ADU CITIES Contractor Directory

Premier Stairs Inc

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

CSLB license#1030543
ClassificationsB — General Building
Office of record111 N Benson Ave
Upland, CA 91786
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(909) 360-8914
Contractor bond$25,000 — Western Surety Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Insurance Company Of The West
Business typeCorporation
License issuedAugust 30, 2017
License expiresAugust 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.