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Best Licensed Concrete Contractors in San Mateo, CA

7 concrete companies registered in San Mateo 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 San Mateo. 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.J J R Construction Inc.

    ✓ CSLB License #665645 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1993
    Phone
    (650) 343-6109

  2. 2.Quality Landscape & Concrete Inc.

    ✓ CSLB License #758745 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1999
    Phone
    (650) 571-5778

  3. 3.Water Heater Boys LLC

    ✓ CSLB License #900920 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2007
    Phone
    (650) 417-4004

  4. 4.R L Cooper Construction

    ✓ CSLB License #954397 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2010
    Phone
    (650) 759-8767

  5. 5.Ncm Concrete

    ✓ CSLB License #961178 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2011
    Phone
    (650) 814-7465

  6. 6.Sequoia Outdoor Design & Build Inc.

    ✓ CSLB License #1099847 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2022

  7. 7.Finished Concrete

    ✓ CSLB License #1130157 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2024
    Phone
    (650) 701-6822

Compare the top 6 at a glance

CompanyLicenseWorkers' compLicensed since
J J R Construction Inc.#665645On file1993
Quality Landscape & Concrete Inc.#758745On file1999
Water Heater Boys LLC#900920On file2007
R L Cooper Construction#954397On file2010
Ncm Concrete#961178On file2011
Sequoia Outdoor Design & Build Inc.#1099847On file2022

San Mateo County concrete licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 44 active C-8 concrete licenses in San Mateo County, 7 of them registered in San Mateo. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median San Mateo license has been held 15 years, and the longest-standing one dates to 1993. California law requires workers' compensation cover for C-8 licensees, so it is a legal baseline rather than a way to tell two contractors apart: 7 of San Mateo's 7 licenses (100.0%) carry a current policy in CSLB's file, and we do not rank on it. The contractor bond is not a signal here: 44 of the county's 44 licenses carry the same $25,000 bond California sets by statute. 2 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.

Concrete Contractors in San Mateo: common questions

How many licensed concrete contractors are there in San Mateo?

7 active C-8 concrete licenses are registered in San Mateo, out of 44 across San Mateo County. 7 San Mateo-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 concrete contractors?

Yes. California licenses contractors by classification, and C-8 is the CSLB classification that authorises this work. 7 active C-8 concrete licenses are registered in San Mateo and 44 across San Mateo County, the longest-standing issued in 1993. Only CLEAR, unexpired licenses appear here.

How do I check a concrete 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 California requires of C-8 licensees and 7 of San Mateo's 7 currently carry. 2 San Mateo County licenses expire within 90 days.

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