Licensed Contractors in San Francisco, California

San Francisco has 3,906 licensed contractors registered with the California Contractors State License Board across 72 trade classifications. The most common specialties are Electrical Contractor (577), Plumbing Contractor (452), Painting and Decorating Contractor (317). Over 2,700 contractors hold general contractor licenses (Class A or B).

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)
Decker Electric Co Inc Active
License #3779 C-10 San Francisco, CA Est. 1929
M G West Company Active
License #6531 C-15, D34 San Francisco, CA Est. 1929
Anderson Rowe & Buckley Inc Active
License #91594 C-2, C-4 +6 more San Francisco, CA Est. 1947
Dwan Elevator Co Active
License #140423 C-11 San Francisco, CA Est. 1953
Rainbow Waterproofing & Restoration Co Active
License #148753 A, B +3 more San Francisco, CA Est. 1954
Herrero Builders Incorporated Active
License #152980 B San Francisco, CA Est. 1955
C R Reichel Engineering Co Inc Active
License #169169 C-4, C-10 +5 more San Francisco, CA Est. 1957
Cornely Company Active
License #171203 C-4, C-10 +1 more San Francisco, CA Est. 1957
Sheedy Drayage Co Active
License #180029 A, D21 +1 more San Francisco, CA Est. 1958
Lewis M Merlo Inc Active
License #184527 A, B +3 more San Francisco, CA Est. 1959
Sf Sierra Co Inc Dba Sierra Electric Co Active
License #184594 B, C-10 San Francisco, CA Est. 1959
Broucaret Landscaping Active
License #190234 C-27 San Francisco, CA Est. 1960
Conklin Bros Inc Active
License #193068 C-15 San Francisco, CA Est. 1960
Abco Mechanical Contractors Inc Active
License #209064 C-4, C-20 +1 more San Francisco, CA Est. 1962
Armstrong Carpet & Linoleum Co Active
License #218501 C-15 San Francisco, CA Est. 1963
Golden Gate Glass & Mirror Co Inc Active
License #228354 C-17 San Francisco, CA Est. 1964
Rossi Builders Inc Active
License #229568 B San Francisco, CA Est. 1964
Nibbi Bros Inc Active
License #232019 A, ASB +1 more San Francisco, CA Est. 1965
John Brennan Company Inc Active
License #233608 B San Francisco, CA Est. 1965
Molloy Construction Company Active
License #244274 B San Francisco, CA Est. 1966
Ronald R Nelson Contractor Inc Active
License #247431 A, C-8 San Francisco, CA Est. 1967
Mc Clure Electric Inc Active
License #248877 C-10 San Francisco, CA Est. 1967
Byington Electric Active
License #253479 C-10 San Francisco, CA Est. 1968
Timothy C Woo Active
License #255051 C-10 San Francisco, CA Est. 1968
Dareway Const Co Active
License #255197 B San Francisco, CA Est. 1968
Titov Builders Active
License #256380 B San Francisco, CA Est. 1969
Robert Yick Company Inc Active
License #259281 B, C-20 +1 more San Francisco, CA Est. 1969
Malcolm Drilling Company Inc Active
License #259543 A, C-57 +1 more San Francisco, CA Est. 1969
Progress Glass Co Inc Active
License #261170 C-17 San Francisco, CA Est. 1970
Pump Repair Service Co Active
License #263997 A, D21 San Francisco, CA Est. 1970
K Brunner & Associates Inc Active
License #266714 B San Francisco, CA Est. 1970
Mc Millan Electric Active
License #268179 B, C-10 San Francisco, CA Est. 1971
Pacific Automatic Sprinkler Co Active
License #271825 B, C-16 San Francisco, CA Est. 1971
Anthony Costagli Painting Contractor Active
License #276496 C-33 San Francisco, CA Est. 1972
Howe Furnace Company Inc Active
License #278286 C-20 San Francisco, CA Est. 1972
Joseph C Sand Co Inc Active
License #280333 C-4, C-36 +2 more San Francisco, CA Est. 1972
At6 Architecture + Design Build Active
License #283485 B San Francisco, CA Est. 1973
Kum Lun Wong Construction Co Active
License #284664 B San Francisco, CA Est. 1973
Thomas W Creedon Active
License #290746 B, C-10 +4 more San Francisco, CA Est. 1974
Bayview Construction Engineers Active
License #292388 A San Francisco, CA Est. 1974
D G Construction Co Active
License #297604 B, C-36 San Francisco, CA Est. 1974
Anthony Varni Active
License #298680 B San Francisco, CA Est. 1974
Lea Electric Active
License #299971 C-10 San Francisco, CA Est. 1974
Cahill Contractors Inc Active
License #300647 A, B San Francisco, CA Est. 1974
Century Electric Const Co Active
License #300955 C-10 San Francisco, CA Est. 1974
Bob Buckter Color Consultant Active
License #301433 C-33 San Francisco, CA Est. 1974
Delancey Street California Active
License #304320 B San Francisco, CA Est. 1975
Holec Electric Active
License #304999 C-10 San Francisco, CA Est. 1975
Field Construction Inc Active
License #306094 B San Francisco, CA Est. 1975
William B Mayta Active
License #309708 B San Francisco, CA Est. 1975

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