Licensed Contractors in San Francisco, California

All license data is sourced from the California Contractors State License Board (CSLB). Last data update: April 05, 2026.

Contractors by Trade

Building (2795)
Electrical (642)
Painting (474)
Plumbing (467)
Limited (182)
Fire (169)
Roofing (167)
HVAC (161)
Landscaping (99)
Earthwork (86)
Welding (57)
Solar (18)
Alfred Bay Inc Active
License #499722 B San Francisco, CA Est. 1986
John J Sullivan & Co Inc Active
License #500256 B San Francisco, CA Est. 1986
K-Plumbing & Construction Active
License #500487 B, C-10 +1 more San Francisco, CA Est. 1986
C S I Customer Service General Contracting Inc Active
License #502942 A, B +1 more San Francisco, CA Est. 1986
Dj Construction Co Active
License #503582 B San Francisco, CA Est. 1987
Lutz Plumbing Inc Active
License #503971 C-16, C-20 +1 more San Francisco, CA Est. 1987
Der Construction Active
License #505745 B San Francisco, CA Est. 1987
Loi Electric Active
License #507233 B, C-10 San Francisco, CA Est. 1987
Alonso Tile Company Active
License #507501 C-54, D12 San Francisco, CA Est. 1987
Scott Scherer Construction Inc Active
License #507694 B, C-27 San Francisco, CA Est. 1987
Mackenzie Construction Active
License #508694 B San Francisco, CA Est. 1987
Quinlan Construction Active
License #509073 B, C-10 San Francisco, CA Est. 1987
Trico Construction Active
License #510127 A, B +3 more San Francisco, CA Est. 1987
Shea Electric Active
License #510337 C-10 San Francisco, CA Est. 1987
M Gaehwiler Construction Inc Active
License #510649 B, C-4 +1 more San Francisco, CA Est. 1987
Scott & Brothers Construction Active
License #511040 B San Francisco, CA Est. 1987
Benkee Electrical & Const Co Active
License #511843 B, C-10 +1 more San Francisco, CA Est. 1987
J-T A C Corp Active
License #512826 B San Francisco, CA Est. 1987
Carney'S Plastering Active
License #512990 C-35 San Francisco, CA Est. 1987
Ahn House Corporation Active
License #513313 C-39, C-43 San Francisco, CA Est. 1987
1 Original Construction Inc Active
License #515977 B San Francisco, CA Est. 1987
Foxtail Hill Windows & Doors Inc Active
License #516029 B San Francisco, CA Est. 1987
Eldar Design And Construction Inc Active
License #516373 B San Francisco, CA Est. 1987
Fay Tat Construction Co Active
License #516677 B San Francisco, CA Est. 1987
H Chen'S Plumbing Active
License #516866 C-4, C-16 +1 more San Francisco, CA Est. 1987
King General Contracting Active
License #517349 B San Francisco, CA Est. 1987
J L Construction Active
License #517511 B San Francisco, CA Est. 1987
J L Electric Construction Co Active
License #519079 B, C-10 San Francisco, CA Est. 1987
Seto Electric Active
License #519136 C-10 San Francisco, CA Est. 1987
C M Construction Company Active
License #520064 A, B +2 more San Francisco, CA Est. 1987
Stephen Scholten Active
License #520796 B San Francisco, CA Est. 1987
Szeto Construction Active
License #521996 B San Francisco, CA Est. 1987
A & E Electric Active
License #522000 C-10 San Francisco, CA Est. 1987
Oltranti Construction Company Inc Active
License #523518 B San Francisco, CA Est. 1988
Frank Zip Active
License #524339 B San Francisco, CA Est. 1988
U L Roofing Inc Active
License #524568 C-39 San Francisco, CA Est. 1988
K C Glass Inc Active
License #524592 C-17 San Francisco, CA Est. 1988
R A D Building & Design Active
License #526361 B San Francisco, CA Est. 1988
Wai Kwong Chia Active
License #526404 B, C-10 +2 more San Francisco, CA Est. 1988
Peter G Low Active
License #527465 B, C-33 San Francisco, CA Est. 1988
Margaret E Mori Active
License #527814 C-27 San Francisco, CA Est. 1988
E H J Construction Inc Active
License #530570 A, B San Francisco, CA Est. 1988
Family Construction Company Active
License #530574 B San Francisco, CA Est. 1988
Kolby Development Company Active
License #530673 B San Francisco, CA Est. 1988
Value Fire Protection Inc Active
License #531199 C-16 San Francisco, CA Est. 1988
Grand Roofing Inc Active
License #533105 C-39 San Francisco, CA Est. 1988
Kyle Mc Ewen Electrical Contracting Active
License #533287 C-10 San Francisco, CA Est. 1988
Ct Construction Active
License #533324 B San Francisco, CA Est. 1988
Sequoia Plumbing Active
License #533337 C-36 San Francisco, CA Est. 1988
Tom'S Construction Company Active
License #533739 B San Francisco, CA Est. 1988

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Licensing Resources

How to verify a contractor license
Deposit and payment rules for California contracts
Home improvement contract requirements

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