Title 17 — BUILDING AND CONSTRUCTION
Petaluma Municipal Code Ch. 9 Fire Protection and Life Safety Systems
Petaluma Municipal Code · 2026-09 edition · updated 2026-10-04 · Petaluma
Sections in this part
Cite as: Petaluma Municipal Code Chapter 9 · Text as of 2026-10-04
901.6.3.2 is added to read as follows:
901.6.3.2 Records Reporting. Fire detection, alarm, and extinguishing systems shall be maintained in an
operative condition at all times and shall be replaced or repaired where defective. Non-required Zre
protection systems and equipment shall be inspected, tested, and maintained or removed. All inspection,
testing and maintenance reports shall be forwarded to the Fire Department in a manner approved by
the Fire Code O\cial and referenced by the published standards and guidelines.
901.7.6.1 is added to read as follows:
901.7.6.1 Problematic and Unreliable Fire Alarms. The Fire Code O\cial may determine a Zre alarm to
be unreliable upon receipt of three (3) nuisance alarms within a twelve-month period. Upon making such
a Znding, the Fire Code O\cial may order the following:
- For any nuisance alarm where the system is not restored, the system owner must provide Fire Watch
Personnel in accordance with Fire Prevention Bureau Standards and Section 403.11.1 or take such other
measures as the Fire Code O\cial deems appropriate. Such measures shall remain in place until a Zre
department approved Zre alarm maintenance Zrm certiZes in writing to the Fire Code O\cial that the
alarm system has been restored to a reliable condition, and a Fire Code O\cial releases the property
from Fire Watch. The Fire Code O\cial may require such tests as he/she deems necessary to
demonstrate the adequacy of the system.
- Require the owner to pay mitigation fees pursuant to the City of Petaluma fee schedule.
902.1 DeKnitions.
Section 902.1 is amended to add the following:
Substantial Remodel
Section 903.2 is amended to read as follows:
903.2 Where required. Approved automatic sprinkler systems in new buildings and structures shall be
provided in the locations described in Sections 903.2.1 through 903.2.12 and Sections 903.2.14 through
903.2.21. Approved automatic sprinkler systems in existing buildings and structures shall be provided in
locations described in Section 903.6.
Exceptions:
Agricultural buildings as approved by the Fire Code O\cial.
Detached accessory structures to Group R-3 not classiZed as a dwelling unit and not exceeding 1,000
square feet in gross [oor area located at least 50 feet from applicable building.
Detached noncombustible motor vehicle fuel dispensing canopies.
Detached Group U Occupancies not greater than 1,000 square feet.
Special occupancy aircraft hangar shade structures as approved by the Zre code o\cial, unless
required in NFPA 409.
Section 903.2.1 is amended to read as follows:
903.2.1 Group A. An automatic sprinkler system shall be provided throughout buildings containing a
Group A occupancy.
903.2.1.1 through 903.2.1.5.
Sections 903.2.1.1 through 903.2.1.5 are deleted.
Section 903.2.1.6 is amended to read as follows, with deletion of the exception:
903.2.1.6 Assembly occupancies on roofs. Where an occupied roof has an assembly occupancy an
automatic sprinkler system shall be provided throughout the building in accordance with Section
903.3.1.1 or 903.3.1.2.
903.2.1.7 Multiple Kre areas.
Section 903.2.1.7 is deleted.
Section 903.2.2 is amended to read as follows:
903.2.2 Group B. An automatic sprinkler system shall be provided throughout buildings containing a
Group B occupancy where the gross [oor area exceeds 500 square feet or as required by section
903.2.2.2.
903.2.2.1 Ambulatory care facilities. An automatic sprinkler system shall be provided throughout
buildings containing an ambulatory care facility.
Section 903.2.3 is amended to read as follows:
903.2.3 Group E. An automatic sprinkler system shall be provided throughout buildings containing
Group E occupancies. For public school State-funded construction projects or for public school
campuses, kindergarten through 12th grade, see Section 903.2.19 through 903.2.20.
Section 903.2.4 is amended to read as follows:
903.2.4 Group F. An automatic sprinkler system shall be provided throughout buildings containing a
Group F occupancy.
903.2.4.1 Woodworking operations.
Section 903.2.4.1 is deleted.
Section 903.2.5.1 is amended to read as follows:
903.2.5.1 Group H. An automatic sprinkler system shall be installed throughout buildings containing
Group H occupancies.
903.2.6.1 Group I-2
Section 903.2.6.1 is deleted.
903.2.6.2 Group I-3
Section 903.2.6.2 is amended to read as follows:
903.2.6.2 Group I-3. Every building where inmates or persons are in custody or restrained shall be
protected by an automatic sprinkler system conforming to NFPA 13. The main sprinkler control valve or
valves and all other control valves in the system shall be locked in the open position and electronically
supervised so that at least an audible and visible alarm will sound at a constantly attended location when
valves are closed. The sprinkler branch piping serving cells may be embedded in the concrete
construction.
