Backflow Testing in San Francisco, CA
Enforced by San Francisco Fire Department, Bureau of Fire Prevention
San Francisco enforces NFPA 10 with local amendments that go beyond the CA state code. These jurisdiction-specific changes to No local amendments to extinguisher provisions exceeding the state standard. SFFD reserves authority under SFFC §104 to require additional safeguards where special hazards exist. directly affect backflow testing requirements for building owners and property managers in San Francisco.
Compliance Requirements
Annual Backflow Testing
Enforced by SFPUC (Water Quality Division). Citations up to $1,000/violation/day; each continuing day is a separate violation. 7-day written notice for unprotected cross-connections; water service termination if not abated. High-risk hazards: immediate shutoff without prior notice. Test reports due within 5 calendar days; failed tests reported by close of business same day. Tester must hold valid SFPUC Permit to Operate (CA-NV AWWA or ASSE cert, $2M liability insurance, calibrated test kit). All enforcement costs recoverable via water bill.
CCCPH §3.3.3; CA H&S Code §116800; San Francisco Health Code Article 12A; SFPUC Rules and Regulations Governing Water Service to Customers, Section G — Cross-Connection Control (effective September 9, 2025); CCCPH (effective July 1, 2024); California Health & Safety Code §116800
View provenance
Code Adoptions
Local Amendments: No local amendments to extinguisher provisions exceeding the state standard. SFFD reserves authority under SFFC §104 to require additional safeguards where special hazards exist.
Local Amendments: SF is stricter in two ways: (1) SFFC §109.3.1 requires property owners to file five-year inspection records with BFP, with $125 filing fee (Table 108-D). (2) SF inspects all 630 high-rise structures annually under Health & Safety Code §13217, at $15.67 per 1,000 sq ft (SFFC §108.8). FDCs must use 3-inch NST hose threads per SFFC §903.3.6.1.
Local Amendments: SFFC §907.8.5 requires biennial Statement of Compliance filings: 9+ units by Jan 31 of odd years, <9 units by Jan 31 of even years ($75 filing fee). UL-certified alarm systems required in assembly occupancies (300+ occupants), day care, R-2. False alarm fees: $250 after 3rd alarm, $500 after 5th alarm per calendar year (SFFC §108.13).
Local Amendments: SF enforces 2025 CFC requirement for UL 300 wet chemical system replacement. Semi-annual ITM per Title 19 §904(a)(2). Class K extinguisher within 30 feet of commercial cooking equipment per CFC §906 and Title 19.
Local Amendments: SFFC §404.2.3.1 requires Fire Safety Director for buildings >75 feet. SFFC §1103.5.4 requires retroactive sprinkler installation in pre-1974 high-rises (phased to 2035). SFFC §508 imposes stricter Fire Command Center requirements. SFFC §510 requires ERCES per NFPA 1225-2022 Chapter 18.
Authority Having Jurisdiction
Licensed Providers
25 providers serve San Francisco
Chen B H
Chen B H operates in San Francisco with CSLB license 973578, holding C-4 Boiler, Hot Water Heating and Steam Fitting, C-16 Fire Protection, and C-36 Plumbing classifications since 2012. The company provides backflow testing, fire extinguisher service, fire sprinkler inspection and installation, and kitchen hood cleaning throughout the San Francisco metro area. Their multi-classification licensing enables them to handle integrated fire protection and plumbing systems under a single contractor relationship. Chen B H maintains a 5-star Google rating based on verified customer reviews, with current licensure verified through the California Contractors State License Board.
enhancedElectra Plumbing And Construction
Electra Plumbing And Construction, operating as Aura Fire Safety in San Francisco since 1997, holds General Building, Fire Protection, and Plumbing contractor classifications (B, C16, C36), enabling work across residential and commercial fire protection systems in the Bay Area. The company maintains a 4.7-star Google rating and specializes in fire sprinkler design and installation, kitchen hood suppression, backflow prevention testing, fire pump service, and emergency lighting installations. Their client portfolio spans hospitality venues, retail centers, educational institutions, and property management groups throughout the San Francisco metro area. CSLB license 472950 remains active and in good standing.
