Article VIII — BUILDING REGULATIONS›Chapter 1 — BUILDING CODE
Part 3 — ADDITIONS, DELETIONS AND AMENDMENTS
Arcadia Municipal Code · 2026-09 edition · updated 2026-10-02 · Arcadia
Sections in this part
Editor's note— Ord. No. 2366, § 3, adopted 12-17-19, amended Part 3 in its entirety to read as herein set out. The former Part 3, §§ 8130—8130.29, pertained to similar subject matter and derived from Ord. No. 2342, adopted 12-6-16.
- AMENDMENTS, ADDITIONS AND DELETIONS.
The 2025 California Building Code is amended to read as follows:
(Ord. No. 2366, § 3, 12-17-19; Ord. No. 2394, § 3, 11-15-22; Ord. No. 2408, § 3, 11-18-25)
8130.1. - ADDITION [ADMINISTRATIVE].¶
Chapter 1, Section [A] 116.6 is added to Volume 1, Chapter 1 of said 2025 California Building Code to read as follows:
[A]
116.6. Attractive Nuisance. Attractive nuisances (those objects which, by their nature, may attract children or other curious individuals) including, but not limited to, unprotected and hazardous ponds, pools or excavations and buildings or structures undergoing demolition, repair, rehabilitation or construction shall be fenced or otherwise secured when required by the Building Official.
(Ord. No. 2366, § 3, 12-17-19; Ord. No. 2394, § 3, 11-15-22; Ord. No. 2408, § 3, 11-18-25)
8130.2. - AMENDMENT [ADMINISTRATIVE].¶
Chapter 1, Section [A] 113.1 in Chapter 1, Volume 1 of the 2025 California Building Code is amended to read as follows:
[A]
113.1. General. In order to hear and decide appeals of orders, decisions or determinations made by the Building Official or the Fire Chief relative to the application and interpretation of the City's Building and Fire codes, the Planning Commission shall act as the Arcadia Building and Fire Code Board of Appeals. The Planning Commission shall not consider an appeal until the Building Official or the Fire Chief has rendered a decision in writing. An appeal shall be filed with the City within 30 days from the date of his or her written decision; in addition, an appeals fee shall be paid to the City in an amount established by City Council Resolution. The appeal shall be in writing and shall clearly set forth the order, decision or determination being appealed. A hearing shall be scheduled before the Planning Commission as soon as practicable from the date of receipt of the appeal. The Building Official or the Fire Chief, as applicable, shall prepare a written report for the Planning Commission. The decision of the Planning Commission shall be final unless appealed to the City Council. The appeal to the City Council shall be in writing and shall be filed with the City within five (5) working days from the date of the Planning Commission's decision; in addition, an appeals fee shall be paid to the City in an amount established by City Council Resolution. A hearing shall be scheduled before the City Council as soon as practicable from the date of the receipt of the written appeal. The Building Official or the Fire Chief, as applicable, shall prepare a written report for the City Council. The decision of the City Council shall be final.
(Ord. No. 2366, § 3, 12-17-19; Ord. No. 2394, § 3, 11-15-22; Ord. No. 2408, § 3, 11-18-25)
8130.3. - AMENDMENT [ADMINISTRATIVE].¶
Chapter 1, Section [A] 105.2, Building, item number 1 of the 2025 California Building Code is amended to read as follows:
One-story detached accessory buildings used as tool and storage sheds, playhouses and similar uses, provided the floor area does not exceed 120 square feet and the highest point of the roof does not exceed 8 feet, 6 inches above adjacent grade.
(Ord. No. 2366, § 3, 12-17-19; Ord. No. 2394, § 3, 11-15-22; Ord. No. 2408, § 3, 11-18-25)
8130.4. - AMENDMENT [ADMINISTRATIVE].¶
Chapter 1, Section [A] 109.2 in Chapter 1 of the 2025 California Building Code is amended to read as follows:
[A]
109.2 General. Fees shall be assessed in accordance with the fee schedule set forth by resolution of the City Council.
(Ord. No. 2366, § 3, 12-17-19; Ord. No. 2394, § 3, 11-15-22; Ord. No. 2408, § 3, 11-18-25)
8130.6. - AMENDMENT.¶
Section 903.2 of the 2025 California Building Code is amended to read as follows due to local climatic, geographical, and topographical conditions:
903.2 Where required. Approved automatic extinguishing systems shall be installed:
In all new buildings regardless of the type of construction or occupancy.
EXCEPTIONS:
A)
Detached private garages, providing the floor area does not exceed 1000 square feet.