Section 903.2.7 is amended to read as follows:
903.2.7 Group M. An automatic sprinkler system shall be provided throughout buildings containing a
Group M occupancy where the gross [oor area exceeds 500 square feet.
Section 903.2.8.1 is amended to read as follows:
903.2.8.1 Group R-3. An automatic sprinkler system installed in accordance with Section 903.3.1.3 shall
be permitted in Group R-3 occupancies and shall be provided throughout all one- and two-family
dwellings regardless of square footage in accordance with the California Residential Code. An automatic
sprinkler system shall be installed in all mobile homes, manufactured homes and multi-family
manufactured homes with two or more dwelling units in accordance with Title 25 of the California Code
of Regulations.
Section 903.2.9 is amended to read as follows:
903.2.9 Group S. An automatic sprinkler system shall be provided throughout buildings containing a
Group S occupancy.
903.2.9.1 through 903.2.9.4.
Sections 903.2.9.1 through 903.2.9.4 are deleted.
903.2.10 Group S-2 Parking Garages.
Sections 903.2.10 through 903.2.10.2 are deleted.
Section 903.2.11 is amended to read as follows:
903.2.11 SpeciKc buildings areas and hazards. In all occupancies other than detached Group U
occupancies not greater than 1,000 square feet, an automatic sprinkler system shall be installed for
building design or hazard in the locations set forth in Sections 903.2.11.1 through 903.2.11.6.
903.2.11.3 exception deleted.
Section 903.2.11.3 exception is deleted.
Section 903.2.11.7 is added to read as follows:
903.2.11.7 High-piled storage. An automatic sprinkler system shall be provided throughout buildings
containing high-pile combustible storage.
Section 903.2.11.8 is added to read as follows:
903.2.11.8 Undetermined use design. Automatic sprinkler systems installed in buildings or structures
of undetermined use shall be designed and installed to have a minimum density of .33 gallons per
minute per square foot over a minimum design area of 2,000 square feet.
Section 903.2.18 is amended to read with the exception being deleted:
903.2.18 Group U private garages and carports accessory to Group R-3 occupancies. Carports with
habitable space above and attached garages, accessory to Group R-3 occupancies, shall be protected by
residential Zre sprinklers in accordance with this section. Residential Zre sprinklers shall be connected to,
and installed in accordance with, an automatic residential Zre sprinkler system that complies with R313
of The California Residential Code or with NFPA 13D. Fire sprinklers shall be residential sprinklers or quick-response sprinklers, designed to provide a minimum density of 0.05 gpm/ft2 over the most hydraulically demanding area of the structure, but not to exceed two sprinklers for hydraulic calculations
purposes. Garage doors shall not be considered obstructions with respect to sprinkler placement.
Section 903.3 is amended as follows:
903.3 Installation Requirements. Sprinkler systems shall be designed and installed in accordance with
NFPA 13, NFPA 13R (if approved by the Fire Code O\cial) and NFPA 13D. Pursuant to Section 102.7.1 and
Section 105.1.4, the Fire Code O\cial may require additional sprinkler coverage to mitigate certain
conditions such as access or water supply issues.
Section 903.3.1 is amended to read:
903.3.1 Standards. Fire sprinkler systems installed in buildings of undetermined use shall be designed
and installed to have a design density of .33 gallons per minute per square foot over a minimum design
area of three thousand square feet (3,000' sq.). Where a subsequent occupancy change requires a
system with greater capacity, it shall be the building owners’ responsibility to upgrade the system to the
required density and meet any additional requirements of the Fire Code at the time of such change.
Section 903.3.7 is amended to read as follows:
903.3.7 Fire Department Connections. The location of Zre department connections (FDCs) shall be
within Zfty feet (50') of a Zre hydrant or as approved by the Fire Code O\cial. Approved locking caps
shall be provided on any existing FDCs found to be vandalized and on new FDCs when determined by the
Fire Code O\cial to be necessary because of site speciZc conditions or hazards.
Section 903.3.9 is amended to read as follows:
903.3.9 High-rise building Loor control valves. Floor control valve and water[ow detection assemblies
shall be installed at each [oor where any of the following occur:
- Buildings where the [oor level of the highest story is located more than 30 feet above the lowest level
of Zre department access.
Buildings that are three or more stories in height.
Buildings that are two or more stories below the highest level of Zre department access.
Exception: Group R-3 and R-3.1 occupancies [oor control valves and water[ow detection assemblies
shall not be required.
