ADU CITIES Contractor Directory

On - Site Builders Inc

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

CSLB license#399424
ClassificationsB — General Building · C-10 — Electrical · C-36 — Plumbing
Office of record601 Fifth Street
San Fernando, CA 91340
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(818) 837-9932
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Palomar Specialty Insurance Company
Business typeCorporation
License issuedFebruary 11, 1981
License expiresMarch 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.