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Best Licensed Paving Contractors in San Mateo, CA

3 paving companies registered in San Mateo hold current CSLB licenses, verified against official records as of August 17, 2026. All 3 are listed below, ordered by workers' compensation cover and years licensed.

How we chose: We identified 3 companies registered in San Mateo. 3 passed license verification. All 3 are listed below. Our methodology

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  1. 1.Water Heater Boys LLC

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

  2. 2.Upfront Earthwork & Paving

    ✓ CSLB License #1114446 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2023
    Phone
    (650) 703-9315

  3. 3.San Cristobal Grading & Excavating Inc.

    ✓ CSLB License #1138690 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2025
    Phone
    (650) 281-6525

Compare the top 3 at a glance

CompanyLicenseWorkers' compLicensed since
Water Heater Boys LLC#900920On file2007
Upfront Earthwork & Paving#1114446Exempt or none on file2023
San Cristobal Grading & Excavating Inc.#1138690Exempt or none on file2025

San Mateo County paving licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 18 active C-12 earthwork and paving licenses in San Mateo County, 3 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 2 years, and the longest-standing one dates to 2007. 1 of San Mateo's 3 licenses (33.3%) carries 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: 18 of the county's 18 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.

Paving Contractors in San Mateo: common questions

How many licensed paving contractors are there in San Mateo?

3 active C-12 earthwork and paving licenses are registered in San Mateo, out of 18 across San Mateo County. 3 San Mateo-registered companies passed our license verification, and all 3 are listed on this page. Only licenses CSLB shows as CLEAR and unexpired are listed.

Does California license paving contractors?

Yes. California licenses contractors by classification, and C-12 is the CSLB classification that authorises this work. 3 active C-12 earthwork and paving licenses are registered in San Mateo and 18 across San Mateo County, the longest-standing issued in 2007. Only CLEAR, unexpired licenses appear here.

How do I check a paving 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 1 of San Mateo's 3 currently carry. 2 San Mateo County licenses expire within 90 days.

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