San Anselmo Municipal Code Art. 2 Amendments

All electrical and communication service laterals, including those for cable television service, to any new building or structure or building or structure undergoing a substantial improvement as defined by CBC Chapter 2 must be placed underground.

(§ 2, Ord. 1010, eff. Octover 28, 1999; repealed and replaced by § 1, Ord. 1059, eff. December 27, 2007)

(Ord. No. 1077, 9-23-2010; Ord. No. 1090, § 1, 11-26-2013; Ord. No. 1111, § 1, 11-29-2016; Ord. No. 1141, § 2, 11-12-2019; Ord. No. 1168, § 2, 11-15-2022; Ord. No. 2025-1196, § 4, 11-10-2025)

Non-metallic electric cable (Type NM, NMC, NMS) is not allowed in electrical wiring in non-residential applications.

(§ 2, Ord. 1010, eff. Octover 28, 1999; repealed and replaced by § 1, Ord. 1059, eff. December 27, 2007)

(Ord. No. 1077, 9-23-2010; Ord. No. 1090, § 1, 11-26-2013; Ord. No. 1111, § 1, 11-29-2016; Ord. No. 1141, § 2, 11-12-2019; Ord. No. 1168, § 2, 11-15-2022; Ord. No. 2025-1196, § 4, 11-10-2025)

Design and construction must adhere to the most stringent requirements of California Building Code Section 3109, California Residential Code Appendix AX, International Swimming Pool and Spa Code 2024 edition and California Health & Safety Code Section 115921. Barriers enclosing a swimming pool must be at least 5' tall. Before water is placed in a pool for any reason, including the curing of the pool walls, a barrier at least 5' tall conforming to the requirements of CBC Section 3109 must be in place or a pool cover complying with ASTM F1346 must be installed and operational.

(§ 1, Ord. 1059, eff. December 27, 2007)

(Ord. No. 1077, 9-23-2010; Ord. No. 1090, § 1, 11-26-2013; Ord. No. 1111, § 1, 11-29-2016; Ord. No. 1141, § 2, 11-12-2019; Ord. No. 1168, § 2, 11-15-2022; Ord. No. 2025-1196, § 4, 11-10-2025)

Private garages and carports shall have a clear ceiling height of not less than 7'.

(Ord. No. 1077, 9-23-2010; Ord. No. 1090, § 1, 11-26-2013; Ord. No. 1111, § 1, 11-29-2016; Ord. No. 1141, § 2, 11-12-2019; Ord. No. 1168, § 2, 11-15-2022; Ord. No. 2025-1196, § 4, 11-10-2025)

Except for access to a storage room or closet, all doors must be at least 6'-8" (80") high. Required exit doors must be side-hinged, swing type.

(§ 1, Ord. 1059, eff. December 27, 2007)

(Ord. No. 1077, 9-23-2010; Ord. No. 1090, § 1, 11-26-2013; Ord. No. 1111, § 1, 11-29-2016; Ord. No. 1141, § 2, 11-12-2019; Ord. No. 1168, § 2, 11-15-2022; Ord. No. 2025-1196, § 4, 11-10-2025)

For all new structures and any addition that exceeds fifty (50%) percent of the original area, the new roof must be covered with a Class A Roofing Assembly. A noncombustible roof may be applied in accordance with the manufacturer's requirements in lieu of a fire-retardant roofing assembly.

Existing buildings that have fifty (50%) percent or more of the roof surface replaced within a five-year period are required to totally replace the roof with a Class A roof assembly or be fire resistive by other provisions of this code.

(§ 1, Ord. 1059, eff. December 27, 2007)

(Ord. No. 1077, 9-23-2010; Ord. No. 1090, § 1, 11-26-2013; Ord. No. 1111, § 1, 11-29-2016; Ord. No. 1141, § 2, 11-12-2019; Ord. No. 1168, § 2, 11-15-2022; Ord. No. 2025-1196, § 4, 11-10-2025)

The permit application process must be completed and a permit issued within one year of application submittal. If a permit is not issued one year of the application date the application shall expire. The building official may extend the permit application one time for a period of 180 days. The request must be in writing before the application has expired and demonstrate the circumstances beyond the applicant's control that delayed the application. In order to renew action on an expired application, the applicant shall submit new plans and pay a new plan review fee.

Building permits are valid provided work has commenced within 180 days after the permit is issued and a building department inspection has been completed. If 180 days pass and no inspection by the building department has taken place the permit shall expire. The building official may extend the expired permit one time for up to 180 days if the applicant makes a written request before the expiration date demonstrating circumstances beyond the applicant's control for the delay in the progression of the work. If a permit expires, work may not resume until a new permit is obtained. If the period of expiration is greater than 180 days, no changes are made to the plans and the original plans and specifications may be utilized, the applicant shall pay half the required amount of the building fee. If there are changes to the plans and or specifications the applicant must pay the full amount.

(§ 1, Ord. 1059, eff. December 27, 2007)

(Ord. No. 1077, 9-23-2010; Ord. No. 1090, § 1, 11-26-2013; Ord. No. 1111, § 1, 11-29-2016; Ord. No. 1141, § 2, 11-12-2019; Ord. No. 1168, § 2, 11-15-2022; Ord. No. 2025-1196, § 4, 11-10-2025)

The building official may authorize refunding of any fee paid which was erroneously paid or collected.

The building official may authorize refunding of not more than eighty (80%) percent of the plan review fee paid when an application is withdrawn or canceled before any plan review is done.

The building official may authorize refunding of not more than eighty (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 shall not authorize refunding of any fee paid except on written application filed by the original permittee and not later than 180 days after the date of fee payment.

