ADU CITIES Contractor Directory

Calderon Builders Inc

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

CSLB license#843680
ClassificationsB — General Building · C-7 — Low Voltage Systems
Office of record3751 1ST Avenue
San Diego, CA 92103
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(619) 546-7857
Contractor bond$25,000 — United Surety Insurance Company
Workers' comp (CSLB record)Workers' Compensation Insurance — State Compensation Insurance Fund
Business typeCorporation
License issuedJuly 29, 2004
License expiresJuly 31, 2028

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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.