ADU CITIES Contractor Directory

Gbs Company

Also listed as: Genuine Building Systems Inc

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

CSLB license#936293
ClassificationsB — General Building · C-10 — Electrical · C-16 — Fire Protection · C-20 — Warm-Air Heating, Ventilating and Air-Conditioning · C-36 — Plumbing · D-62
Office of record124 S Gramercy Place #201
Los Angeles, CA 90004
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(213) 389-3982
Contractor bond$25,000 — Merchants Bonding Company (mutual)
Workers' comp (CSLB record)Workers' Compensation Insurance — State Compensation Insurance Fund
Business typeCorporation
License issuedAugust 6, 2009
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.