San Luis Obispo Municipal Code Ch. 15.02 Building Codes Adopted

The city of San Luis Obispo hereby adopts a building construction and fire prevention code of the city of San Luis Obispo, 2026, hereinafter designated as the “San Luis Obispo Building Construction and Fire Prevention Code, 2026.” (Ord. 1751 § 5, 2025; Ord. 1723 § 5, 2022; Ord. 1670 § 5, 2019; Ord. 1630 § 5, 2016; Ord. 1595 § 5, 2014)

The city of San Luis Obispo hereby adopts the 2025 California Building Code as Part 2 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026. Except as otherwise provided herein, or as later amended in Section 15.04.020, Part 2 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026, shall be as published in the California Building Code Volumes 1 and 2, 2025 Edition, and as copyrighted in 2023 by the International Code Council, Inc., and the California Building Standards Commission, California Code of Regulations, Title 24, Part 2, Volumes 1 and 2, including all of its tables, indices, addenda, footnotes, and the following appendices:

A. Appendix C—Group U—Agricultural Buildings.

B. Appendix F—Rodent Proofing.

C. Appendix G—Flood-Resistant Construction.

D. Appendix I—Patio Covers.

E. Appendix J—Grading.

F. Appendix L—Earthquake Recording Instrumentation.

G. Appendix N—Replicable Buildings.

H. Appendix Q—Emergency Housing.

Said California Building Code is hereby referred to and by such references are incorporated herein as if fully set forth. (Ord. 1751 § 5, 2025; Ord. 1723 § 5, 2022)

The city of San Luis Obispo hereby adopts the 2025 California Residential Code as Part 2.5 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026. Except as otherwise provided herein, or as later amended in Section 15.04.025, Part 2.5 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026, shall be as published in the California Residential Code, 2025 Edition, and as copyrighted in 2023 by the International Code Council, Inc., and the California Building Standards Commission, California Code of Regulations, Title 24, Part 2.5, including all of its tables, indices, addenda, footnotes, and appendices adopted by the state of California. Said California Residential Code is hereby referred to and by such reference is incorporated herein as if fully set forth. (Ord. 1751 § 5, 2025; Ord. 1723 § 5, 2022)

The city of San Luis Obispo hereby adopts the 2025 California Electrical Code as Part 3 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026. Except as otherwise provided herein, or as later amended in Section 15.04.030, Part 3 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026, shall be as published in the California Electrical Code, 2025 Edition, and as copyrighted in 2023 to the National Fire Protection Association, Inc., and the California Building Standards Commission, California Code of Regulations, Title 24, Part 3, including all of its tables, indices, appendices, addenda, annexes and footnotes. Said California Electrical Code is hereby referred to and by such reference is incorporated herein as if fully set forth. (Ord. 1751 § 5, 2025; Ord. 1723 § 5, 2022)

The city of San Luis Obispo hereby adopts the 2025 California Mechanical Code as Part 4 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026. Except as otherwise provided herein, or as later amended in Section 15.04.040, Part 4 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026, shall be as published in the California Mechanical Code, 2025 Edition, and as copyrighted in 2024 by the International Association of Plumbing and Mechanical Officials and the California Building Standards Commission, California Code of Regulations, Title 24, Part 4, including all of its tables, indices, addenda, footnotes, and the following appendices:

A. Appendix A—Residential Plans Examiner Review Form for HVAC System Design.

B. Appendix B—Procedures to be Followed to Place Gas Equipment in Operation.

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

D. Appendix D—Fuel Supply: Manufactured/Mobile Home Parks and Recreational Vehicle Parks.

E. Appendix F—Sizing of Venting Systems and Outdoor Combustion and Ventilation Opening Design.

F. Appendix G—Example Calculation of Outdoor Air Rate.

Said California Mechanical Code is hereby referred to and by such reference is incorporated herein as if fully set forth. (Ord. 1751 § 5, 2025; Ord. 1723 § 5, 2022)

The city of San Luis Obispo hereby adopts the 2025 California Plumbing Code as Part 5 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026. Except as otherwise provided herein, or as later amended in Section 15.04.050, Part 5 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026, shall be as published in the California Plumbing Code, 2025 Edition, and as copyrighted in 2024 by the International Association of Plumbing and Mechanical Officials and the California Building Standards Commission, California Code of Regulations, Title 24, Part 5, including all of its tables, indices, addenda, footnotes, and the following appendices:

