Licensed Contractors in South San Francisco, California
South San Francisco has 405 licensed contractors registered with the California Contractors State License Board across 51 trade classifications. The most common specialties are Electrical Contractor (54), Plumbing Contractor (50), Painting and Decorating Contractor (31). 206 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: February 20, 2026.
Contractors by Classification
General Contractors
Specialty Contractors
C-10: Electrical Contractor
(54)
C-36: Plumbing Contractor
(50)
C-33: Painting and Decorating Contractor
(31)
C-20: Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor
(17)
C-39: Roofing Contractor
(17)
C-54: Ceramic and Mosaic Tile Contractor
(13)
C-15: Flooring and Floor Covering Contractor
(11)
C-7: Low Voltage Systems Contractor
(10)
D28: Doors, Gates and Activating Devices
(10)
C-9: Drywall Contractor
(9)
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
License #262024
C-10
South San Francisco, CA
Est. 1970
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
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
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
License #430548
C-36
South San Francisco, CA
Est. 1982
License #431408
B, D52
South San Francisco, CA
Est. 1982
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
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
License #496117
B, C-29 +2 more
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
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
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
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
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
Andre M Larricq Construction
Active
License #628911
B
South San Francisco, CA
Est. 1991
Elite Builders
Active
License #634608
B
South San Francisco, CA
Est. 1992