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)
Steven Bruhns Active
License #534802 B, C-36 San Francisco, CA Est. 1988
Toyo Greenland Active
License #535241 B, C-27 San Francisco, CA Est. 1988
Sunny'S Plumbing Inc Active
License #536715 C-16, C-36 San Francisco, CA Est. 1988
Ricardo Le Roy Thomson Active
License #538021 B, C-36 San Francisco, CA Est. 1988
Brady Construction Active
License #539362 B San Francisco, CA Est. 1988
Hillan Horticultural Landscape Services Active
License #541147 C-27 San Francisco, CA Est. 1988
Unlimited Security Systems Active
License #541718 C-10, D16 San Francisco, CA Est. 1988
Patrick J Corkery General Contractor Active
License #541724 B San Francisco, CA Est. 1988
Michael Lo Construction & Plumbing Active
License #542091 B, C-36 San Francisco, CA Est. 1988
Seiko Construction Company Active
License #542225 B San Francisco, CA Est. 1988
Joseph Francis Lockary Active
License #542254 B San Francisco, CA Est. 1988
Douglas G Boven Active
License #542283 B San Francisco, CA Est. 1988
Badger Construction Active
License #542738 B San Francisco, CA Est. 1988
Michael Paul Murray Active
License #543421 B San Francisco, CA Est. 1988
Lung Fung Construction & Electrical Co Inc Active
License #543950 B San Francisco, CA Est. 1988
Advanced Design Active
License #544201 B San Francisco, CA Est. 1988
Louie Bing Shou Construction Active
License #544414 B San Francisco, CA Est. 1988
H Ansel Wettersten Construction And Design Active
License #545559 B San Francisco, CA Est. 1988
Vulcan Fire Protection Active
License #545635 C-16 San Francisco, CA Est. 1988
Finnerty Plumbing Active
License #545906 B, C-36 San Francisco, CA Est. 1988
Clay Hill Construction Active
License #546044 B San Francisco, CA Est. 1988
Terry Gamboa Active
License #546049 B San Francisco, CA Est. 1988
J C Metal Specialists Inc Active
License #546302 B, C-23 +1 more San Francisco, CA Est. 1988
Tam Woot Remodeling Active
License #547078 B San Francisco, CA Est. 1988
Zaven Daigian Active
License #547143 C-33 San Francisco, CA Est. 1988
Lalor Construction Inc Active
License #547650 B San Francisco, CA Est. 1988
Blue Bend Construction Inc Active
License #547711 B San Francisco, CA Est. 1988
Ng'S Landmark Building & Engineering Contractors Inc Active
License #547990 A, B San Francisco, CA Est. 1988
Specialty Communications Active
License #548176 C-7 San Francisco, CA Est. 1988
Michael P O'Neill Active
License #548609 B San Francisco, CA Est. 1988
Alex Kushner General Contractor Active
License #548789 A, B +1 more San Francisco, CA Est. 1988
Pass Active
License #548847 B San Francisco, CA Est. 1988
Answer Electric Inc Active
License #550202 B, C-10 San Francisco, CA Est. 1988
David Yuwoon Ho Active
License #551389 B San Francisco, CA Est. 1988
Toni'S Construction Inc Active
License #551504 B San Francisco, CA Est. 1988
Q S E Construction Active
License #552073 A, B +1 more San Francisco, CA Est. 1988
Cornelius Enterprise Active
License #552965 B, C-33 San Francisco, CA Est. 1989
Marina Electrical Contruction Active
License #553189 C-10 San Francisco, CA Est. 1989
Gucho Plumbing Active
License #554666 C-16, C-36 San Francisco, CA Est. 1989
Timberline Construction Company Active
License #556479 B San Francisco, CA Est. 1989
Brumfield Construction Active
License #556520 B San Francisco, CA Est. 1989
Northwest Demolition Inc Active
License #556976 A, B +1 more San Francisco, CA Est. 1989
Renstrom Plumbing & Heating Inc Active
License #556995 C-20, C-36 San Francisco, CA Est. 1989
John Kevin Swint Plumbing Company Active
License #557195 C-36 San Francisco, CA Est. 1989
Robert Leeds Fine Woodwork Active
License #557472 C-6 San Francisco, CA Est. 1989
Berco Active
License #557843 B, C-10 +1 more San Francisco, CA Est. 1989
Martin Heagney Active
License #557986 B San Francisco, CA Est. 1989
Tam'S Electric Inc Active
License #558739 C-10 San Francisco, CA Est. 1989
Balistreri Commercial Property Development Active
License #558940 B San Francisco, CA Est. 1989
Plumbarius Active
License #559115 C-16, C-36 San Francisco, CA Est. 1989

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Licensing Resources

How to verify a contractor license
Deposit and payment rules for California contracts
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