ADU CITIES Contractor Directory

3 & 1 Plumbing Inc

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

☎ Call (818) 605-8601Verify this license at CSLB
CSLB license#1074894
ClassificationsC-36 — Plumbing
Office of record7657 Winnetka Avenue #472
Winnetka, CA 91306
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(818) 605-8601
Contractor bond$25,000 — Western Surety Company
Workers' comp (CSLB record)Exempt
Business typeCorporation
License issuedApril 19, 2021
License expiresApril 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.