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Earlier editions: 2022

San Francisco Building Inspection Commission Codes Ch. 17 Referenced Standards

San Francisco Building Inspection Commission Codes · 2026-08 edition · updated 2026-09-23 · San Francisco

Cite as: San Francisco Building Inspection Commission Codes Chapter 17 · Text as of 2026-09-23

No San Francisco Plumbing Code Amendments.

Appendix A RECOMMENDED RULES FOR SIZING THE WATER SUPPLY SYSTEM

Appendix A RECOMMENDED RULES FOR SIZING THE WATER SUPPLY SYSTEM

No San Francisco Plumbing Code Amendments.

Appendix B EXPLANATORY NOTES ON COMBINATION WASTE AND VENT SYSTEMS

Appendix B EXPLANATORY NOTES ON COMBINATION WASTE AND VENT SYSTEMS

No San Francisco Plumbing Code Amendments.

Appendix C ALTERNATE PLUMBING SYSTEMS

Appendix C ALTERNATE PLUMBING SYSTEMS

No San Francisco Plumbing Code Amendments.

Appendix D SIZING STORMWATER DRAINAGE SYSTEMS

Appendix D SIZING STORMWATER DRAINAGE SYSTEMS

No San Francisco Plumbing Code Amendments.

Appendix E MANUFACTURED MOBILE HOME PARKS AND RECREATIONAL VEHICLE PARKS

Appendix E MANUFACTURED MOBILE HOME PARKS AND RECREATIONAL VEHICLE PARKS

No San Francisco Plumbing Code Amendments.

Appendix F FIREFIGHTER BREATHING AIR REPLENISHMENT SYSTEMS

Appendix F FIREFIGHTER BREATHING AIR REPLENISHMENT SYSTEMS

No San Francisco Plumbing Code Amendments.

Appendix G SIZING OF VENTING SYSTEMS

Appendix G SIZING OF VENTING SYSTEMS

No San Francisco Plumbing Code Amendments.

Appendix H PRIVATE SEWAGE DISPOSAL SYSTEMS

Appendix H PRIVATE SEWAGE DISPOSAL SYSTEMS

No San Francisco Plumbing Code Amendments.

Appendix I INSTALLATION STANDARD

Appendix I INSTALLATION STANDARD

No San Francisco Plumbing Code Amendments.

Appendix J COMBINATION OF INDOOR AND OUTDOOR COMBUSTION AND VENTILATION OPENING DESIGN

Appendix J COMBINATION OF INDOOR AND OUTDOOR COMBUSTION AND VENTILATION OPENING DESIGN

No San Francisco Plumbing Code Amendments.

Appendix K POTABLE RAINWATER CATCHMENT SYSTEMS

Appendix K POTABLE RAINWATER CATCHMENT SYSTEMS

No San Francisco Plumbing Code Amendments.

Appendix L SUSTAINABLE PRACTICES

Appendix L SUSTAINABLE PRACTICES

No San Francisco Plumbing Code Amendments.

Appendix M PEAK WATER DEMAND CALCULATOR

Appendix M PEAK WATER DEMAND CALCULATOR

No San Francisco Plumbing Code Amendments.

Appendix N IMPACT OF WATER TEMPERATURE ON THE POTENTIAL FOR SCALDING AND LEGIONELLA GROWTH

Appendix N IMPACT OF WATER TEMPERATURE ON THE POTENTIAL FOR SCALDING AND LEGIONELLA GROWTH

No San Francisco Plumbing Code Amendments.

San Francisco, California

Table of Amendments

San Francisco Building Inspection Commission (BIC) Codes

SAN FRANCISCO
BUILDING INSPECTION COMMISSION CODES

This electronic version of the San Francisco Building Inspection Commission (BIC) Codes is current through Ord. 112-26, approved 6/12/2026, effective 7/12/2026 Administrative Bulletins approved through July 11, 2025 . Building Code

Electrical Code

Existing Building Code

Green Building Code

Housing Code Mechanical Code Plumbing Code

Table of Amendments

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THE SAN FRANCISCO CODES

The following San Francisco Codes are published by American Legal:

The Municipal Code:

Charter Administrative Code Business and Tax Regulations Code Campaign and Governmental Conduct Code Environment Code Fire Code Health Code Labor and Employment Code Municipal Elections Code Park Code Planning Code (including Zoning Maps) Police Code Port Code Public Works Code Subdivision Code Transportation Code

Building Inspection Commission Codes:

Building Code Electrical Code Existing Building Code Green Building Code Housing Code Mechanical Code Plumbing Code

Comprehensive Ordinance List

BUILDING CODE 2025 Edition

BUILDING CODE

2025 Edition

The San Francisco Building Code is current through:

[Includes legislation adopted by the Board of Supervisors through Ord. 112-26, approved 6/12/2026, effective 7/12/2026

Administrative Bulletins approved through July 11, 2025 . ]

Copyright © 2026

by

THE CITY AND COUNTY OF SAN FRANCISCO

A Municipal Corporation

All rights reserved. No part of this publication may be reproduced or distributed by any means or stored in a database or retrieval system without prior written permission of the City and County of San Francisco.

PUBLISHER'S NOTE

The full 2025 San Francisco Building Code consists of the 2025 California Building Code, as further amended by these San Francisco amendments, as well as the 2025 California Residential Code, as further amended by these San Francisco amendments.

The San Francisco Building Code amendments contained herein are designed to be used in conjunction with the 2025 California Building Code and include all residential code provisions of the 2025 California Residential Code, including more restrictive provisions carried forward into these amendments and so noted.

