ADU CITIES Contractor Directory

All Heart Heating Cooling And Plumbing

Also listed as: D S Mechanical Inc

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

☎ Call (661) 310-3747Verify this license at CSLB
CSLB license#918467
ClassificationsC-20 — Warm-Air Heating, Ventilating and Air-Conditioning · C-36 — Plumbing
Office of record42215 12TH Street
Lancaster, CA 93534
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(661) 310-3747
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Leasing Firm, Temp Agency, etc — A I U Insurance Company
Business typeCorporation
License issuedJuly 1, 2008
License expiresJuly 31, 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.