ADU CITIES Contractor Directory

Onsite Construction Services Inc

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

☎ Call (661) 297-0112Verify this license at CSLB
CSLB license#406526
ClassificationsB — General Building · C-10 — Electrical
Office of record28764 Mauch Street
Santa Clarita, CA 91390
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(661) 297-0112
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Exempt
Business typeCorporation
License issuedJune 2, 1981
License expiresSeptember 30, 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.