth of footing below finish grade. |
| c. | The jurisdiction shall fill in this part of the table to indicate the need for protection depending on whether there has been a history of local subterranean termite damage. |
| d. | The jurisdiction shall fill in this part of the table with the wind speed from the basic wind speed map [Figure R301.2(2). Wind exposure category shall be determined on a site-specific basis in accordance with Section R301.2.1.4. (*) Approximately equivalent to 85 mph Vest (3-second gust), minimum shall be exposure C. See Table R301.2.1.3 for conversion. |
| e. | The jurisdiction shall fill in this section of the table to establish the design criteria using Table 10A from ACCA Manual J or established criteria determined by the jurisdiction. |
| f. | The jurisdiction shall fill in this part of the table with the seismic design category determined from Section R301.2.2.1. |
| g. | The jurisdiction shall fill in this part of the table with: the date of the jurisdiction's entry into the National Flood Insurance Program (date of adoption of the first code or ordinance for management of flood hazard areas); and the title and date of the currently effective Flood Insurance Study or other flood hazard study and maps adopted by the authority having jurisdiction, as amended. |
| h. | In accordance with Sections R905.1.2, R905.4.3.1, R905.5.3.1, R905.6.3.1, R905.7.3.1 and R905.8.3.1, where there has been a history of local damage from the effects of ice damming, the jurisdiction shall fill in this part of the table with "YES." Otherwise, the jurisdiction shall fill in this part of the table with "NO." |
| i. | The jurisdiction shall fill in this part of the table with the 100-year return period air freezing index (BF-days) from Figure R403.3(2) or from the 100-year (99 percent) value on the National Climatic Data Center data table "Air Freezing Index-USA Method (Base 32°F)." |
| j. | The jurisdiction shall fill in this part of the table with the mean annual temperature from the National Climatic Data Center data table "Air Freezing Index-USA Method (Base 32°F)." |
| k. | In accordance with Section R301.2.1.5, where there is local historical data documenting structural damage to buildings due to topographic wind speed-up effects, the jurisdiction shall fill in this part of the table with "YES." Otherwise, the jurisdiction shall indicate "NO" in this part of the table. |
| l. | In accordance with Figure R301.2(2), where there is local historical data documenting unusual wind conditions, the jurisdiction shall fill in this part of the table with "YES" and identify any specific requirements. Otherwise, the jurisdiction shall indicate "NO" in this part of the table. |
| m. | In accordance with Section R301.2.1.2 the jurisdiction shall indicate the wind-borne debris wind zone(s). Otherwise, the jurisdiction shall indicate "NO" in this part of the table. |
| n. | The jurisdiction shall fill in these sections of the table to establish the design criteria using Table la or lb from ACCA Manual J or established criteria determined by the jurisdiction. |
| o. | The jurisdiction shall fill in this section of the table using the Ground Snow Loads in Figure R301.2(6) and R301.2(4). |
Section R301.9 Fuel modification requirements for new construction is hereby added as follows:
R301.9 Fuel modification requirements for new construction. All new structures and facilities adjoining land containing hazardous combustible vegetation shall be approved and in accordance with the requirements of OCFA Guideline C-05 "Vegetation Management Guideline — Technical Design for New Construction Fuel Modification Plans and Maintenance Program."
Section R309.1 Townhouse automatic fire sprinkler systems is hereby amended by modifying the exception as follows:
Exception: An automatic sprinkler system shall not be required when additions or alterations are made to existing townhouses that do not have an automatic sprinkler system installed unless an automatic sprinkler system is required in accordance with California Fire Code Section 903.2.8.
Section R309.2 One- and two-family dwellings automatic sprinkler systems is hereby amended by modifying the exception as follows:
Exception: An automatic residential sprinkler system shall not be required for additions or alterations to existing buildings that are not already provided with an automatic sprinkler system unless a sprinkler system is required in accordance with California Fire Code, Section 903.2.8.
Section R309.3.6.2.2 Calculation procedure is hereby revised to read as follows:
Section R309.3.6.2.2 Calculation procedure. Determination of the required size for water distribution piping shall be in accordance with the following procedure and California Fire Code Section 903.3.5.
(The remainder of the section is unchanged)
Section R317.5.1 Fire sprinkler attached garages, and carports with habitable space above is hereby amended by modifying the exception to read as follows:
Exception: An automatic residential fire sprinkler system shall not be required when additions or alterations are made to existing carports and/or garages that do not have an automatic residential fire sprinkler system installed unless a residential sprinkler system is required in accordance with California Fire Code Section 903.2.8.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.050. Chapter 9 Roof Assemblies—Amendments.¶
Section R902.1 Roof covering materials is hereby amended to read as follows:
R902.1 Roof covering materials. Roofs shall be covered with materials as set forth in Sections R904 and R905. A minimum Class A roofing shall be installed in areas designated by this section. Class A roofing required by this section to be listed shall be tested in accordance with ASTM E108 or UL 790.
