ADU CITIES Contractor Directory

Onestop Plumbers

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

CSLB license#951907
ClassificationsC-36 — Plumbing
Office of record411 Leroy Dr
Corona, CA 92879
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(951) 415-9071
Contractor bond$25,000 — Western Surety Company
Workers' comp (CSLB record)Workers' Compensation Insurance — United Fire & Casualty Company
Business typeCorporation
License issuedSeptember 2, 2010
License expiresJune 30, 2028

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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.