ADU CITIES Contractor Directory

Gs One Construction Inc

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

CSLB license#1115486
ClassificationsB — General Building
Office of record855 W Walnut Avenue
Monrovia, CA 91016
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(626) 806-5470
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Norguard Insurance Company
Business typeCorporation
License issuedJanuary 25, 2024
License expiresJanuary 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.