B)
Pool houses, recreation rooms, workshops, and similar accessory R-3 occupancies providing no portion of the exterior wall of the building is more than 150 feet from a public street.
C)
Other minor buildings and/or occupancies as approved by the Fire Chief.
In existing buildings with new occupancies as required by other sections of the Fire Code.
(Ord. No. 2366, § 3, 12-17-19; Ord. No. 2394, § 3, 11-15-22; Ord. No. 2408, § 3, 11-18-25)
8130.7. - AMENDMENT.¶
Section 903.2.18 of the 2025 California Building Code is amended to read as follows due to local climatic, geographical, and topographical conditions:
903.2.18 Group U private garages and carports accessory to Group R-3 occupancies. Carports with habitable space above, detached private garages over 1000 square feet in area, and attached private garages shall be protected by fire sprinklers in accordance with this section. These areas shall have a design density of an Ordinary Hazard Group 1 occupancy with a design area of two (2) heads. Quick- response intermediate temperature commercial type heads shall be used.
(Ord. No. 2366, § 3, 12-17-19; Ord. No. 2394, § 3, 11-15-22; Ord. No. 2408, § 3, 11-18-25)
8130.8. - [RESERVED].¶
8130.9. - AMENDMENT.¶
Section 903.3.1.2 of the 2025 California Building Code is amended to read as follows due to local climatic, geographical, and topographical conditions:
903.3.1.2. NFPA 13R SPRINKLER SYSTEMS. Where allowed in buildings of Group R, up to and including buildings four stories in height, automatic sprinkler systems shall be installed throughout in accordance with NFPA 13R with the following additions:
A)
Attics shall be fully sprinklered with quick-response intermediate temperature heads.
B)
Private garages shall be sprinklered and shall have a design density of an Ordinary Hazard Group 1 occupancy with a design area of two (2) heads. Quick-response intermediate temperature commercial type heads shall be used for the garage area.
(Ord. No. 2366, § 3, 12-17-19; Ord. No. 2394, § 3, 11-15-22; Ord. No. 2408, § 3, 11-18-25)
8130.11. - AMENDMENT.¶
Section 903.4.3 of the 2025 California Building Code is amended to read as follows due to local topographical conditions:
903.4.3. ALARMS. An approved audible and visual sprinkler waterflow alarm device shall be connected to every automatic sprinkler system. Such sprinkler water-flow alarm devices shall be activated by water flow equivalent to the flow of a single sprinkler of the smallest orifice size installed in the system. Alarm devices shall be provided on the exterior of the building in an approved location. Where a waterflow switch is required by Section 903.4.1 to be electrically supervised, such a sprinkler waterflow alarm devices shall be powered by a fire alarm control unit or, where provided, a fire alarm system. Where a fire alarm system is installed, actuation of the automatic fire sprinkler system shall actuate the building fire alarm system. Approved audible notification appliances shall be provided in the interior of the building at locations required by the Fire Chief.
EXCEPTION: NFPA 13D systems serving R-3 occupancies shall be provided with a single exterior bell.
(Ord. No. 2366, § 3, 12-17-19; Ord. No. 2394, § 3, 11-15-22; Ord. No. 2408, § 3, 11-18-25)
8130.12. - AMENDMENT.¶
Volume 1, Chapter 12, Section 1206.2 of the 2025 California Building Code is amended to read as follows due to local geographical conditions:
1206.2. Air-borne Sound. Walls, partitions and floor-ceiling assemblies separating dwelling units and sleeping units from each other or from public or service area within the structure shall have an impact insulation class rating of not less than 58 where tested in accordance with ASTM E492, or have a Normalized Impact Sound Rating ("NISR") of not less than 53 if field tested in accordance with ASTM E1007. Alternatively, the impact insulation class of floor-ceiling assemblies shall be established by engineering analysis based on a comparison of floor-ceiling assemblies having impact insulation class ratings as determined by the test procedures in ASTM E492. Engineering analysis shall be performed by a registered design professional. Penetrations or openings in construction assemblies for piping; electrical devices; recessed cabinets; bathtubs; soffits; or heating, ventilating or exhaust ducts shall be sealed, lined, insulated or otherwise treated to maintain the required ratings. This requirement shall not apply to entrance doors; however, such doors shall be tight fitting to the frame and sill.
EXCEPTION: Group R-1 hotel and motel occupancies shall be permitted to meet a minimum sound transmission class ("STC") of 52, a noise isolation class ("NIC") of 47, or a normalized noise isolation class ("NNIC") of 47, as applicable.
