ADU CITIES Contractor Directory

Jack Corson Chang

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

CSLB license#1075805
ClassificationsB — General Building
Office of record1965 Park Rose Ave
Duarte, CA 91010
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(626) 566-5573
Contractor bond$25,000 — Business Alliance Insurance Company
Workers' comp (CSLB record)Exempt
Business typeSole Owner
License issuedMay 14, 2021
License expiresMay 31, 2027

Is this your business? Claim this listing to enhance it with your website, photos, and project details.

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.