ADU CITIES Contractor Directory

Castlerock Builders

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

CSLB license#540155
ClassificationsA — General Engineering · B — General Building · C-16 — Fire Protection · D-39
Office of recordP O Box 3502
Torrance, CA 90510
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(310) 350-2716
Contractor bond$25,000 — Hudson Insurance Company
Workers' comp (CSLB record)Exempt
Business typeSole Owner
License issuedAugust 31, 1988
License expiresAugust 31, 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.