Exception: Metal encapsulated insulated panel roof panels with a minimum of 1/32" (.030) to 5/64" (.080) exterior skin encapsulating insulation material being installed in Non-Fire Hazard Severity Zone, or in a Wildland-Urban Interface Fire Area. The insulating material shall have a minimum ASTM E84 flame spread index of 25 or less, and a smoke-developed index of 450 or less. Encapsulation material shall have no airgaps, or open spaces and a minimum of a Class B rating when tested in accordance with ASTM E108, or ASTM 790. Covers or enclosures shall not be installed over a combustible surface, or combustible material.
Section R902.1.2 Roof coverings in all other areas is hereby amended to read as follows:
R902.1.3 Roof coverings within all other areas. The entire roof covering of every existing structure where more than 50 percent of the total roof area is replaced within any one-year period, the entire roof covering of every new structure, and any roof covering applied in the alteration, repair or replacement of the roof of every existing structure, shall be a fire-retardant roof covering that is at least Class A.
All new roof covering installations located within a Fire Hazard Severity Zone, Wildland-Urban Interface Fire Area, or Fuel Modification Zone, shall install new gable end vents, underside eave, dormer style vents and cornice vents per Section 504 of the California Wildland-Urban Interface Code. Retrofit vents shall be reviewed and approved prior to installation.
Where the roofing profile has an "air-space" under the roof covering, the underlayment shall comply with Section 504.2.1.1 of the California Wildland-Urban Interface Code.
Section R902.2 Fire-retardant-treated shingles and shakes is hereby amended to revise the first paragraph to read as follows:
Section R902.2 Fire-retardant-treated shingles and shakes. Fire-retardant-treated wood shakes and shingles are wood shakes and shingles complying with UBC Standard 15-3 or 15-4 which are impregnated by the full-cell vacuum-pressure process with fire-retardant chemicals, and which have been qualified by UBC Standard 15-2 for use on Class A roofs.
Section R908.3 Roof replacement is hereby amended to read only as follows:
R908.3 Recovering versus replacement. New roof coverings shall not be installed without first removing all existing layers of roof coverings and assembly materials down to the deck.
All newly installed roof coverings in a Fire Hazard Severity Zone, Wildland-Urban Interface Fire Area, or Fuel Modification Zone shall require new roof vents throughout and if applicable, all underside eave and cornice vents per Section 504.2 of the California Wildland-Urban Interface Code. Retrofit vents shall be reviewed and approved prior to installation.
Where the roofing profile has an "air-space" under the roof covering, the underlayment shall comply with Section 504.2.1.1.
Section R908.4 Roof recovering is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.060. Chapter 10 Chimneys and Fireplaces—Amendments.¶
Section R1001.14 Outdoor Fireplaces, Fire Pits, Fire Rings, or Similar Devices is hereby added as follows:
R1001.14 Wood Burning Indoor, or Outdoor Fireplaces, Fire Pits, Fire Rings, or Similar Devices. Outdoor fireplaces, fire pits, fire rings, or similar exterior wood burning devices are prohibited per SCAQMD Rule 445.
Exception: Barbeques, grills, and other portable devices intended solely for cooking.
Section R1001.14.1 Gas-fueled devices is hereby added as follows:
R1001.14.1 Gas-fueled devices. Outdoor fireplaces, fire pits and similar devices fueled by natural gas or liquefied-petroleum gas are allowed when approved by the Building Division and the device is designed to only burn a gas flame and not wood or other solid fuel. At R-3 occupancies, combustible construction shall not be located within three feet of an atmospheric column that extends vertically from the perimeter of the device. Where a permanent Building Division approved hood and vent is installed, combustible construction may encroach upon this column between the bottom of the hood and the vent opening. Where chimneys or vents are installed, they shall have a spark arrester in accordance with Section R1003.9.2.
