Licensed Contractors in San Francisco, California
All license data is sourced from the California Contractors State License Board (CSLB). Last data update: February 20, 2026.
Contractors by Classification
General Contractors
B: General Building Contractor
(2365)
A: General Engineering Contractor
(328)
B-2: Residential Remodeling Contractor
(17)
Specialty Contractors
C-10: Electrical Contractor
(579)
C-36: Plumbing Contractor
(449)
C-33: Painting and Decorating Contractor
(315)
C-16: Fire Protection Contractor
(99)
C-27: Landscaping Contractor
(97)
C-20: Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor
(87)
C-15: Flooring and Floor Covering Contractor
(76)
C-39: Roofing Contractor
(75)
C-17: Glazing Contractor
(62)
C-54: Ceramic and Mosaic Tile Contractor
(61)
Rinaldi Construction Co Inc
Active
License #497873
B
San Francisco, CA
Est. 1986
Parodi Construction
Active
License #498395
B
San Francisco, CA
Est. 1986
Loon Hing Construction Co
Active
License #499229
B
San Francisco, CA
Est. 1986
Fong'S Cons & Plumbing
Active
License #499286
B, C-16 +1 more
San Francisco, CA
Est. 1986
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
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
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
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
License #516029
B
San Francisco, CA
Est. 1987
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
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
License #527011
B
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
San Francisco Building Permits
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