enhancedLutz Plumbing
Lutz Plumbing has served the San Francisco metro area since 1987, operating for over 37 years as a licensed corporation holding C16 Fire Protection, C20 Warm-Air Heating, Ventilating and Air-Conditioning, and C36 Plumbing classifications under license 503971. The company provides fire sprinkler installation and inspection, backflow testing, fire extinguisher service, and kitchen hood cleaning throughout the Bay Area. With a 4.9-star Google rating from 108 reviews, Lutz Plumbing maintains active CSLB licensing verified through the California Contractors State License Board's public records system.
enhancedLeong D & S Associates
Leong D & S Associates, operating as Aura Fire Safety, has provided fire protection services throughout the San Francisco Bay Area since 1991. The corporation holds multiple CSLB classifications (B, C-4, C16, C36) and specializes in fire sprinkler design and installation, fire alarm monitoring, kitchen hood suppression systems, backflow prevention testing, and emergency lighting services for both residential and commercial properties. Their client portfolio spans hospitality venues, retail centers, educational institutions, and property management groups across the region. With a 4.7 Google rating and over three decades of operational experience, the company maintains CSLB license 618294 in active standing.
enhancedBrown J E Company Mechanical Contractors
Brown J E Company Mechanical Contractors operates as a licensed corporation in San Francisco, holding C-4, C16, C36, and D12 classifications that authorize work across backflow testing, fire extinguisher service, fire sprinkler inspection and installation, and kitchen hood cleaning throughout the Bay Area. Since 1992, the company has maintained CSLB license 658273 while serving commercial and industrial clients requiring code-compliant mechanical and fire protection systems. Customer feedback reflects a 5.0 Google rating based on five reviews, indicating consistent service execution across their multiple specialty areas. Their multi-classification status allows coordinated project delivery for facilities needing integrated fire safety and mechanical ventilation work under a single contractor.
enhancedHong Wei Construction
Hong Wei Construction, operating as HA Fire Protection, is a family-run fire safety contractor serving the San Francisco Bay Area with over 35 years of combined experience across three generations. Holding CSLB licenses in B, C10, C16, and C36 classifications, the company provides fire sprinkler inspection and installation, fire alarm services, backflow testing, fire extinguisher service, and specialized kitchen hood suppression systems for restaurants and food trucks. Led by Daniel, Annie, and their son Allen from their San Francisco location on Tingley Street, the business maintains a 3.7 Google rating and extends coverage throughout the greater Bay Area and Sacramento metro region. Their C-16 license 1024521 reflects their specialized expertise in fire protection systems across commercial and residential applications.
enhancedFrequently Asked Questions
How often is backflow testing required in San Francisco?
San Francisco requires backflow testing once per year per CCCPH §3.3.3; CA H&S Code §116800; San Francisco Health Code Article 12A; SFPUC Rules and Regulations Governing Water Service to Customers, Section G — Cross-Connection Control (effective September 9, 2025); CCCPH (effective July 1, 2024); California Health & Safety Code §116800. The deadline type is rolling, with a deadline of 12 months from last passing test.
Who is the AHJ for backflow testing in San Francisco?
The Authority Having Jurisdiction (AHJ) for backflow testing in San Francisco is the San Francisco Fire Department, Bureau of Fire Prevention. The AHJ reviews inspection reports, issues violations, and has final authority over code interpretation. Contact the fire marshal, Chad Law, for questions.
What happens if I miss a backflow testing deadline in San Francisco?
Missing a backflow testing deadline in San Francisco can result in Enforced by SFPUC (Water Quality Division). Citations up to $1,000/violation/day; each continuing day is a separate violation. 7-day written notice for unprotected cross-connections; water service termination if not abated. High-risk hazards: immediate shutoff without prior notice. Test reports due within 5 calendar days; failed tests reported by close of business same day. Tester must hold valid SFPUC Permit to Operate (CA-NV AWWA or ASSE cert, $2M liability insurance, calibrated test kit). All enforcement costs recoverable via water bill. The penalty severity is classified as high.
What edition of NFPA 10 does San Francisco enforce?
San Francisco enforces the 2018 edition of NFPA 10. The current published edition is 2022. Adopted through California Fire Code (Title 24 CCR Part 9, 2025 edition) §906 adopts NFPA 10 requirements. Title 19 Division 1 Chapter 3 (§§565-617) constitutes California's independent extinguisher standard governing maintenance intervals, licensing, and tagging..
Data current as of April 2026