(Ord. No. 2366, § 3, 12-17-19; Ord. No. 2394, § 3, 11-15-22; Ord. No. 2408, § 3, 11-18-25)
8130.13 - AMENDMENT.¶
Volume 1, Chapter 12, Section 1206.3 of the 2025 California Building Code is amended to read as follows due to local geographical conditions:
1206.3. Structure-borne sound. Floor-ceiling assemblies between dwelling units and sleeping units or between a dwelling unit or sleeping unit and a public or service area within the structure shall have an impact insulation class rating of not less than 58 where tested in accordance with ASTM E492, or have a Normalized Impact Sound Rating (NISR) of not less than 53 if field tested in accordance with ASTM E1007. Alternatively, the impact insulation class of floor-ceiling assemblies shall be established by engineering analysis based on a comparison of floor-ceiling assemblies having impact insulation class ratings as determined by the test procedures in ASTM E492. Engineering analysis shall be performed by a registered design professional.
EXCEPTION:
(A).
Impact sound insulation is not required for floor-ceiling assemblies over non-habitable rooms or spaces not designed to be occupied such as garages, mechanical rooms or storage areas.
(B).
Group R-1 hotel and motel occupancies shall be permitted to meet a minimum impact insulation class ("IIC") rating of 52 or a field impact insulation class ("FIIC") rating of 47, as applicable. Floor coverings may be included in the assembly to obtain the required ratings. These coverings must be retained as a permanent part of the assembly and may only be replaced by other floor coverings that provide the required impact sound insulation.
(Ord. No. 2366, § 3, 12-17-19; Ord. No. 2394, § 3, 11-15-22; Ord. No. 2408, § 3, 11-18-25)
8130.14 - ADDITION.¶
Volume 1, Chapter 15, Section 1505.0 of the 2025 California Building Code is added to read as follows due to climatic and topographical conditions:
1505.0. Fire Classification. The roof covering on any structure regulated by this code shall have a minimum Class A rating in the Wildland Interface Fire Area Boundaries and a class A or B rating in all other areas outside the Wildland Interface Fire Area Boundaries of the City. Pressure treated or untreated wood shakes and wood shingles shall not be installed on any building or structure located in the Wildland Interface Fire Area Boundaries.
(Ord. No. 2366, § 3, 12-17-19; Ord. No. 2394, § 3, 11-15-22; Ord. No. 2408, § 3, 11-18-25)
8130.15. - AMENDMENT.¶
Volume 1, Chapter 15, Section 1505.1.1 of the 2025 California Building Code is amended and Section 1505.1.4 of the 2025 California Building Code is added to read as follows due to climatic and topographical conditions:
1505.1.1. Roof Coverings for Additions within the Wildland Interface Fire Area Boundaries.
The roof covering on any addition made to an existing building or structure located within the Wildland Interface Fire Area Boundaries shall comply with Section 1505.1. The roof covering of an existing building or structure located in said zone shall be made to comply with Section 1505.1 when the cumulative roof area of the addition along with any alteration, replacement, repair or reroof made during the previous 12 months to the existing roof is 25 percent or more of the original roof area.
1505.1.2 Roof Coverings for Additions Outside the Wildland Interface Fire Area Boundaries.
The roof covering requirements for additions made to existing buildings or structures located outside the Wildland Interface Fire Area Boundaries shall comply with the following, as applicable:
25% or Less. The roof covering of an addition made to an existing structure or building may match the existing roof covering on the structure or building being added to providing the cumulative roof area of the addition along with any alteration, replacement, repair, or reroof made during the previous 12 months to the existing roof is 25 percent or less of the original roof area.
Over 25% But Less than 50%. The roof covering of an addition made to an existing structure or building shall comply with Section 1505. The roof covering of the existing structure or building being added to may be left in place providing the cumulative roof area of the addition along with any alteration, replacement, repair or reroof made during the previous 12 months to the existing roof is over 25 percent but less than 50 percent of the original roof area.
50% or More. The roof covering of an addition made to an existing structure or building shall comply with Section 1505. The roof covering of the existing structure or building being added to shall be made to comply with Section 1505 when the cumulative roof area of the addition along with any alteration, replacement, repair, or reroof made during the previous 12 months to the existing roof is 50 percent or more of the original roof area.