A. Appendix A—Recommended Rules for Sizing the Water Supply System.

B. Appendix B—Explanatory Notes on Combination Waste and Vent Systems.

C. Appendix C—Alternate Plumbing Systems.

D. Appendix D—Sizing Storm Water Drainage Systems.

E. Appendix E—Manufactured/Mobile Home Parks and Recreational Vehicle Parks.

F. Appendix G—Sizing of Venting Systems.

G. Appendix H—Private Sewage Disposal Systems.

H. Appendix I—Installation Standards.

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

J. Appendix K—Potable Rainwater Catchment Systems.

K. Appendix M—Peak Water Demand Calculator.

L. Appendix N—Impact of Water Temperature on The Potential for Scalding and Legionella Growth.

Said California Plumbing Code is hereby referred to and by such reference is incorporated herein as if fully set forth. (Ord. 1751 § 5, 2025; Ord. 1734 § 10, 2024; Ord. 1723 § 5, 2022)

The city of San Luis Obispo hereby adopts the 2025 California Energy Code as Part 6 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026. Except as otherwise provided herein, or as later amended in Sections 15.04.060 and 15.04.065, or affected by San Luis Obispo Health and Safety Code Chapter 8.11, Part 6 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026, shall be as published in the California Energy Code, 2025 Edition, and as copyrighted by the California Building Standards Commission, California Code of Regulations, Title 24, Part 6, including all of its tables, indices, appendices, addenda and footnotes. Said California Energy Code is hereby referred to and by such reference is incorporated herein as if fully set forth. (Ord. 1751 § 5, 2025; Ord. 1736 § 2 (Exh. A), 2024; Ord. 1723 § 5, 2022)

The city of San Luis Obispo hereby adopts the 2025 California Wildland-Urban Interface Code as part 7 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026. Except as otherwise provided herein, or as later amended in Section 15.04.070, Part 7 of the San Luis Obispo Construction and Fire Prevention Code, 2026, shall be as published in the California Wildland-Urban Interface Code, 2025 Edition, and as copyrighted in 2024 by the International Code Council, Inc. and the California Building Standards Commission, California Code of Regulations, Title 24, Part 7, including all of its tables, indices, addenda, and footnotes. Said California Wildland -Urban Interface Code is hereby referred to and by such reference is incorporated herein as if fully set forth. (Ord. 1751 § 5, 2025; Ord. 1723 § 5, 2022)

The city of San Luis Obispo hereby adopts the 2025 California Historical Building Code as Part 8 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026. Except as otherwise provided herein, or as later amended in Section 15.04.080, Part 8 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026, shall be as published in the California Historical Building Code, 2025 Edition, and as copyrighted by the California Building Standards Commission, California Code of Regulations, Title 24, Part 8, including all of its tables, indices, appendices, addenda and footnotes. Said California Historical Building Code is hereby referred to and by such reference is incorporated herein as if fully set forth. (Ord. 1751 § 5, 2025; Ord. 1723 § 5, 2022)

The city of San Luis Obispo hereby adopts the 2025 California Fire Code as Part 9 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026. Except as otherwise provided herein, or as later amended in Section 15.04.090, Part 9 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026, shall be as published in the California Fire Code, 2025 Edition, and as copyrighted in 2024 by the International Code Council, Inc., and the California Building Standards Commission, California Code of Regulations, Title 24, Part 9, including all of its tables, indices, addenda, footnotes, and the following appendices:

A. Appendix Chapter 4—Special Detailed Requirements Based on Use and Occupancy.

B. Appendix B—Fire-flow Requirements for Buildings.

C. Appendix BB—Fire-flow Requirements for Buildings.

D. Appendix C—Fire Hydrant Locations and Distribution.

E. Appendix CC—Fire Hydrant Locations and Distribution.

F. Appendix D—Fire Apparatus Access Roads.

G. Appendix E—Hazard Categories.

H. Appendix F—Hazard Ranking.

I. Appendix G—Cryogenic Fluids—Weight and Volume Equivalents.

J. Appendix H—Hazardous Materials Management Plans and Hazardous Materials Inventory Statements.

K. Appendix I—Fire Protection Systems—Noncompliant Conditions.

L. Appendix J—Building Information Sign.

M. Appendix K—Construction Requirements for Existing Ambulatory Care Facilities.

N. Appendix M—High-Rise Buildings—Retroactive Automatic Sprinkler Requirement.

O. Appendix N—Indoor Trade Shows and Exhibitions.

P. Appendix P—Temporary Haunted Houses, Ghost Walks and Similar Amusement Uses.

Q. Appendix Q—Community Wildland-Urban Interface (WUI) Fire Hazard Evaluation Framework.

Said California Fire Code is hereby referred to and by such reference is incorporated herein as if fully set forth. (Ord. 1751 § 5, 2025; Ord. 1723 § 5, 2022)

