Chapter 15.04 — CALIFORNIA BUILDING STANDARDS CODES

• A. Adoption. The following volumes and appendices of the California Building Standards Code, 2025 Edition, published by the California Building Standards Commission are adopted by reference:

Part 1, California Administration Code;

Part 2, California Building Code Volumes 1 and 2 including:

Appendix I, Patio Covers;

Appendix J, Grading;

Appendix L, Earthquake Recording Instrumentation;

Appendix P, Sleeping Lofts;

Appendix Q, Emergency Housing.

Part 2.5, California Residential Code including:

Appendix BF, Patio Covers;

Appendix BJ, Strawbale Construction;

Appendix CI, Swimming Pool Safety Act;

Appendix CJ, Emergency Housing.

Part 3, California Electrical Code.

Part 4, California Mechanical Code including:

Appendix B, Procedures to Be Followed to Place Gas Equipment in Operation;

Appendix C, Installation and Testing of Oil (Liquid) Fuel-Fired Equipment.

Part 5, California Plumbing Code including:

Appendix A, Recommended Rules for Sizing the Water Supply System;

Appendix B, Explanatory Notes on Combination Waste and Vent Systems;

Appendix D, Sizing Storm Water Drainage Systems;

Appendix H, Private Sewage Disposal Systems;

Appendix I, Installation Standards or PEX Tubing Systems for Hot and Cold Water Distribution;

Appendix J, Combination of Indoor and Outdoor Combustion and Ventilation Opening Design.

Part 6, California Energy Code.

Part 8, California Historical Building Code.

Part 10, California Existing Building Code including:

Appendix A, Guidelines for the Seismic Retrofit of Existing Buildings.

• Part 11, California Green Building Standards Code.

Part 12, California Referenced Standards.

• B. Copy Available. A copy of the California Building Standards Code is on file in the city of Brentwood community development department for use and examination by the public.

• C. Fees. The fees for permits issued under this chapter are those established by resolution of the city council.

• D. Enforcement of Penalties. The city may enforce this Chapter 15.04 by any means set forth in the California Building Standards Codes or in Brentwood Municipal Code Title 1 (General Provisions).

(Ord. 931 § 3, 2014; Ord. 979 § 2, 2016; Ord. 1011 § 2, 2019; Ord. 1049 § 2, 2022; Ord. 1090, 12/9/2025)

The 2025 California Plumbing Code is hereby amended by the changes, additions and deletions set forth in this section, and section numbers below refer to that code:

CPC Section 1208.5:

High levels of acid (pH) found in many locations throughout the city from natural soils and imported soils have proven to have a highly corrosive effect on metallic piping laid underground. The city prohibits the use of metallic gas piping underground without the approval of the city's chief building official and a soils analysis showing a level of (pH) that will not corrode metallic piping.

(Ord. 979 § 3, 2016; Ord. 1011 § 3, 2019; Ord. 1049 § 3, 2022; Ord. 1090, 12/9/2025)