ENRUES

Block 12 Construction

Block 12 Construction is a California corporation based in San Francisco (San Francisco County) with contractor license #1033146 (B), first issued in 2017. CSLB status on Nov 9, 2026: Active, no violations. From Jan 1, 2025 to Nov 8, 2026, building departments recorded 3 permits under this name, 3 of them home projects (kitchen & bath, remodel & repair). The latest permit is from Jun 12, 2026. The license lists a contractor bond and workers' compensation coverage.

3permits 2025–26
3home-project permits
9years licensed
Jun 12, 2026latest permit

(415) 508-4220

Business phone (CSLB)

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License

License #1033146
StatusActive, no violations
ClassesB
Business typecorporation
Issued / ExpiresNov 20, 2017 / Feb 29, 2028
Contractor bondYes
Workers' compYes, on file
Based inSan Francisco, San Francisco County

Recent permits

DateWorkAreaDeclared valueStatus
Jun 12, 2026Remodel & repair94115 · Pacific Heights / Western Addition$42,500Finaled
Jan 15, 2026Kitchen & bath remodel94117 · Haight Ashbury / Hayes Valley$56,400Finaled
Aug 20, 2025Kitchen & bath remodel94116 · Sunset/Parkside / West of Twin Peaks$150,000Issued

Street addresses of homeowners are never shown.

Work on permits

Kitchen & bath remodel · 2 permitsRemodel & repair · 1 permit

Where they work

94116 · Sunset/Parkside / West of Twin Peaks · 1 permit94117 · Haight Ashbury / Hayes Valley · 1 permit94115 · Pacific Heights / Western Addition · 1 permit

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