ADU CITIES Contractor Directory

Unionstone Construction Group Inc

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

CSLB license#1162370
ClassificationsB — General Building
Office of record5105 Canosa Ave Ste 101
San Diego, CA 92117
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(855) 864-7863
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Workers' Compensation Insurance — American Casualty Company Of Reading Pa
Business typeCorporation
License issuedOctober 2, 2026
License expiresOctober 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.