Trinity Building CO LLC

Trinity Building CO LLC is a California limited liability company based in San Francisco (San Francisco County) with contractor license #1002911 (B), first issued in 2015. CSLB status on Nov 9, 2026: Active, no violations. From Jan 1, 2025 to Nov 8, 2026, building departments recorded 4 permits under this name, 2 of them home projects (patio cover & deck). The latest permit is from Mar 2, 2026. The license lists a contractor bond and workers' compensation coverage.

4permits 2025–26
2home-project permits
11years licensed
Mar 2, 2026latest permit

(415) 857-1920

Business phone (CSLB)

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License

License #1002911
StatusActive, no violations
ClassesB
Business typelimited liability company
Issued / ExpiresApr 15, 2015 / Apr 30, 2027
Contractor bondYes
Workers' compYes, on file
Based inSan Francisco, San Francisco County

Recent permits

DateWorkAreaDeclared valueStatus
Mar 2, 2026Other permits94114 · Castro/Upper Market / Noe Valley–Finaled
Jan 21, 2026Other permits94110 · Mission / Bernal Heights–Finaled
Sep 15, 2025Patio cover & deck94114 · Castro/Upper Market / Noe Valley$10,000Finaled
May 21, 2025Patio cover & deck94114 · Castro/Upper Market / Noe Valley$280,000Finaled

Street addresses of homeowners are never shown.

Work on permits

Patio cover & deck · 2 permitsOther permits · 2 permits

Where they work

94114 · Castro/Upper Market / Noe Valley · 3 permits94110 · Mission / Bernal Heights · 1 permit

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