(Ord. No. 2366, § 3, 12-17-19; Ord. No. 2394, § 3, 11-15-22; Ord. No. 2408, § 3, 11-18-25)
8130.16. - ADDITION.¶
Section 1511.0 is added to the 2025 California Building Code to read as follows due to local climatic and topographical conditions:
1512.0 REROOFING. All reroofing shall comply with Chapter 15 of this Code, as amended by the City of Arcadia.
(Ord. No. 2366, § 3, 12-17-19; Ord. No. 2394, § 3, 11-15-22; Ord. No. 2408, § 3, 11-18-25)
8130.17. - AMENDMENT.¶
Table 1505.1 in Chapter 15 of Volume 1 of the 2025 California Building Code is amended to read as follows due to local climatic conditions:
TABLE 1505.1 MINIMUM ROOF COVERING CLASSIFICATIONS TYPES OF CONSTRUCTION
| IA | IB | IIA | IIB | IIIA | IIIB | IV | VA | VB |
|---|---|---|---|---|---|---|---|---|
| B | B | B | B | B | B | B | B | B |
(Ord. No. 2366, § 3, 12-17-19; Ord. No. 2394, § 3, 11-15-22; Ord. No. 2408, § 3, 11-18-25)
8130.18. - AMENDMENT.¶
Volume 1, Chapter 15, Section 1512.1 in the 2025 California Building Code is amended to read as follows due to local climatic conditions:
1512.1 General.¶
All reroofing shall conform to the applicable provisions of Chapter 15 of this Code and as
otherwise required in this Chapter.
Roofing materials and methods of application shall comply with the Building Code standards or shall follow manufacturer's installation requirements when approved by the Building Official.
Roof coverings installed on existing buildings or structures shall require the submission of design calculations and plans prepared by an engineer or architect licensed by the State of California when the total installed weight of the finish roof covering material above the wood structural panels and underlayment is equal to or exceeds 6 pound per square foot. The design calculations shall demonstrate that the entire building or structure is adequate to support the vertical forces imposed by the new roofing.
Reroofs in the Wildland Interface Fire Area Boundaries. All reroofing in Wildland Interface Fire Area Boundaries of the City shall comply with Section 1505. The entire roof covering of an existing building or structure located in said zone shall be made to comply with Section 1505 when the cumulative roof area of any addition, alteration, replacement, repair, or reroof made during the previous 12 months to the existing roof is 25 percent or more of the original roof area.
Reroofs in areas outside the Wildland Interface Fire Area Boundaries. All reroofing in areas outside the Wildland Interface Fire Area Boundaries of the City shall comply with the following, as applicable:
25% Or Less. Up to 25 percent of an existing structure or building may be reroofed with a roof covering that matches the existing, providing the cumulative roof area of any addition, alteration, replacement, repair, or reroof made during the previous 12 months to the existing roof does not exceed 25% of the original roof area.
Over 25% But Less Than 50%. The roof covering of the area being reroofed shall comply with Section 1505. The roof covering of the existing structure or building being reroofed may be left in place providing the cumulative roof area of any addition, alteration, replacement, repair or reroof made during the previous 12 months to the existing roof is over 25 percent but less than 50 percent of the original roof area.
50% Or More. An existing building or structure shall be completely reroofed with a roof covering complying with Section 1505 when the cumulative roof area of any addition, alteration, replacement, repair, or reroof made during the previous 12 months to the existing roof is 50 percent or more of the original roof area.
(Ord. No. 2366, § 3, 12-17-19; Ord. No. 2394, § 3, 11-15-22; Ord. No. 2408, § 3, 11-18-25)
8130.19. - AMENDMENT [ADMINISTRATIVE].¶
Section 1010.3.4. of Chapter 10 of the 2025 California Building Code is hereby amended to read as follows:
1010.3.4. Security Grilles. The use of security bars, panels, sliding metal grates, or other similar security devices is prohibited on the exterior of any building openings of all structures in commercial or industrial zones of the City. Subject to obtaining a permit pursuant to California Building Code Section 105.1 and compliance with design review requirements pursuant to Arcadia Municipal Code Sections 9295 et seq. as a prerequisite to the granting of any such permit, security bars, panels, gates, metal grates, or other similar security devices may be installed, in compliance with applicable Building Code requirements, on the interior of a commercial or industrial structure provided that the entire building is equipped with an automatic fire sprinkler system, which has been installed under a permit from the Building Division and inspected pursuant thereto for compliance with the approved plans.
(Ord. No. 2366, § 3, 12-17-19; Ord. No. 2394, § 3, 11-15-22; Ord. No. 2408, § 3, 11-18-25)
8130.20. - ADDITION [ADMINISTRATIVE].¶
Chapter 35A is added to Volume 2 of the 2025 California Building Code due to climatic and geographical conditions.
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