Section R1001.14.2 Devices using wood, wood alternatives or fuels other than natural gas or liquefied-petroleum gas is hereby added as follows:
R1001.14.2 Where prohibited. The burning of wood and other solid fuels shall not be conducted within a Fuel Modification Zone. Wood and other solid fuel burning fires in devices other than permanent fireplaces are not allowed within an adopted Fire Hazard Severity Zone or a Wildland-Urban Interface Fire Area or in locations where conditions could cause the spread of fire to these locations, or a Fuel Modification Zone unless, determined by the Fire Code Official that the location or design of the device should reasonably prevent the start of a wildfire.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.070. Chapter 44 Referenced Standards—Amendments.¶
NFPA 13, 2025 Edition, Standard for the Installation of Sprinkler Systems is hereby amended as follows:
Section 6.7.3 is hereby revised to read as follows:
6.7.3. Fire department connections (FDC) shall be of an approved type. The location shall be approved and be no more than 150 feet from a public hydrant. The FDC may be located within 150 feet of a private fire hydrant when approved by the fire code official. The size of piping and the number of 2 1/2" inlets shall be approved by the fire code official. If acceptable to the water authority, it may be installed on the backflow assembly. Fire department inlet connections shall be painted OSHA safety red or as approved. When the fire sprinkler density design requires more than 500 gpm (including inside hose stream demand), or a standpipe system is included, four 2 1/2" inlets shall be provided.
Section 8.3.3.1. is hereby revised to read as follows:
8.3.3.1. When fire sprinkler systems are installed in shell buildings of undetermined use (Spec Buildings) other than warehouses (S occupancies), fire sprinklers of the quick-response type shall be used. Use is considered undetermined if a specific tenant/occupant is not identified at the time the fire sprinkler plan is submitted. Sprinklers in light hazard occupancies shall be one of the following:
| 1. | Quick-response type as defined in Section 3.6.4.8. |
|---|---|
| 2. | Residential sprinklers in accordance with the requirements of Section 8.4.5. |
| 3. | Quick response CMSA sprinklers. |
| 4. | ESFR sprinklers. |
| 5. | Standard-response sprinklers used for modifications or additions to existing light hazard systems equipped with standard-response sprinklers. |
| 6. | Standard-response sprinklers used where individual standard-response sprinklers are replaced in existing light hazard systems. |
Section 8.15.1.2.7 is hereby revised as follows:
8.15.1.2.7. Concealed spaces filled with noncombustible insulation shall not require sprinkler protection when approved by the fire code official.
NFPA 13D 2025 Edition, Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes is hereby amended as follows:
Section 7.1.2 is hereby revised to read as follows:
7.1.2. The sprinkler system piping shall not have separate control valves installed unless supervised by a central station, proprietary, or remote station alarm service.
NFPA 24, 2025 Edition, Standard for the Installation of Private Fire Service Mains and Their Appurtenances is hereby amended as follows:
Section 6.2.8.1 is hereby added as follows:
6.2.8.1. All indicating valves controlling fire suppression water supplies shall be painted OSHA red.
Exceptions:
| 1. | Brass or bronze valves on sprinkler risers mounted to the exterior of the building may be left unpainted. |
|---|---|
| 2. | Where OS&Y valves on the detector check assembly are the only control valves, at least one OS&Y valve shall be painted red. |
Section 6.2.9 is hereby revised to read as follows:
All connections to private fire service mains for fire protection systems shall be arranged in accordance with one of the following so that they can be isolated:
| 1. | A post indicator valve installed not less than 40 ft (12 m) from the building. | A post indicator valve installed not less than 40 ft (12 m) from the building. |
|---|---|---|
| a. | For buildings less than 40 ft (12 m) in height, a post indicator valve shall be permitted to be installed closer than 40 ft (12 m) but at least as far from the building as the height of the wall facing the post indicator valve. | |
| 2. | A wall post indicator valve. | A wall post indicator valve. |
| 3. | An indicating valve in a pit, installed in accordance with Section 6.4. | An indicating valve in a pit, installed in accordance with Section 6.4. |
| 4. | A backflow preventer with at least one indicating valve not less than 40 ft (12m) from the building. | A backflow preventer with at least one indicating valve not less than 40 ft (12m) from the building. |
| a. | For buildings less than 40 ft (12 m) in height, a backflow preventer with at least one indicating valve shall be permitted to be installed closer than 40 ft (12 m) but at least as far from the building as the height of the wall facing the backflow preventer. | |
| 5. | Control valves installed in a fire-rated room accessible from the exterior. | Control valves installed in a fire-rated room accessible from the exterior. |
| 6. | Control valves in a fire-rated stair enclosure accessible from the exterior. | Control valves in a fire-rated stair enclosure accessible from the exterior. |
Section 10.1.5 is hereby added as follows:
10.1.5. All ferrous pipe and joints shall be polyethylene encased per AWWA C150, Method A, B, or C. All fittings shall be protected with a loose 8-mil polyethylene tube or sheet. The ends of the tube or sheet shall extend past the joint by a minimum of 12 inches and be sealed with 2 inch wide tape approved for underground use. Galvanizing does not meet the requirements of this section.