The San Francisco Building Code amendments contained herein were adopted by the Board of Supervisors of the City and County of San Francisco on November 21, 2025, by Ordinance 231-25, effective December 22, 2025 and operative January 1, 2026.

2025 California Building Code

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Francisco Building Code
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2025 San Francisco Amendments
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Note that prior editions of the San Francisco Building Code included material derived from the California Green Building Standards Code and the California Existing Building Code. Provisions relating to those subjects currently are published separately as the 2025 San Francisco Green Building Code and the 2025 San Francisco Existing Building Code, respectively.

Supplements to this Code and complete copies of all seven

Building Inspection Commission (BIC) Codes

(Building, Electrical, Existing Building, Green Building, Housing, Mechanical, and Plumbing)

can be ordered from:

AMERICAN LEGAL PUBLISHING CORPORATION

Cincinnati, Ohio 45202

800-445-5588

Fax: 513-763-3562

www.amlegal.com

PREFACE
Text Format:

The text in this publication is formatted to allow the user to quickly and easily determine the source of the included material. Language derived from the 2025 California Codes that is unchanged by local amendment is printed in shaded text (see below). Language constituting San Francisco amendments to the California Codes is printed in unformatted (or “plain”) text. In either case, bold and/or italic typefaces may be used as appropriate for emphasis, etc. See below for examples.

To further simplify use of the San Francisco amendments with corresponding sections of the 2025 California Codes, explanatory remarks appearing in italics are provided (in boxes at the beginning of affected provisions) indicating whether the San Francisco amendment to the California Code is adding, revising, or replacing a section or portion of a section.

To summarize:

Explanatory remarks are boxed and italicized.

Unchanged language from the 2025 California Codes is shaded, and may include bold and/or italicized formatting. San Francisco amendments are printed in unformatted ("plain") text, and may include bold and/or italicized formatting.

Marginal Markings:
[ ← ]

The arrow represents the location of language that has been deleted by San Francisco from the applicable California Code.

An arrow represents the location of language that has been deleted by San Francisco from the 2025 California Code.

A solid line represents a change from the original published edition of the 2025 San Francisco Building Code.

Historical Notations:

Language which has been added, amended, or deleted from the 2025 publication of the San Francisco Building Code is indicated with an historical notation, setting forth the ordinance number and date of adoption. Additionally, a table is included below that lists and summarizes all legislation that has affected this Code and the other Building Inspection Commission codes after their initial enactment.

ELECTRICAL CODE 2025 Edition

ELECTRICAL CODE

2025 Edition

[Includes legislation adopted by the Board of Supervisors through December 31, 2025]

Copyright © 2026

by

THE CITY AND COUNTY OF SAN FRANCISCO

A Municipal Corporation

All rights reserved. No part of this publication may be reproduced or distributed by any means or stored in a database or retrieval system without prior written permission of the City and County of San Francisco.

PUBLISHER'S NOTE

The full 2025 San Francisco Electrical Code consists of the 2025 California Electrical Code, and as further amended by these San Francisco amendments.

The San Francisco Electrical Code amendments contained herein are designed to be used in conjunction with the 2025 California Electrical Code.

The San Francisco Electrical Code amendments contained herein were adopted by the Board of Supervisors of the City and County of San Francisco on November 21, 2025, by Ordinance 228-25, effective December 22, 2025, and operative January 1, 2026.

<!Text read from an image; its layout may differ:
> 2025 California Electrical Code
Complete
+ ' '
San Francisco
Electrical Code
{ } }
2025 San Francisco Amendments
<!>

Supplements to this Code and complete copies of all seven

Building Inspection Commission (BIC) Codes

(Building, Electrical, Existing Building, Green Building, Housing, Mechanical, and Plumbing)

can be ordered from:

AMERICAN LEGAL PUBLISHING CORPORATION

Cincinnati, Ohio 45202

800-445-5588

Fax: 513-763-3562

www.amlegal.com

PREFACE
Text Format:

The text in this publication is formatted to allow the user to quickly and easily determine the source of the included material. Language derived from the 2025 California Code that is unchanged by local amendment is printed in shaded text (see below). Language constituting San Francisco amendments to the California Code is printed in unformatted (or “plain”) text. In either case, bold and/or italic typefaces may be used as appropriate for emphasis, etc. See below for examples.

To further simplify use of the San Francisco amendments with corresponding sections of the 2025 California Code, explanatory remarks appearing in italics are provided (in boxes at the beginning of affected provisions) indicating whether the San Francisco amendment to the California Code is adding, revising, or replacing a section or portion of a section.

To summarize:

Explanatory remarks are boxed and italicized.

Unchanged language from the 2025 California Code is shaded, and may include bold and/or italicized formatting. San Francisco amendments are printed in unformatted ("plain") text, and may include bold and/or italicized formatting.

An arrow [ ← ]

The arrow represents the location of language that has been deleted by San Francisco from the applicable California Code.

represents the location of language that has been deleted by San Francisco from the 2025 California Code.

A solid line represents a change from the original published edition of the 2025 San Francisco Electrical Code.

Historical Notations:

Language which has been added, amended, or deleted from the 2025 publication of the San Francisco Electrical Code is indicated with an historical notation, setting forth the ordinance number and date of adoption. Additionally, a table is included below that lists and summarizes all legislation that has affected this Code and the other Building Inspection Commission codes after their initial enactment.

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