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Best Licensed General Contractors in Thousand Oaks, CA

278 general contractors registered in Thousand Oaks hold current CSLB licenses, verified against official records as of August 22, 2026. The 8 below are the top-ranked, ordered by workers' compensation cover and years licensed.

How we chose: We identified 278 companies registered in Thousand Oaks. 278 passed license verification. The 8 below are the top-ranked of those. Our methodology

We earn a fee when you call businesses through numbers on this site. This never affects who is listed or how they rank.

  1. 1.Northridge Floor Corp

    ✓ CSLB License #189665 - look up this number at CSLB
    Verified
    August 22, 2026
    Licensed since
    1960
    Phone
    (818) 349-3672

  2. 2.Ryan Construction Inc.

    ✓ CSLB License #264935 - look up this number at CSLB
    Verified
    August 22, 2026
    Licensed since
    1970
    Phone
    (818) 612-0465

  3. 3.Nunneley Construction Inc.

    ✓ CSLB License #375858 - look up this number at CSLB
    Verified
    August 22, 2026
    Licensed since
    1979
    Phone
    (310) 488-1153

  4. 4.Robert M Dee Associates

    ✓ CSLB License #384279 - look up this number at CSLB
    Verified
    August 22, 2026
    Licensed since
    1979
    Phone
    (805) 529-2413

  5. 5.Steinert Construction

    ✓ CSLB License #401577 - look up this number at CSLB
    Verified
    August 22, 2026
    Licensed since
    1981
    Phone
    (310) 991-2660

  6. 6.John Oliver Construction

    ✓ CSLB License #456352 - look up this number at CSLB
    Verified
    August 22, 2026
    Licensed since
    1984
    Phone
    (818) 335-7993

  7. 7.Sandlin Construction Inc.

    ✓ CSLB License #481293 - look up this number at CSLB
    Verified
    August 22, 2026
    Licensed since
    1985
    Phone
    (805) 279-7655

  8. 8.Westlan Construction

    ✓ CSLB License #483418 - look up this number at CSLB
    Verified
    August 22, 2026
    Licensed since
    1985
    Phone
    (310) 466-8627

Compare the top 6 at a glance

CompanyLicenseWorkers' compLicensed since
Northridge Floor Corp#189665On file1960
Ryan Construction Inc.#264935On file1970
Nunneley Construction Inc.#375858On file1979
Robert M Dee Associates#384279On file1979
Steinert Construction#401577Exempt or none on file1981
John Oliver Construction#456352On file1984

Ventura County general building licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 2,311 active B general building contractor licenses in Ventura County, 286 of them registered in Thousand Oaks. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Thousand Oaks license has been held 17 years, and the longest-standing one dates to 1960. 111 of Thousand Oaks's 286 licenses (38.8%) carry current workers' compensation cover in CSLB's file. That is employee injury cover, not liability insurance, and a blank usually means an owner-operator with no employees - lawful, and not a mark against anyone. The contractor bond is not a signal here: 2,311 of the county's 2,311 licenses carry the same $25,000 bond California sets by statute. 210 county licenses reach their expiration date within the next 90 days. CSLB cannot link straight to a license record, so every listing above shows its number for you to type into CSLB's license lookup. How we verify.

General Contractors in Thousand Oaks: common questions

How many licensed general contractors are there in Thousand Oaks?

286 active B general building contractor licenses are registered in Thousand Oaks, out of 2,311 across Ventura County. 278 Thousand Oaks-registered companies passed our license verification, and the 8 on this page are the top-ranked of those. Only licenses CSLB shows as CLEAR and unexpired are listed.

Does California license general contractors?

Yes. California licenses contractors by classification, and B is the CSLB classification that authorises this work. 286 active B general building contractor licenses are registered in Thousand Oaks and 2,311 across Ventura County, the longest-standing issued in 1960. Only CLEAR, unexpired licenses appear here.

How do I check a general contractor's license in California?

Every listing above shows its CSLB license number. CSLB cannot link straight to a record, so open its license lookup and type the number in: it shows status, expiration, the contractor bond and workers' compensation cover, which 111 of Thousand Oaks's 286 currently carry. 210 Ventura County licenses expire within 90 days.

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