ADU CITIES Contractor Directory

Keystone Construction Inc

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

CSLB license#797889
ClassificationsB — General Building · C-10 — Electrical
Office of record269 S Western Ave 286
Los Angeles, CA 90004
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(213) 422-3649
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Workers' Compensation Insurance — State Compensation Insurance Fund
Business typeCorporation
License issuedJuly 30, 2001
License expiresJuly 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.