Licensed Contractors in South San Francisco, California

South San Francisco has 406 licensed contractors registered with the California Contractors State License Board across 51 trade classifications. The most common specialties are Electrical Contractor (53), Plumbing Contractor (50), Painting and Decorating Contractor (30). 209 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 (226)
Electrical (64)
Painting (59)
Limited (52)
Plumbing (51)
Roofing (40)
HVAC (23)
Fire (12)
Landscaping (10)
Earthwork (8)
Welding (3)
Solar (2)
Patrick J Ruane Inc Active
License #146811 C-9, C-35 South San Francisco, CA Est. 1954
Ace Furnace Company Inc Active
License #235989 C-20 South San Francisco, CA Est. 1965
Bay City Garage Doors Active
License #260972 D28 South San Francisco, CA Est. 1969
Flowers Electric & Service Co Active
License #262024 C-10 South San Francisco, CA Est. 1970
Daniel Brosnan Construction Co Active
License #277392 B South San Francisco, CA Est. 1972
Crown Industrial Engineering Active
License #281290 D16, D21 +1 more South San Francisco, CA Est. 1973
Gino Rinaldi Inc Active
License #287169 C-54 South San Francisco, CA Est. 1973
Northern Sun Associates Inc Active
License #295897 B South San Francisco, CA Est. 1974
Dan'S Drilling Active
License #360768 C-13, D09 South San Francisco, CA Est. 1978
Fern Electric & Control Inc Active
License #361524 C-10 South San Francisco, CA Est. 1978
Interstate Grading And Paving Inc Active
License #366020 A, HAZ South San Francisco, CA Est. 1978
Hoem & Associates Inc Active
License #381718 C-15 South San Francisco, CA Est. 1979
A-1 Painting Inc Active
License #389891 C-33 South San Francisco, CA Est. 1980
J L Construction And Associates Incorporated Active
License #390886 B South San Francisco, CA Est. 1980
Bajada Electric Inc Active
License #409957 C-10 South San Francisco, CA Est. 1981
Shaughnessy Roofing Inc Active
License #410394 C-39 South San Francisco, CA Est. 1981
Central Roofing Company Active
License #412891 C-39 South San Francisco, CA Est. 1981
Steven Harris Glorit Plumbing Contractor Active
License #430548 C-36 South San Francisco, CA Est. 1982
Robert Raymond Lyshorn Dba Modern Pacific Active
License #431408 B, D52 South San Francisco, CA Est. 1982
Flowers Electric & Service Co Inc Active
License #434033 C-10 South San Francisco, CA Est. 1983
West Coast Electric Inc Active
License #434743 C-10 South San Francisco, CA Est. 1983
Fastrak Unlimited Active
License #454333 B South San Francisco, CA Est. 1984
Umili America Inc Active
License #454679 C-23, C-51 South San Francisco, CA Est. 1984
I A N Electric Active
License #462414 C-10 South San Francisco, CA Est. 1984
Dome Construction Corporation Active
License #464986 B South San Francisco, CA Est. 1984
Quality Painting Active
License #470815 C-33 South San Francisco, CA Est. 1985
Mike Mccurdy Roofing Inc Active
License #477152 C-39 South San Francisco, CA Est. 1985
C & J Roofing Company Inc Active
License #488204 C-39 South San Francisco, CA Est. 1986
Alpha Restoration And Waterproofing Active
License #496117 B, C-29 +2 more South San Francisco, CA Est. 1986
O'Connor Plumbing & Fire Protection Inc Active
License #498866 C-16, C-36 South San Francisco, CA Est. 1986
Finbarr O'Donoghue Active
License #505353 B, C-36 South San Francisco, CA Est. 1987
Sam'S Locksmith Active
License #510065 C-7, D16 South San Francisco, CA Est. 1987
Phillip E Miller Jr Active
License #510773 B South San Francisco, CA Est. 1987
Super Roofing Inc Active
License #519359 C-39 South San Francisco, CA Est. 1987
Lun Hong Wong General Building Contractor Active
License #522019 B South San Francisco, CA Est. 1987
Cal State Roofing Co Inc Active
License #530721 C-39 South San Francisco, CA Est. 1988
Woods Construction Active
License #533319 A, B South San Francisco, CA Est. 1988
Interior Design Services Active
License #545349 C-15, D52 South San Francisco, CA Est. 1988
Flynn Glass & Sash Active
License #548006 B, C-17 South San Francisco, CA Est. 1988
Mr Roofing Inc Active
License #566386 C-10, C-39 +1 more South San Francisco, CA Est. 1989
West Valley Structural Corp Active
License #570208 A, B South San Francisco, CA Est. 1989
Modern Times Custom Builders Inc Active
License #578646 B South San Francisco, CA Est. 1989
Brady Air Conditioning Inc Active
License #585882 C-4, C-16 +3 more South San Francisco, CA Est. 1990
Chemical Exhaust- Ventilation Cleaning Professionals Inc Active
License #592026 D62, D64 +1 more South San Francisco, CA Est. 1990
Hargens Inc Active
License #592325 B, C-20 +3 more South San Francisco, CA Est. 1990
S & R Drywall Incorporated Active
License #595258 C-9 South San Francisco, CA Est. 1990
J L E L Development Active
License #596390 B South San Francisco, CA Est. 1990
Quality Systems Installations Ltd Active
License #597671 D34 South San Francisco, CA Est. 1990
Royal Plumbing Service Active
License #609288 C-36 South San Francisco, CA Est. 1991
Hancock Construction Active
License #628525 B South San Francisco, CA Est. 1991

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Licensing Resources

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