2025 BUILDING CODES UPDATE
ORDINANCE NO. 1449
URGENCY ORDINANCE NO. 1450
September 22, 2025
City Council Meeting
2025 Building Codes Update
•Every 3 years,the CBSC is updated
•This Ordinance amends portions of the 2025
CBSC and adopts the 2025 Edition of the
CBSC
•If adopted,the provisions in this Ordinance
will take effect on January 1,2026.
2025 Building Codes Update
•Projects for which a building permit
application and building plans were
submitted before the Ordinance’s
effective date,and for which building
permits are obtained within 90 days of the
effective date,would be exempt from the
updated regulations.
Changes to the 2025 Codes
Seismic Hazard Mitigation
The requirements to address Soil
Liquefaction that has previously
been enforced by policy is now
permanent language in this
ordinance.
Changes to the 2025 Codes
CRC Section R401.4.1.1.5.1
Soils Investigation Report for all
residential projects exceeding 750 square
feet or more than one story in height.
Projects under 750 square feet may meet
the necessary seismic hazard mitigation
following the City’s prescriptive design
methods.
Changes to the 2025 Codes
CRC Sections R904 and R905
Modification to the CRC roof
covering provisions to require a
minimum classification of “Type B”
roof covering materials.
Changes to the 2025 Codes
CBC Table 1505.1
CBC Section 1505.1.2
Modification to the Building Code
roof covering provisions to require a
minimum classification of “Type B”
roof covering materials.
Changes to the 2025 Codes
Fire Code Section 503
The specific adoption of Fire Code
Section 503 to give the Fire Chief
the authority to establish a minimum
width for fire access roads.
Changes to the 2025 Codes
BMC Chapter 15.84
The Adoption of the new Wildland-Urban
Interface Code. This required a new
BMC Chapter 15.84 to be added.
The requirements of the Wildland-Urban
Interface were previously in Chapter 7 of
the Building Code.
ENERGY CODE UPDATES
2025 California Energy Code
Energy Code Updates
Swimming Pool Requirements
•Outdoor heated pools/spas must have pool
cover
•Pool Heater must be solar and/or heat pump
Energy Code Updates
Commercial
•Adds mandatory electric-ready for
new commercial kitchens including
restaurants
Energy Code Updates
CBC Section 903.2 Automatic sprinkler
systems are required to be installed in
Group B, F-1, M and S-1 occupancies that
have lithium-ion or lithium-metal battery
systems.
Occupancy criteria defined in next slide.
Energy Code Updates
CBC Section 903.2 continued
Group B: Testing and R&D Labs for such
batteries
Group F-1: Lithium battery or EV manufacture,
ESS or equipment that uses such batteries
Group M: Storage of such batteries
Group S-1: Storage or repair of EVs with a fire
area of greater than 500 sq ft
URGENCY ORDINANCE
Urgency Ordinance No. 1450
STAFF RECOMMENDATION
ORDINANCE NO. 1449 & URGENCY ORDINANCE
NO. 1450
Recommendation
1)Adopt Urgency Ordinance No. 1450 by at least
a four-fifths vote; and Waive further reading and
adopt Ordinance No. 1449; or
2)Alternatively, discuss and take other action
related to this item
THE END
2025 BUILDING CODES UPDATES
September 22, 2025
City Council Meeting