Exception: 304 or 316 stainless steel pipe and fittings.
Section 10.4.1.1 is hereby revised to read as follows:
10.4.1.1. All bolted joint accessories shall be cleaned and thoroughly coated with asphalt or other corrosion-retarding material after installation.
Exception: Bolted joint accessories made from 304 or 316 stainless steel.
Section 10.4.1.1.1 is hereby added as follows:
10.4.1.1.1. All bolts used in pipe-joint assembly shall be 316 stainless steel.
Section 10.4.3.2 is hereby revised to read as follows:
10.4.3.2. Where fire service mains enter the building adjacent to the foundation, the pipe may run under a building to a maximum of 24 inches, as measured from the interior face of the exterior wall to the center of the vertical pipe. The pipe under the building or building foundation shall be 304 or 316 stainless steel and shall not contain mechanical joints or it shall comply with Sections 10.4.3.2.1 through 10.4.3.2.4.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.080. Appendix AA Board of Appeals—Adopted.¶
Appendix AA Board of Appeals is hereby adopted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.090. Appendix AB Permit Fees—Deleted.¶
Appendix AB Permit Fees is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.100. Appendix AC Reserved—Deleted.¶
Appendix AC Reserved is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.110. Appendix BA Reserved—Deleted.¶
Appendix BA Reserved is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.120. Appendix BB Tiny Houses—Deleted.¶
Appendix BB Tiny Houses is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.130. Appendix BC Reserved—Deleted.¶
Appendix BC Reserved is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.140. Appendix BD Reserved—Deleted.¶
Appendix BD Reserved is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.150. Appendix BE Radon Control Methods—Deleted.¶
Appendix BE Radon Control Methods is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.160. Appendix BF Patio Covers—Adopted.¶
Appendix BF Patio Covers is hereby adopted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.170. Appendix BG Sound Transmission—Adopted.¶
Appendix BG Sound Transmission is hereby adopted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.180. Appendix BH Automatic Vehicular Gates—Adopted.¶
Appendix BH Automatic Vehicular Gates is hereby adopted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.190. Appendix BI Light Straw-Clay Construction—Deleted.¶
Appendix BI Light Straw-Clay Construction is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.200. Appendix BJ Strawbale Construction—Deleted.¶
Appendix BJ Strawbale Construction is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.210. Appendix BK Cob Construction (Monolithic Adobe)—Deleted.¶
Appendix BK Cob Construction (Monolithic Adobe) is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.220. Appendix BL Hemp-Lime (Hempcrete) Construction—Deleted.¶
Appendix BL Hemp-Lime (Hempcrete) Construction is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.230. Appendix BM 3D-Printed Building Construction—Deleted.¶
Appendix BM 3D-Printed Building Construction is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.240. Appendix BN Extended Plate Wall Construction-—Deleted.¶
Appendix BN Extended Plate Wall Construction- is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.250. Appendix BO Existing Buildings and Structures—Deleted.¶
Appendix BO Existing Buildings and Structures is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.260. Appendix CA Reserved—Deleted.¶
Appendix CA Reserved is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.270. Appendix CB Reserved—Deleted.¶
Appendix CB Reserved is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.280. Appendix CC Reserved—Deleted.¶
Appendix CC Reserved is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.290. Appendix CD Reserved—Deleted.¶
Appendix CD Reserved is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.300. Appendix CE Reserved—Deleted.¶
Appendix CE Reserved is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.310. Appendix CF Reserved—Deleted.¶
Appendix CF Reserved is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.320. Appendix CG Non-Sewered Sanitation Systems—Deleted.¶
Appendix CG Non-Sewered Sanitation Systems is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.330. Appendix CH Private Sewage Disposal—Deleted.¶
Appendix CH Private Sewage Disposal is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.340. Appendix CI Swimming Pool Safety Act—Adopted.¶
Appendix CI Swimming Pool Safety Act is hereby adopted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.350. Appendix CJ Emergency Housing—Adoted.¶
Appendix CJ Emergency Housing is hereby adopted in its entirety.
(Ord. 2025-1119, 10/21/2025)
§ 15.05.360. Appendix CK Areas Protected by the Facilities of the Central Valley Flood…¶
Appendix CK Areas Protected by the Facilities of the Central Valley Flood Protection Plan is hereby deleted in its entirety.
(Ord. 2025-1119, 10/21/2025)
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