ADU CITIES Contractor Directory

Exclusive HVAC

Also listed as: Janiszewski A Company

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

CSLB license#993480
ClassificationsB — General Building · C-20 — Warm-Air Heating, Ventilating and Air-Conditioning · C-36 — Plumbing
Office of record11030 7TH Ave
Hesperia, CA 92345
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(760) 246-5221
Contractor bond$25,000 — Atlantic Specialty Insurance Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Hartford Casualty Insurance Company
Business typeCorporation
License issuedJune 9, 2014
License expiresMarch 31, 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.