ADU CITIES Contractor Directory

American Cornerstone Engineering Group Inc

● Active — license status verified against CSLB public data as of November 6, 2026

☎ Call (805) 440-3348Verify this license at CSLB
CSLB license#1133732
ClassificationsA — General Engineering
Office of recordP O Box 12708
San Luis Obispo, CA 93406
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(805) 440-3348
Contractor bond$25,000 — Western Surety Company
Workers' comp (CSLB record)Exempt
Business typeCorporation
License issuedFebruary 28, 2025
License expiresFebruary 28, 2027

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Data source: CSLB public records as of November 6, 2026. License status can change at any time — verify live at CSLB before signing a contract.