(§ 1, Ord. 1059, eff. December 27, 2007)

(Ord. No. 1077, 9-23-2010; Ord. No. 1090, § 1, 11-26-2013; Ord. No. 1111, § 1, 11-29-2016; Ord. No. 1141, § 2, 11-12-2019; Ord. No. 1168, § 2, 11-15-2022; Ord. No. 2025-1196, § 4, 11-10-2025)

When reroofing causes more than fifty (50%) percent of the roof sheathing to be removed, a radiant barrier (reflective insulation) shall be installed in conjunction with the reroofing project.

(Ord. No. 1076, Div. 5, 8-24-2010; Ord. No. 1141, § 2, 11-12-2019; Ord. No. 1168, § 2, 11-15-2022; Ord. No. 2025-1196, § 4, 11-10-2025)

When hot water pipes are exposed by removal of wall surfaces insulation shall be installed having a minimum thickness of one (1″) inch for pipe diameter of two (2″) inches or less, and having a minimum thickness of one and one-half (1.5″) inches for pipe diameter exceeding two (2″) inches.

(Ord. No. 1076, Div. 6, 8-24-2010; Ord. No. 1141, § 2, 11-12-2019; Ord. No. 1168, § 2, 11-15-2022; Ord. No. 2025-1196, § 4, 11-10-2025)

Automatic sprinkler systems shall be required in one- and two-family dwellings and townhouses where the structure is undergoing a substantial improvement as defined in CBC Chapter 2 and/or if so determined by the RVFD.

(Ord. No. 1090, § 1, 11-26-2013; Ord. No. 1111, § 1, 11-29-2016; Ord. No. 1141, § 2, 11-12-2019; Ord. No. 1168, § 2, 11-15-2022; Ord. No. 2025-1196, § 4, 11-10-2025)

Sections 701A.1 and 701A.3 of Chapter 7A of the 2025 California Building Code (Title 24, Part 2, Volume 1), and the 2025 California Wildland-Urban Interface Code (Title 24, Part 7), California Code of Regulations are hereby amended to read as follows:

701A.1 and the 2025 California Wildland-Urban Interface Code Scope. This chapter applies to building materials, systems and/or assemblies used in the exterior design and construction of new buildings, additions, repairs, and exterior alterations located within a Wildland Urban Interface Fire Area as defined in sections 702A and CWUIC.

701A.3 and CWUIC Application. New buildings, additions, repairs, and exterior alterations to buildings located in any Fire Hazard Severity Zone or any Wildland Urban Interface Fire Area designated by the enforcing agency constructed after the application date shall comply with the provisions of this chapter.

Exceptions:

1. Buildings of an accessory character and not exceeding 120 square feet in floor area, when located at least 30 feet from an applicable building.

2. Buildings of an accessory character classified as a Group U occupancy of any size located at least 50 feet from an applicable building.

3. Buildings classified as a Group U Agricultural Building, as defined in CBC Section 202 and CWUIC when located at least 50 feet from an applicable building.

Section 707A.3.2 is hereby added to Chapter 7A of the 2025 California Building Code (Title 24, Part 2, Volume 1) to read as follows:

When more than fifty (50%) percent of exterior wall covering on one face of a structure is repaired or replaced within a twelve (12) month period, the entire face of exterior wall covering shall comply with Section 707A.3. And when more than fifty (50%) percent of exterior wall coverings of an existing structure are repaired or replaced within a thirty-six (36) month period, the entire exterior wall coverings shall comply with Section 707A.3 Exceptions may be granted by the Building Official when alternate means of protection are installed as approved by the Fire Official and/or Building Official.

Section R337.7.3.2 is hereby added to the 2025 California Wildland-Urban Interface Code (Title 24, Part 7), to read as follows:

When more than fifty (50%) percent of exterior wall covering on one face of a structure is repaired or replaced within a twelve (12) month period, the entire face of exterior wall covering shall comply with Section R337.7 When more than fifty (50%) percent of exterior wall coverings of an existing structure are repaired or replaced within a thirty-six (36) month period, the entire exterior wall coverings shall comply with Section R337.7 Exceptions may be granted by the Building Official when alternate means of protection are installed as approved by the Fire Official and/or Building Official.

(Ord. No. 1114 § 1, 2-14-2017; Ord. No. 1141, § 2, 11-12-2019; Ord. No. 1168, § 2, 11-15-2022; Ord. No. 2025-1196, § 4, 11-10-2025)

Outside opening protection of the 2025 California Residential Code, California Code of Regulations are hereby amended to read as follows:

Openings shall be protected against local weather conditions. Outdoor air exhaust and intake openings shall meet the provisions for exterior wall opening protectives in accordance with this code. Air exhaust and intake openings that terminate outdoors shall be protected with corrosion-resistant screens, louvers or grilles.

1. Vents shall be listed to ASTM E2886 and comply with all of the following:

2. There shall be no flaming ignition of the cotton material during the Ember Intrusion Test.

3. There shall be no flaming ignition during the Integrity Test portion of the Flame Intrusion Test.

4. The maximum temperature of the unexposed side of the vent shall not exceed 662°F (350°C).

5. Vents shall comply with all of the following:

2.1.

The dimensions of the openings therein shall be a minimum of 1 / 16 inch (1.6 mm) and shall not exceed 1 / 8 inch (3.2 mm).

2.2.

The materials used shall be noncombustible. Exception: Vents located under the roof covering, along the ridge of roofs, with the exposed surface of the vent covered by noncombustible wire mesh, may be of combustible materials.

2.3.

The materials used shall be corrosion resistant.

(Ord. No. 1114 § 1, 2-14-2017; Ord. No. 1141, § 2, 11-12-2019; Ord. No. 1168, § 2, 11-15-2022; Ord. No. 2025-1196, § 4, 11-10-2025)