Licensed Contractors in Thousand Oaks, 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
(336)
A: General Engineering Contractor
(30)
B-2: Residential Remodeling Contractor
(3)
Specialty Contractors
C-10: Electrical Contractor
(93)
C-36: Plumbing Contractor
(55)
C-33: Painting and Decorating Contractor
(39)
C-27: Landscaping Contractor
(36)
C-8: Concrete Contractor
(19)
C-39: Roofing Contractor
(15)
C-53: Swimming Pool Contractor
(15)
C-20: Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor
(15)
C-15: Flooring and Floor Covering Contractor
(15)
C-7: Low Voltage Systems Contractor
(13)
The E & C Company Inc
Active
License #456288
B
Thousand Oaks, CA
Est. 1984
John Oliver Construction
Active
License #456352
B
Thousand Oaks, CA
Est. 1984
La Porta & Spragg
Active
License #462673
C-33
Thousand Oaks, CA
Est. 1984
M D Structural Contractors
Active
License #463307
A, D34
Thousand Oaks, CA
Est. 1984
Allen Construction Inc
Active
License #464747
B
Thousand Oaks, CA
Est. 1984
R R Construction
Active
License #471277
B
Thousand Oaks, CA
Est. 1985
Manos Landscape Llc
Active
License #471789
C-27, C-29
Thousand Oaks, CA
Est. 1985
Thomas E Foster
Active
License #474043
B
Thousand Oaks, CA
Est. 1985
Shumar Hardwood Floors
Active
License #475094
C-15
Thousand Oaks, CA
Est. 1985
N R G C Contractors
Active
License #475746
B, C-10
Thousand Oaks, CA
Est. 1985
Oz Construction
Active
License #476115
B
Thousand Oaks, CA
Est. 1985
Crystal Builders
Active
License #477163
B
Thousand Oaks, CA
Est. 1985
M G Plumbing Inc
Active
License #477562
C-36
Thousand Oaks, CA
Est. 1985
License #480905
C-7, C-10 +1 more
Thousand Oaks, CA
Est. 1985
Sandlin Construction Inc
Active
License #481293
B
Thousand Oaks, CA
Est. 1985
Mike Sopko
Active
License #481337
B
Thousand Oaks, CA
Est. 1985
License #482635
C-7, D28
Thousand Oaks, CA
Est. 1985
Westlan Construction
Active
License #483418
B, C-10
Thousand Oaks, CA
Est. 1985
Bradley A Geiser
Active
License #484727
C-36
Thousand Oaks, CA
Est. 1985
License #486253
C-20
Thousand Oaks, CA
Est. 1986
Barr Haus Painting Inc
Active
License #488342
C-33
Thousand Oaks, CA
Est. 1986
Raymond A Fuess
Active
License #488449
B
Thousand Oaks, CA
Est. 1986
Martin Construction
Active
License #488732
B
Thousand Oaks, CA
Est. 1986
Joseph Moore
Active
License #490855
B
Thousand Oaks, CA
Est. 1986
License #492394
B
Thousand Oaks, CA
Est. 1986
Douglas Wade Warner
Active
License #497676
B
Thousand Oaks, CA
Est. 1986
W W And Son Electric Inc
Active
License #497838
C-10
Thousand Oaks, CA
Est. 1986
Cali-U S A Acoustics Inc
Active
License #500880
B, C-2 +2 more
Thousand Oaks, CA
Est. 1986
The Howard Electric Company
Active
License #501388
C-10
Thousand Oaks, CA
Est. 1986
T And R Carpentry Inc
Active
License #503583
B, C-6
Thousand Oaks, CA
Est. 1987
License #510618
C-17
Thousand Oaks, CA
Est. 1987
Robert Joseph Pavone
Active
License #512593
B, C-10
Thousand Oaks, CA
Est. 1987
Lyt Electric
Active
License #513018
C-10
Thousand Oaks, CA
Est. 1987
Frank D Balzer
Active
License #514244
B
Thousand Oaks, CA
Est. 1987
Dury Custom Carpentry L T D
Active
License #515492
B
Thousand Oaks, CA
Est. 1987
P S I
Active
License #522475
C-13, C-46 +1 more
Thousand Oaks, CA
Est. 1988
License #524314
C-33
Thousand Oaks, CA
Est. 1988
License #526519
C-10
Thousand Oaks, CA
Est. 1988
M W B Construction
Active
License #528367
B
Thousand Oaks, CA
Est. 1988
Certified
Active
License #529251
B
Thousand Oaks, CA
Est. 1988
Paul Kale Electric Inc
Active
License #531292
C-10
Thousand Oaks, CA
Est. 1988
License #534124
C-27
Thousand Oaks, CA
Est. 1988
Mcdermott Construction Inc
Active
License #536230
B
Thousand Oaks, CA
Est. 1988
Donatoni Construction Co
Active
License #536328
B, C-54
Thousand Oaks, CA
Est. 1988
Jerry'S Plumbing
Active
License #537691
C-36
Thousand Oaks, CA
Est. 1988
Pacific Coast Concrete
Active
License #538252
C-8
Thousand Oaks, CA
Est. 1988
License #539225
B
Thousand Oaks, CA
Est. 1988
License #539286
C-7
Thousand Oaks, CA
Est. 1988
License #539642
B
Thousand Oaks, CA
Est. 1988
R B Construction
Active
License #540333
B
Thousand Oaks, CA
Est. 1988