ADU CITIES Contractor Directory

Modern Construction Services

Also listed as: Modern Heat And Air Inc

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

☎ Call (951) 369-1234Verify this license at CSLB
CSLB license#450564
ClassificationsB — General Building · C-20 — Warm-Air Heating, Ventilating and Air-Conditioning
Office of recordP O Box 20996
Riverside, CA 92516
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(951) 369-1234
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Workers' Compensation Insurance — State Compensation Insurance Fund
Business typeCorporation
License issuedDecember 27, 1983
License expiresDecember 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.