Section 903.4 is amended to read as follows:
903.4 Sprinkler system supervision and alarms. Except for Group R, Division 3 Occupancies, all valves
controlling the water supply for automatic sprinkler systems, pumps, tanks, water levels, temperatures,
critical air pressure and water [ow switches shall be electronically supervised. Valves when used for
standpipes are excluded from this provision unless required by the Fire Code O\cial.
Section 903.4.2 is amended to read as follows:
903.4.2 Monitoring. One (1) exterior approved audible device shall be connected to every automatic Zre
sprinkler system in an approved location. The Fire Code O\cial may require one (1) exterior audible and
visual device connected to an automatic Zre sprinkler system in an approved location based on site
speciZc conditions. Such sprinkler water [ow alarm devices shall be activated by water [ow equivalent to
the [ow of a single sprinkler of the smallest oriZce size installed in the system. Where a building Zre
alarm system is installed, actuation of the automatic Zre sprinkler system shall actuate the building Zre
alarm system.
Section 903.6 is amended to read as follows:
903.6 Where required in existing buildings and structures. An automatic sprinkler system shall be
provided throughout existing buildings and structures where required in Chapter 11 and as required in
this section.
Exception: Alterations made solely for the purpose of providing barrier removal pursuant to the
requirements of the Americans with Disabilities Act (ADA) as contained in exception #4 of Section CBC
11B-202.4.
Sections 903.6.1 through 903.6.5 are added to read as follows:
Note: The December 31, 2029, compliance date was adjusted to allow additional time for regulatory adherence due to
the impacts of COVID-19.
903.6.1 Buildings that undergo a substantial remodel. Buildings that qualify as a substantial remodel
as deZned by section 202 of this code, must install automatic sprinklers according to the policy on Zle
and available through the City of Petaluma Fire Prevention Bureau.
903.6.2 Changes of Occupancy. When any change of occupancy occurs where the proposed new
occupancy classiZcation is more hazardous based on Zre and life safety risks as determined by the Fire
Code O\cial including, but not limited to, the conversion of residential buildings to condominiums, the
building shall meet the Zre sprinkler requirements for a newly constructed building.
903.6.3 Residential Conversions. Fire sprinkler systems shall be installed in all single-family dwellings
that are converted to duplexes and/or multi-family dwellings, bed and breakfasts, inns, lodging houses
or similar uses. Fire sprinkler systems shall be installed in all conversions of a detached garage into living
space or sleeping space.
903.6.4 Elevation of Existing Buildings. An automatic Zre extinguishing system shall be installed
throughout all existing buildings when the building is elevated to three (3) or more stories or more than
thirty-Zve feet (35') in height, from grade to the exposed roof.
Exceptions: An automatic Zre-extinguishing system need not be provided when the area above thirty-
Zve feet (35') is provided for aesthetic purposes only and is a non-habitable space.
903.6.5 Installation of Automatic Fire Sprinklers in Pre-Existing Buildings (Historic Downtown
Business District).
- Geographic Boundary—Historic Downtown Business District: For the purposes of this section, the
Historic Downtown Business District shall include all buildings located inside the geographic area
generally formed by Kentucky Street to the west, Washington Street to the north, the Petaluma River
to the east and B Street to the south. Also included in this section is 201 Washington Street (Phoenix
Theater) and 132 Keller Street, as more particularly described in Figure 1003.2.12.
- Installation Requirements: An automatic sprinkler system conforming to the Standard for the
Installation of Sprinkler Systems (NFPA-13) shall be installed in all existing buildings in the Historic
Downtown Business District in accordance with the following criteria:
2.3.¶
Plans and SpeciZcations: Plans and Calculations (NFPA 13, Chapter 8) for the service lateral
and Zre sprinkler system shall be submitted to and approved by the Fire Prevention Bureau
prior to installation of equipment and materials. All Plans and Calculations for service lateral
and sprinkler systems shall be submitted no later than June 30, 2029, with installation and
approval of work to occur prior to December 31, 2029.
Section 905.3.1 is amended to read as follows:
905.3.1 Height. Class I standpipes shall be installed in buildings three stories or over in height and/or if,
in the opinion of the Fire Chief or Fire Code O\cial, a hazard or condition exists in which the installation of standpipes would improve ZreZghting operations. Standpipes will be provided with approved outlets
provided on each [oor level, including the roof when roof access is provided.
Section 905.9: exception 2 is deleted.
Section 907.8.5 is added to read as follows:
907.8.5 Fire Alarm Service/CertiKcation Stickers/Tags. Upon completion of each annual Zre alarm
service, the licensed Zre alarm contractor providing the service shall a\x a certiZcation sticker or tag to
the front of the main Zre alarm panel which indicates the name of the Zre alarm company, the date of
the service, and the State license number.
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