Licensed Contractors in Clayton, 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
(83)
A: General Engineering Contractor
(15)
B-2: Residential Remodeling Contractor
(1)
Specialty Contractors
C-10: Electrical Contractor
(17)
C-27: Landscaping Contractor
(11)
C-33: Painting and Decorating Contractor
(11)
C-20: Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor
(7)
C-36: Plumbing Contractor
(6)
C-53: Swimming Pool Contractor
(6)
C-15: Flooring and Floor Covering Contractor
(4)
C-8: Concrete Contractor
(3)
C-2: Insulation and Acoustical Contractor
(3)
C-54: Ceramic and Mosaic Tile Contractor
(3)
License #981273
A, B +1 more
Clayton, CA
Est. 2013
Diablo Ridge Group Inc
Active
License #982132
B, C-54
Clayton, CA
Est. 2013
A To Z Electric Llc
Active
License #982591
C-10
Clayton, CA
Est. 2013
License #987689
B, C-27 +1 more
Clayton, CA
Est. 2013
License #992240
B
Clayton, CA
Est. 2014
411 Heating & Ac Llc
Active
License #993500
C-20
Clayton, CA
Est. 2014
Pond Constructors Inc
Active
License #1005084
B
Clayton, CA
Est. 2015
Patlyn Facility Repair Inc
Active
License #1006420
B
Clayton, CA
Est. 2015
Refit Construction
Active
License #1013827
B
Clayton, CA
Est. 2016
Southpaw Prefabrications Inc
Active
License #1018643
D34
Clayton, CA
Est. 2016
License #1019952
B
Clayton, CA
Est. 2016
C C T F Partners
Active
License #1020190
B
Clayton, CA
Est. 2016
License #1020568
B, C-15
Clayton, CA
Est. 2016
8 Angels Pro Concrete
Active
License #1023642
C-8
Clayton, CA
Est. 2017
Atlas Copco Compressors Llc
Active
License #1026819
D21
Clayton, CA
Est. 2017
License #1027629
C-51
Clayton, CA
Est. 2017
Christian Hvac
Active
License #1029082
B, C-2 +1 more
Clayton, CA
Est. 2017
License #1029581
B
Clayton, CA
Est. 2017
Covalt Communications
Active
License #1033840
C-7
Clayton, CA
Est. 2017
Prostone World Inc
Active
License #1040939
C-54
Clayton, CA
Est. 2018
Aaa Construction Management
Active
License #1042705
B
Clayton, CA
Est. 2018
J M L Construction
Active
License #1056117
B
Clayton, CA
Est. 2019
Built Icon
Active
License #1060193
B
Clayton, CA
Est. 2019
Giron Construction Company
Active
License #1065203
A, B
Clayton, CA
Est. 2020
Hunter-Brooke Builder
Active
License #1066098
B
Clayton, CA
Est. 2020
Pgra Construction
Active
License #1070660
B
Clayton, CA
Est. 2020
Odyssey Builders
Active
License #1071556
B
Clayton, CA
Est. 2020
Remodel Pro
Active
License #1071649
B
Clayton, CA
Est. 2020
Mk Masonry
Active
License #1075067
C-29
Clayton, CA
Est. 2021
Srk Electric
Active
License #1080918
C-10
Clayton, CA
Est. 2021
Ariel Hvac Solutions Inc
Active
License #1085951
C-20
Clayton, CA
Est. 2022
Iron Horse Door Company
Active
License #1095806
D28
Clayton, CA
Est. 2022
Big Valley Pipelines
Active
License #1099060
A
Clayton, CA
Est. 2022
Ahs Landscaping Inc
Active
License #1103285
C-27
Clayton, CA
Est. 2023
Eln Enterprises Inc
Active
License #1107858
A
Clayton, CA
Est. 2023
Probuilt Llc
Active
License #1116236
B
Clayton, CA
Est. 2024
Adu Crew Llc
Active
License #1139240
B
Clayton, CA
Est. 2025
Frisby Construction
Active
License #1140260
B
Clayton, CA
Est. 2025
Jp Construction
Active
License #1143523
B
Clayton, CA
Est. 2025
Digs
Active
License #1146889
A
Clayton, CA
Est. 2025
Cal Management Inc
Active
License #1148240
B
Clayton, CA
Est. 2025
The Workshop Co
Active
License #1149722
B
Clayton, CA
Est. 2026
Fosbery General Building Contractor
Suspended
License #585213
B
Clayton, CA
Est. 1990
Cv Floors Llc
Suspended
License #698180
C-15
Clayton, CA
Est. 1994
Gerald Vanderver'S Painting
Suspended
License #889787
C-33
Clayton, CA
Est. 2007
Robert Mills Construction
Suspended
License #933581
B, HAZ
Clayton, CA
Est. 2009
Morton Mechanical Inc
Suspended
License #1000829
C-20
Clayton, CA
Est. 2015
Porch Swing Homes Construction
Suspended
License #1054298
B, C-10
Clayton, CA
Est. 2019
Robert Mills
Suspended
License #1092126
C-10
Clayton, CA
Est. 2022
Rc General Construction
Suspended
License #1120131
B-2
Clayton, CA
Est. 2024