ADU CITIES Contractor Directory

Norstar Plumbing & Engineering Inc

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

CSLB license#633471
ClassificationsA — General Engineering · C-36 — Plumbing
Office of record8780 19TH St #310
Alta Loma, CA 91701
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(909) 481-9488
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Zurich American Insurance Company
Business typeCorporation
License issuedDecember 14, 1991
License expiresFebruary 29, 2028

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.