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Best Licensed General Contractors in Fontana, CA

228 general contractors registered in Fontana hold current CSLB licenses, verified against official records as of August 22, 2026. The 8 below are the top-ranked, ordered by workers' compensation cover and years licensed.

How we chose: We identified 228 companies registered in Fontana. 228 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.Kent Electric Co

    ✓ CSLB License #305570 - look up this number at CSLB
    Verified
    August 22, 2026
    Licensed since
    1975
    Phone
    (909) 829-7966

  2. 2.Federal Building & Roofing Inc.

    ✓ CSLB License #374153 - look up this number at CSLB
    Verified
    August 22, 2026
    Licensed since
    1979
    Phone
    (909) 428-8007

  3. 3.Henry Heat And Air Construction Services

    ✓ CSLB License #433607 - look up this number at CSLB
    Verified
    August 22, 2026
    Licensed since
    1983
    Phone
    (909) 762-2732

  4. 4.K & L Contracting Inc.

    ✓ CSLB License #531048 - look up this number at CSLB
    Verified
    August 22, 2026
    Licensed since
    1988
    Phone
    (909) 452-7038

  5. 5.Stc Netcom Inc.

    ✓ CSLB License #658768 - look up this number at CSLB
    Verified
    August 22, 2026
    Licensed since
    1992
    Phone
    (951) 685-8181

  6. 6.Rite - Way Roof Corporation

    ✓ CSLB License #661941 - look up this number at CSLB
    Verified
    August 22, 2026
    Licensed since
    1992
    Phone
    (909) 350-8490

  7. 7.Stantru Reinforcing Steel

    ✓ CSLB License #680659 - look up this number at CSLB
    Verified
    August 22, 2026
    Licensed since
    1993
    Phone
    (909) 587-1441

  8. 8.General Contracting Structural Services & Repair

    ✓ CSLB License #700731 - look up this number at CSLB
    Verified
    August 22, 2026
    Licensed since
    1994
    Phone
    (909) 350-4703

Compare the top 6 at a glance

CompanyLicenseWorkers' compLicensed since
Kent Electric Co#305570On file1975
Federal Building & Roofing Inc.#374153On file1979
Henry Heat And Air Construction Services#433607On file1983
K & L Contracting Inc.#531048On file1988
Stc Netcom Inc.#658768On file1992
Rite - Way Roof Corporation#661941On file1992

San Bernardino County general building licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 3,667 active B general building contractor licenses in San Bernardino County, 232 of them registered in Fontana. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Fontana license has been held 8 years, and the longest-standing one dates to 1975. 91 of Fontana's 232 licenses (39.2%) 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: 3,666 of the county's 3,667 licenses carry the same $25,000 bond California sets by statute. 312 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.

General Contractors in Fontana: common questions

How many licensed general contractors are there in Fontana?

232 active B general building contractor licenses are registered in Fontana, out of 3,667 across San Bernardino County. 228 Fontana-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 general contractors?

Yes. California licenses contractors by classification, and B is the CSLB classification that authorises this work. 232 active B general building contractor licenses are registered in Fontana and 3,667 across San Bernardino County, the longest-standing issued in 1975. Only CLEAR, unexpired licenses appear here.

How do I check a general 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 91 of Fontana's 232 currently carry. 312 San Bernardino County licenses expire within 90 days.

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