ADU CITIES Contractor Directory

Sir Gregory's Plumbing & Drain Cleaning

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

☎ Call (951) 378-4932Verify this license at CSLB
CSLB license#943915
ClassificationsC-36 — Plumbing
Office of record1240 E Ontario AVE102-240
Corona, CA 92881
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(951) 378-4932
Contractor bond$25,000 — Jet Insurance Company
Workers' comp (CSLB record)Exempt
Business typeSole Owner
License issuedFebruary 26, 2010
License expiresFebruary 29, 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.