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Best Licensed Tree Service Contractors in Oakland, CA

7 tree service companies registered in Oakland hold current CSLB licenses, verified against official records as of August 17, 2026. All 7 are listed below, ordered by years licensed.

How we chose: We identified 7 companies registered in Oakland. 7 passed license verification. All 7 are listed below. 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.D-line Constructors Inc.

    ✓ CSLB License #944284 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2010
    Phone
    (510) 251-6400

  2. 2.Marco Tree Service

    ✓ CSLB License #945827 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2010
    Phone
    (510) 568-8873

  3. 3.One Two Trees Company

    ✓ CSLB License #961420 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2011
    Phone
    (415) 757-7603

  4. 4.S P G Landscaping Inc.

    ✓ CSLB License #1033375 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2017
    Phone
    (510) 387-4857

  5. 5.Bernardini Engineering

    ✓ CSLB License #1049901 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2019
    Phone
    (650) 458-6356

  6. 6.J Z P Tree Service

    ✓ CSLB License #1067422 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2020
    Phone
    (510) 459-6359

  7. 7.Mathey Tree Care

    ✓ CSLB License #1112864 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2023
    Phone
    (510) 326-2686

Compare the top 6 at a glance

CompanyLicenseWorkers' compLicensed since
D-line Constructors Inc.#944284On file2010
Marco Tree Service#945827On file2010
One Two Trees Company#961420On file2011
S P G Landscaping Inc.#1033375On file2017
Bernardini Engineering#1049901Exempt or none on file2019
J Z P Tree Service#1067422On file2020

Alameda County tree licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 75 active C-49 and D-49 tree licenses in Alameda County, 7 of them registered in Oakland. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Oakland license has been held 8 years, and the longest-standing one dates to 2010. 6 of Oakland's 7 licenses (85.7%) 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: 75 of the county's 75 licenses carry the same $25,000 bond California sets by statute. 4 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.

Tree Service Contractors in Oakland: common questions

How many licensed tree contractors are there in Oakland?

7 active C-49 and D-49 tree licenses are registered in Oakland, out of 75 across Alameda County. 7 Oakland-registered companies passed our license verification, and all 7 are listed on this page. Only licenses CSLB shows as CLEAR and unexpired are listed.

Does California license tree service contractors?

Yes. California licenses contractors by classification, and C-49 or D-49 is the CSLB classification that authorises this work. 7 active C-49 and D-49 tree licenses are registered in Oakland and 75 across Alameda County, the longest-standing issued in 2010. Only CLEAR, unexpired licenses appear here.

How do I check a tree 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 6 of Oakland's 7 currently carry. 4 Alameda County licenses expire within 90 days.

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