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Best Licensed Landscaping Contractors in Brentwood, CA

34 landscaping companies registered in Brentwood hold current CSLB licenses, verified against official records as of August 20, 2026. The 8 below are the top-ranked, ordered by workers' compensation cover and years licensed.

How we chose: We identified 34 companies registered in Brentwood. 34 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.Window Innovations Inc.

    ✓ CSLB License #424976 - look up this number at CSLB
    Verified
    August 20, 2026
    Licensed since
    1982
    Phone
    (925) 634-6008

  2. 2.Brentwood Gardens Inc.

    ✓ CSLB License #515320 - look up this number at CSLB
    Verified
    August 20, 2026
    Licensed since
    1987
    Phone
    (925) 634-9944

  3. 3.Altamont Landscape Services Inc.

    ✓ CSLB License #646062 - look up this number at CSLB
    Verified
    August 20, 2026
    Licensed since
    1992
    Phone
    (925) 634-5555

  4. 4.Genesis Landscape Inc.

    ✓ CSLB License #746949 - look up this number at CSLB
    Verified
    August 20, 2026
    Licensed since
    1998
    Phone
    (925) 687-7043

  5. 5.Bearscapes L L C

    ✓ CSLB License #784035 - look up this number at CSLB
    Verified
    August 20, 2026
    Licensed since
    2000
    Phone
    (925) 240-6311

  6. 6.Natureworks

    ✓ CSLB License #798265 - look up this number at CSLB
    Verified
    August 20, 2026
    Licensed since
    2001
    Phone
    (800) 758-7020

  7. 7.The Golden Palm Company Inc.

    ✓ CSLB License #798276 - look up this number at CSLB
    Verified
    August 20, 2026
    Licensed since
    2001
    Phone
    (925) 777-0396

  8. 8.Candy's Landscape Inc.

    ✓ CSLB License #813477 - look up this number at CSLB
    Verified
    August 20, 2026
    Licensed since
    2002
    Phone
    (925) 250-1280

Compare the top 6 at a glance

CompanyLicenseWorkers' compLicensed since
Window Innovations Inc.#424976On file1982
Brentwood Gardens Inc.#515320On file1987
Altamont Landscape Services Inc.#646062On file1992
Genesis Landscape Inc.#746949On file1998
Bearscapes L L C#784035On file2000
Natureworks#798265On file2001

Contra Costa County landscaping licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 460 active C-27 landscaping licenses in Contra Costa County, 35 of them registered in Brentwood. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Brentwood license has been held 17 years, and the longest-standing one dates to 1982. 28 of Brentwood's 35 licenses (80.0%) 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: 460 of the county's 460 licenses carry the same $25,000 bond California sets by statute. 38 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.

Landscaping Contractors in Brentwood: common questions

How many licensed landscaping contractors are there in Brentwood?

35 active C-27 landscaping licenses are registered in Brentwood, out of 460 across Contra Costa County. 34 Brentwood-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 landscaping contractors?

Yes. California licenses contractors by classification, and C-27 is the CSLB classification that authorises this work. 35 active C-27 landscaping licenses are registered in Brentwood and 460 across Contra Costa County, the longest-standing issued in 1982. Only CLEAR, unexpired licenses appear here.

How do I check a landscaping 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 28 of Brentwood's 35 currently carry. 38 Contra Costa County licenses expire within 90 days.

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