Licensed Contractors in Thousand Oaks, California

Thousand Oaks has 691 licensed contractors registered with the California Contractors State License Board across 59 trade classifications. The most common specialties are Electrical Contractor (93), Plumbing Contractor (55), Painting and Decorating Contractor (38). 369 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 (393)
Electrical (107)
Limited (76)
Painting (64)
Plumbing (58)
Landscaping (52)
Earthwork (36)
Roofing (29)
HVAC (21)
Fire (14)
Solar (4)
Welding (4)
Kimball Haslam Active
License #184477 B, D06 Thousand Oaks, CA Est. 1959
Northridge Floor Corp Active
License #189665 B, C-15 Thousand Oaks, CA Est. 1960
Ryan Construction Inc Active
License #264935 B Thousand Oaks, CA Est. 1970
M V Cohen Construction Active
License #268805 B, C-10 Thousand Oaks, CA Est. 1971
Steven J Houser Inc Active
License #298086 C-54 Thousand Oaks, CA Est. 1974
Asphalt Professionals Inc Active
License #303806 A, C-32 Thousand Oaks, CA Est. 1975
Total Comfort Systems Hvac Inc Active
License #315105 C-20 Thousand Oaks, CA Est. 1976
Sam I Am Unlimited Active
License #316874 B, C-27 Thousand Oaks, CA Est. 1976
George Conaway Mc Nee Jr Active
License #332803 B, C-15 +2 more Thousand Oaks, CA Est. 1977
Build Maliview Inc Active
License #338587 B Thousand Oaks, CA Est. 1977
Greding Precision Striping Active
License #340896 B, C-32 Thousand Oaks, CA Est. 1977
R Stephenson & Sons Inc Active
License #346772 B Thousand Oaks, CA Est. 1977
Kendall Sign Inc Active
License #350964 C-45 Thousand Oaks, CA Est. 1978
Lowman Electric Inc Active
License #353906 C-10 Thousand Oaks, CA Est. 1978
Mark Garrett Active
License #355101 B, C-6 Thousand Oaks, CA Est. 1978
Sampson Construction Inc Active
License #356122 B Thousand Oaks, CA Est. 1978
Benjamin Electric Active
License #366106 C-10 Thousand Oaks, CA Est. 1978
Mulick Construction And Design Inc Active
License #372231 B, C-10 Thousand Oaks, CA Est. 1979
Lorentson Custom Builders Llc Active
License #376480 B Thousand Oaks, CA Est. 1979
Nunneley Construction Inc Active
License #375858 B Thousand Oaks, CA Est. 1979
Allstate Pools & Spas Active
License #377945 C-53 Thousand Oaks, CA Est. 1979
John Stanley Adamick Active
License #383284 B Thousand Oaks, CA Est. 1979
Robert M Dee Associates Active
License #384279 B Thousand Oaks, CA Est. 1979
Claude A D'Souza Active
License #386432 ASB, C-20 +1 more Thousand Oaks, CA Est. 1979
Marsh Construction Inc Dba Hard Rock Grinding And Rentals Active
License #396402 B Thousand Oaks, CA Est. 1980
Richard Dean Mc Graw Dba Richard'S Plumbing Active
License #396343 C-36 Thousand Oaks, CA Est. 1980
Mc Ginley Electric Company Active
License #399728 C-10 Thousand Oaks, CA Est. 1981
The Asphalt Jungle Inc Active
License #400108 C-12 Thousand Oaks, CA Est. 1981
David H Snow Garden Designs Active
License #401170 C-27 Thousand Oaks, CA Est. 1981
Superior Painting Active
License #401746 C-33 Thousand Oaks, CA Est. 1981
Steinert Construction Active
License #401577 B Thousand Oaks, CA Est. 1981
Water Expressions Inc Active
License #403583 C-53 Thousand Oaks, CA Est. 1981
Patricia Zimmerman Active
License #411436 A Thousand Oaks, CA Est. 1981
Israel J Bronstein Active
License #412803 D42 Thousand Oaks, CA Est. 1981
A T M Construction Active
License #415539 B Thousand Oaks, CA Est. 1981
Wisneski Painting Inc Active
License #416739 C-33 Thousand Oaks, CA Est. 1982
Robert Ira Schwartz Active
License #417412 B Thousand Oaks, CA Est. 1982
George R Adams Active
License #424927 B Thousand Oaks, CA Est. 1982
C C Co Active
License #427679 B Thousand Oaks, CA Est. 1982
Wallock & Maggio Inc Active
License #428408 C-8, D06 +1 more Thousand Oaks, CA Est. 1982
Guy Brian Electric Lighting Services Company Active
License #430099 C-10 Thousand Oaks, CA Est. 1982
Jfc Plumbing Inc Active
License #437545 C-36 Thousand Oaks, CA Est. 1983
Steve Erieg Construction Active
License #438581 B, C-9 Thousand Oaks, CA Est. 1983
R G Electric Active
License #439824 C-10 Thousand Oaks, CA Est. 1983
D & M Sheet Metal Active
License #439533 C-43 Thousand Oaks, CA Est. 1983
Sunset Landscaping Active
License #440979 C-8, C-27 Thousand Oaks, CA Est. 1983
Robbin Cutenese Active
License #441170 C-33 Thousand Oaks, CA Est. 1983
A M Concrete Incorporated Active
License #446850 A, C-8 Thousand Oaks, CA Est. 1983
Jonathan Dinkel Construction Active
License #446935 B Thousand Oaks, CA Est. 1983
Bob Roberts Active
License #451452 C-36 Thousand Oaks, CA Est. 1984

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Licensing Resources

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