ADU CITIES Contractor Directory

Clauson Don Construction

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

CSLB license#558497
ClassificationsB — General Building
Office of record207 Park Avenue
Sierra Madre, CA 91024
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(626) 355-6701
Contractor bond$25,000 — Ohio Casualty Insurance Company (the)
Workers' comp (CSLB record)Exempt
Business typeSole Owner
License issuedFebruary 27, 1989
License expiresApril 30, 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.