ADU CITIES Contractor Directory

Built By Design

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

CSLB license#973355
ClassificationsB — General Building
Office of record114 W Mariposa St
Altadena, CA 91001
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(626) 488-8375
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Exempt
Business typeSole Owner
License issuedMay 26, 2012
License expiresDecember 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.