The city of San Luis Obispo hereby adopts the 2025 California Existing Building Code as Part 10 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026. Except as otherwise provided herein, or as later amended in Section 15.04.100, Part 10 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026, shall be as published in the California Existing Building Code, 2025 Edition, and as copyrighted in 2024 by the International Code Council, Inc., and the California Building Standards Commission, California Code of Regulations, Title 24, Part 10, including all of its tables, indices, appendices, addenda and footnotes. Said California Existing Building Code is hereby referred to and by such reference is incorporated herein as if fully set forth. (Ord. 1751 § 5, 2025; Ord. 1723 § 5, 2022)

The city of San Luis Obispo hereby adopts the 2025 California Green Building Standards Code as Part 11 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026. Except as otherwise provided herein, or as later amended in Section 15.04.110, Part 11 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026, shall be as published in the California Green Building Standards Code, 2025 Edition, and as published in 2025 by the International Code Council, Inc., and the California Building Standards Commission, California Code of Regulations, Title 24, Part 11, including all of its tables, indices, addenda, footnotes, and appendices adopted by the state of California. Said California Green Building Standards Code is hereby referred to and by such reference is incorporated herein as if fully set forth. (Ord. 1751 § 5, 2025; Ord. 1723 § 5, 2022)

The city of San Luis Obispo hereby adopts the 2025 California Referenced Standards Code as Part 12 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026. Except as otherwise provided herein, or as later amended in Section 15.04.120, Part 12 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026, shall be as published in the California Referenced Standards Code, 2025 Edition, and as published in 2025 by the International Code Council, Inc., and the California Building Standards Commission, California Code of Regulations, Title 24, Part 12, including all of its tables, indices, appendices, addenda and footnotes. Said California Referenced Standards Code is hereby referred to and by such reference is incorporated herein as if fully set forth. (Ord. 1751 § 5, 2025; Ord. 1723 § 5, 2022)

The city of San Luis Obispo hereby adopts the 2024 International Property Maintenance Code as Part 13 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026. Except as otherwise provided herein, or as later amended in Section 15.04.130, Part 13 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026, shall be as published in the International Property Maintenance Code, 2021 Edition, and as published in 2024 by the International Code Council, Inc., including all of its tables, indices, appendices, addenda and footnotes. Said International Property Maintenance Code is hereby referred to and by such reference is incorporated herein as if fully set forth. (Ord. 1751 § 5, 2025; Ord. 1723 § 5, 2022)

The city of San Luis Obispo hereby adopts the 1997 Editions of the Uniform Housing Code and the Uniform Code for the Abatement of Dangerous Buildings as Part 14 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026. Except as otherwise provided herein, or as later amended in Section 15.04.140, Part 14 of the San Luis Obispo Building Construction and Fire Prevention Code, 2026, shall be as published in the Uniform Housing Code and the Uniform Code for the Abatement of Dangerous Buildings, 1997 Edition, and as published by the International Conference of Building Officials, including all of its tables, indices, appendices, addenda and footnotes. Said Uniform Housing Code and the Uniform Code for the Abatement of Dangerous Buildings are hereby referred to and by such reference are incorporated herein as if fully set forth. (Ord. 1751 § 5, 2025; Ord. 1723 § 5, 2022)

Persons who shall violate a provision of the California Fire Code or shall fail to comply with any of the requirements thereof or who shall erect, install, alter, repair or do work in violation of the approved construction documents or directive of the fire code official, or of a permit or certificate used under provisions of this code, shall be guilty of a misdemeanor, punishable by a fine of not more than one thousand dollars or by imprisonment not exceeding one year, or both such fine and imprisonment. Each day that a violation continues after due notice has been served shall be deemed a separate offense. (Ord. 1751 § 5, 2025; Ord. 1723 § 5, 2022; Ord. 1670 § 5, 2019; Ord. 1630 § 5, 2016. Formerly 15.02.020)