Hammerhouse Construction

Hammerhouse Construction is a California corporation based in San Francisco (San Francisco County) with contractor license #804459 (B), first issued in 2002. 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, 1 of them home projects (patio cover & deck). The latest permit is from Apr 16, 2026. The license lists a contractor bond and an exemption from workers' compensation (no employees).

4permits 2025–26
1home-project permit
24years licensed
Apr 16, 2026latest permit

(415) 516-7399

Business phone (CSLB)

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License

License #804459
StatusActive, no violations
ClassesB
Business typecorporation
Issued / ExpiresFeb 21, 2002 / Jul 31, 2027
Contractor bondYes
Workers' compExempt (no employees)
Based inSan Francisco, San Francisco County

Recent permits

DateWorkAreaDeclared valueStatus
Apr 16, 2026Other permits94127 · West of Twin Peaks$7,360Finaled
Dec 23, 2025Other permits94127 · West of Twin Peaks$8,500Finaled
Oct 24, 2025Other permits94127 · West of Twin Peaks–Finaled
Aug 22, 2025Patio cover & deck94116 · Sunset/Parkside / West of Twin Peaks$154,000Issued

Street addresses of homeowners are never shown.

Work on permits

Other permits · 3 permits Patio cover & deck · 1 permit

Where they work

94127 · West of Twin Peaks · 3 permits94116 · Sunset/Parkside / West of Twin Peaks · 1 permit

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