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)
Finnegan Construction Co Inc
Active
License #377089
B
San Francisco, CA
Est. 1979
Watertight Restoration Inc
Active
License #380124
A, B +4 more
San Francisco, CA
Est. 1979
Rainbow Choy Hung & Co
Active
License #380786
C-10
San Francisco, CA
Est. 1979
Andrew H Lange
Active
License #387656
B, C-36
San Francisco, CA
Est. 1980
The Kenneth Paganini Company
Active
License #388866
C-10
San Francisco, CA
Est. 1980
License #389545
C-6
San Francisco, CA
Est. 1980
Joseph F Mannion Jr
Active
License #390381
A, ASB +3 more
San Francisco, CA
Est. 1980
Matthew P Leffers
Active
License #390912
B, C-36
San Francisco, CA
Est. 1980
License #390749
C-10
San Francisco, CA
Est. 1980
License #391802
C-10
San Francisco, CA
Est. 1980
Mdw Group Inc
Active
License #392190
ASB, B
San Francisco, CA
Est. 1980
License #392967
B, C-4 +3 more
San Francisco, CA
Est. 1980
Acme Roofing Company
Active
License #395398
C-39
San Francisco, CA
Est. 1980
Hardman-Riedell Construction
Active
License #397491
B
San Francisco, CA
Est. 1980
William E Marquardt
Active
License #396401
A, B +1 more
San Francisco, CA
Est. 1980
License #397429
C-36
San Francisco, CA
Est. 1980
Ian'S Painting
Active
License #399379
C-33
San Francisco, CA
Est. 1981
Dan Yu Carpet Co Inc
Active
License #400402
C-15
San Francisco, CA
Est. 1981
License #401047
C-10
San Francisco, CA
Est. 1981
Rohosky Associates
Active
License #402418
B
San Francisco, CA
Est. 1981
Western Builders
Active
License #402881
B
San Francisco, CA
Est. 1981
Commins Construction Co
Active
License #403734
B, C-36
San Francisco, CA
Est. 1981
Tcb Builders Incorporated
Active
License #403761
B
San Francisco, CA
Est. 1981
Rmr Construction Company
Active
License #404737
B
San Francisco, CA
Est. 1981
Carpet Contractors Inc
Active
License #404905
C-15
San Francisco, CA
Est. 1981
Tam'S
Active
License #406183
B
San Francisco, CA
Est. 1981
T S M
Active
License #407149
B
San Francisco, CA
Est. 1981
Patrick Joseph Stack
Active
License #410092
B
San Francisco, CA
Est. 1981
Mccormick Construction
Active
License #410218
B
San Francisco, CA
Est. 1981
Sun Sun Construction
Active
License #410660
B, C-10
San Francisco, CA
Est. 1981
License #411118
B, C-33 +2 more
San Francisco, CA
Est. 1981
Stan Plumbing
Active
License #410861
C-36
San Francisco, CA
Est. 1981
License #411190
C-13, D21 +1 more
San Francisco, CA
Est. 1981
Olea Plastering Inc
Active
License #411326
C-35
San Francisco, CA
Est. 1981
License #413299
C-20, C-43
San Francisco, CA
Est. 1981
Paul K Vou
Active
License #415124
B
San Francisco, CA
Est. 1981
Kyin Way Ngoon
Active
License #415669
B
San Francisco, CA
Est. 1981
Vintage Contractors Inc
Active
License #416130
A, C-12 +2 more
San Francisco, CA
Est. 1981
Anton Electric
Active
License #416945
B, C-10
San Francisco, CA
Est. 1982
American Terrazzo Co
Active
License #417185
C-15, C-29 +2 more
San Francisco, CA
Est. 1982
Ace Painting Inc
Active
License #417379
C-33
San Francisco, CA
Est. 1982
J W Electrical & Plumbing Co
Active
License #418061
B, C-10 +1 more
San Francisco, CA
Est. 1982
License #417996
A, B +3 more
San Francisco, CA
Est. 1982
Forever General Construction
Active
License #420280
B, C-10
San Francisco, CA
Est. 1982
License #421643
B
San Francisco, CA
Est. 1982
Lev'S Plumbing Co
Active
License #421774
C-16, C-36
San Francisco, CA
Est. 1982
Joseph Boscacci Electrical
Active
License #423160
C-10
San Francisco, CA
Est. 1982
Les T I Lin
Active
License #423204
C-10, C-38
San Francisco, CA
Est. 1982
Young Plumbing
Active
License #424147
B, C-36
San Francisco, CA
Est. 1982
Seastar Construction Company
Active
License #424337
B
San Francisco, CA
Est. 1982