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Licensed General Contractors in Thousand Oaks, California

Updated November 1, 2026 from CSLB's public license file · B General Building Contractor

  • 333licensed general contractors
  • 320active (Clear)
  • 3.9%with a suspension
  • 61.6%workers' comp exempt
  • 19.2 yrsmedian time licensed
  • 53.5%corp / LLC / partnership (46.5% sole owner)
  • 17new in the last 12 months
  • —change tracking began November 1, 2026

Thousand Oaks is home to 333 general contractors in CSLB's license file, ranking #3 of 14 Ventura County cities for this trade. 96.1% are Clear.

The share with a suspension (3.9%) is close to the Ventura County rate for the same license (4.1%). 61.6% report a workers' comp exemption, 3.9 points higher than the statewide figure for general contractors (57.7%), so many of these businesses say they have no employees.

The median general contractor here has held a license for 19.2 years (more than the statewide median of 15.3), and 17 licenses were issued in the last 12 months.

General contractors hold CSLB's B (General Building Contractor) license, which covers projects that combine two or more unrelated trades. See the B General Building Contractor guide for what the license covers.

How to check a general contractor's license in Thousand Oaks

  1. Look the company up by name or license number (search Thousand Oaks). On the profile, confirm three things: Clear status, the B license for this kind of work, and a contractor's bond on file.
  2. Re-check the same number on CSLB's Instant License Check the day you sign; our copy is refreshed weekly and 3.9% of Thousand Oaks listings here already show a suspension.
  3. Match the license holder's name to the name on the written contract and the person you meet. Since 61.6% of Thousand Oaks general contractors claim a workers' comp exemption, ask who will actually do the work. Hiring checklist.

50 of 333 general contractors in Thousand Oaks

Thousand Oaks general contractors sorted with Clear licenses first, then by years licensed. Badges reflect CSLB's file dated November 1, 2026, not a rating of anyone's work.

Licensed general contractors in Thousand Oaks
Business nameLicense #StatusYearsWorkers' compBond
Haslam Kimball 184477 Clear 67 Exempt On file
Northridge Floor Corp 189665 Clear 66 Insured On file
Ryan Construction INC 264935 Clear 56 Insured On file
Cohen M V Construction 268805 Clear 55 Exempt On file
Sam I Am Unlimited 316874 Clear 50 Exempt On file
Troiano Robert Michael 321815 Clear 50 Exempt On file
Mc Nee George Conaway JR 332803 Clear 49 Exempt On file
Greding Precision Striping 340896 Clear 49 Exempt On file
Stephenson R & Sons INC 346772 Clear 49 Exempt On file
Garrett Mark 355101 Clear 48 Exempt On file
Sampson Construction INC 356122 Clear 48 Exempt On file
Mulick Construction and Design INC 372231 Clear 47 Exempt On file
Lorentson Custom Builders LLC 376480 Clear 47 Exempt On file
Nunneley Construction INC 375858 Clear 47 Insured On file
Adamick John Stanley 383284 Clear 47 Insured On file
Dee Robert M Associates 384279 Clear 47 Insured On file
Hard Rock Grinding and Rentals 396402 Clear 45 Exempt On file
Steinert Construction 401577 Clear 45 Exempt On file
A T M Construction 415539 Clear 44 Exempt On file
Robert Ira Schwartz 417412 Clear 44 Exempt On file
Adams George R 424927 Clear 44 Exempt On file
C C CO 427679 Clear 44 Exempt On file
Erieg Steve Construction 438581 Clear 43 Exempt On file
Dinkel Jonathan Construction 446935 Clear 43 Exempt On file
E & C Company INC the 456288 Clear 42 Exempt On file
Oliver John Construction 456352 Clear 42 Insured On file
Allen Construction INC 464747 Clear 42 Insured On file
Foster Thomas E 474043 Clear 41 Insured On file
Crystal Builders 477163 Clear 41 Exempt On file
N R G C Contractors 475746 Clear 41 Exempt On file
Oz Construction 476115 Clear 41 Exempt On file
Sopko Mike 481337 Clear 41 Exempt On file
Westlan Construction 483418 Clear 40 Insured On file
Fuess Raymond A 488449 Clear 40 Exempt On file
Martin Construction 488732 Clear 40 Exempt On file
Moore Joseph 490855 Clear 40 Exempt On file
Parnell K C General Contractor 492394 Clear 40 Exempt On file
Warner Douglas Wade 497676 Clear 40 Insured On file
Cali-U S A Acoustics INC 500880 Clear 40 Insured On file
Pavone Robert Joseph 512593 Clear 39 Insured On file
Balzer Frank D 514244 Clear 39 Exempt On file
Dury Custom Carpentry L T D 515492 Clear 39 Exempt On file
Certified 529251 Clear 38 Exempt On file
M W B Construction 528367 Clear 38 Exempt On file
Donatoni Construction CO 536328 Clear 38 Insured On file
McDermott Construction INC 536230 Clear 38 Insured On file
Fortune Companies Management Corp 539225 Clear 38 Insured On file
Larry Benson Construction INC 539642 Clear 38 None On file
R B Construction 540333 Clear 38 Exempt On file
Davis John JR Construction INC 561624 Clear 37 Insured On file

See all 333 general contractors in Thousand Oaks

Source: CSLB public data · Updated November 1, 2026 Status can change at any time. Verify on CSLB's Instant License Check.

Frequently asked questions

How many licensed general contractors are in Thousand Oaks?

CSLB's current public file lists 333 general contractors with a Thousand Oaks mailing address. 320 have a Clear status, and 88.6% show no issues at all in the file (no suspension, no pending action, bond on file, not near expiration).

What license does a general contractor need in California?

General contractors hold CSLB's B (General Building Contractor) license, which covers projects that combine two or more unrelated trades. Any job of $1,000 or more in labor and materials needs a licensed contractor. Read our guide to the $1,000 rule.

How do I check a general contractor's workers' comp?

Open the contractor's profile here to see the workers' comp type and insurer from CSLB's file. In Thousand Oaks, 38.1% of general contractors list a policy, 61.6% claim an exemption and 0.3% show no current coverage. Confirm the policy with CSLB's workers' comp search before work starts. How to check workers' comp.

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Guides