ADU CITIES Contractor Directory

Alta Insulation & Construction Inc

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

CSLB license#1078786
ClassificationsB — General Building · C-2 — Insulation and Acoustical
Office of record14774 Weeping Willow Ln
Fontana, CA 92337
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(909) 717-1566
Contractor bond$25,000 — Merchants Bonding Company (mutual)
Workers' comp (CSLB record)Workers' Compensation Insurance — State Compensation Insurance Fund
Business typeCorporation
License issuedJuly 26, 2021
License expiresJuly 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.