ADU CITIES Contractor Directory

Heavy Duty Plumbing LLC

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

☎ Call (747) 235-6162Verify this license at CSLB
CSLB license#1109780
ClassificationsC-36 — Plumbing
Office of record12825 Glenoaks Blvd
Sylmar, CA 91342
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(747) 235-6162
Contractor bond$25,000 — Jet Insurance Company
Workers' comp (CSLB record)Exempt
Business typeLimited Liability
License issuedSeptember 6, 2023
License expiresSeptember 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.