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Best Licensed Paving Contractors in San Dimas, CA

3 paving companies registered in San Dimas 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 Dimas. 3 passed license verification. All 3 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.Precision Grading & Excavating

    ✓ CSLB License #563111 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1989
    Phone
    (909) 592-8683

  2. 2.A1 Asphalt Parking Lots

    ✓ CSLB License #988059 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2013
    Phone
    (909) 599-0701

  3. 3.Tws Restoration

    ✓ CSLB License #775108 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2000
    Phone
    (909) 703-7045

Compare the top 3 at a glance

CompanyLicenseWorkers' compLicensed since
Precision Grading & Excavating#563111On file1989
A1 Asphalt Parking Lots#988059On file2013
Tws Restoration#775108Exempt or none on file2000

Los Angeles County paving licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 289 active C-12 earthwork and paving licenses in Los Angeles County, 3 of them registered in San Dimas. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median San Dimas license has been held 26 years, and the longest-standing one dates to 1989. 2 of San Dimas's 3 licenses (66.7%) 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: 289 of the county's 289 licenses carry the same $25,000 bond California sets by statute. 25 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 Dimas: common questions

How many licensed paving contractors are there in San Dimas?

3 active C-12 earthwork and paving licenses are registered in San Dimas, out of 289 across Los Angeles County. 3 San Dimas-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 Dimas and 289 across Los Angeles County, the longest-standing issued in 1989. 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 2 of San Dimas's 3 currently carry. 25 Los Angeles County licenses expire within 90 days.

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