ADU CITIES Contractor Directory

Grand Space

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

CSLB license#1075915
ClassificationsA — General Engineering · B — General Building
Office of record1345 S Diamond Bar Blvd Ste V
Diamond Bar, CA 91765
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(626) 417-6161
Contractor bond$25,000 — Western Surety Company
Workers' comp (CSLB record)Exempt
Business typeCorporation
License issuedMay 18, 2021
License expiresMay 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.