ADU CITIES Contractor Directory

Castle Construction Services Inc

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

CSLB license#1046985
ClassificationsB — General Building
Office of record2495 Olive Ave
Altadena, CA 91001
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(626) 233-8132
Contractor bond$25,000 — North River Insurance Company (the)
Workers' comp (CSLB record)Workers' Compensation Insurance — Norguard Insurance Company
Business typeCorporation
License issuedNovember 19, 2018
License expiresNovember 30, 2026

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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.