ENRUES

Building Efficiency INC

Building Efficiency INC is a California corporation based in San Francisco (San Francisco County) with contractor license #947504 (ASB, B, C-10, C-20, C-36), first issued in 2010. CSLB status on Nov 9, 2026: Active, no violations. From Jan 1, 2025 to Nov 8, 2026, building departments recorded 2 permits under this name. The latest permit is from Oct 15, 2025. The license lists a contractor bond and workers' compensation coverage.

2permits 2025–26
0home-project permits
16years licensed
Oct 15, 2025latest permit

(415) 831-4535

Business phone (CSLB)

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License

License #947504
StatusActive, no violations
ClassesASB, B, C-10, C-20, C-36
Business typecorporation
Issued / ExpiresMay 18, 2010 / May 31, 2028
Contractor bondYes
Workers' compYes, on file
Based inSan Francisco, San Francisco County

Recent permits

DateWorkAreaDeclared valueStatus
Oct 15, 2025HVAC, plumbing & electrical94903 · San Rafael$8,528Issued
Jun 10, 2025HVAC, plumbing & electrical94941 · Mill Valley$54,069Issued

Street addresses of homeowners are never shown.

Work on permits

HVAC, plumbing & electrical · 2 permits

Where they work

94941 · Mill Valley · 1 permit94903 · San Rafael · 1 permit

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