Mountain Insulation
Mountain Insulation is an active, licensed contractor operating in Grass Valley, CA. Operating under a California contractor license established in 2025. They hold a C-2 Insulation and Acoustical Contractor license. They currently maintain an active contractor bond and a workers' compensation exemption. No disciplinary actions have been recorded against this license.
License Information
- License Number
- 1137068
- Status
- Active
- Classification(s)
- C-2: Insulation and Acoustical Contractor
- Tenure
- Licensed since 2025 (0 years)
- Issue Date
- May 06, 2025
- Expiration Date
- May 31, 2027
- Disciplinary Record
- No Disciplinary Actions
Bond & Insurance
- Contractor Bond
- Bonded ($25000) – AMERICAN CONTRACTORS INDEMNITY COMPANY
- Workers’ Compensation
- Exempt
A contractor’s bond protects consumers up to the bond amount if the contractor fails to fulfill contractual obligations or violates CSLB regulations.
Workers’ compensation insurance protects homeowners from liability if a contractor’s employee is injured on the job site.
Location
- Address
- PO BOX 1336
- City
- Grass Valley, CA
- ZIP Code
- 95945
- Phone
- (530) 446-4466
About This License Type
C-2: Insulation and Acoustical Contractor
Installs insulating media and preformed architectural acoustical materials for temperature and sound control, including batt, blown, rigid board, spray-applied, and acoustical tile or panel systems.
Not authorized: Does not authorize removal of asbestos-containing materials.
Verify on Official CSLB Website
License data sourced from the California Contractors State License Board. Last data update: February 20, 2026.