ADU CITIES Contractor Directory

Mountain Mechanical Services LLC

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

☎ Call (951) 692-0877Verify this license at CSLB
CSLB license#922929
ClassificationsB — General Building · C-20 — Warm-Air Heating, Ventilating and Air-Conditioning
Office of record35430 Penrod Canyon Rd
Mountain Center, CA 92561
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(951) 692-0877
Contractor bond$25,000 — Philadelphia Indemnity Insurance Company
Workers' comp (CSLB record)Workers' Compensation Insurance — State Compensation Insurance Fund
Business typeLimited Liability
License issuedSeptember 29, 2008
License expiresJune 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.