Mario Monterrosa Electric Inc
Mario Monterrosa Electric Inc is an active, licensed contractor operating in Guerneville, CA. Operating under a California contractor license established in 1993. They hold a C-10 Electrical 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
- 670700
- Status
- Active
- Classification(s)
- C-10: Electrical Contractor
- Tenure
- Licensed since 1993 (32 years)
- Issue Date
- May 06, 1993
- Expiration Date
- January 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
- P O BOX 1205
- City
- Guerneville, CA
- ZIP Code
- 95446
- Phone
- (415) 368-1608
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About This License Type
C-10: Electrical Contractor
Places, installs, erects, or connects electrical wires, fixtures, appliances, apparatus, raceways, conduits, solar photovoltaic cells, or any part thereof which generate, transmit, transform, or utilize electrical energy.
Not authorized: Electricians working under a C-10 must be certified per CA Labor Code.
Licensing Resources
What does a workers' comp exemption mean?
Deposit and payment rules for California contracts
Home improvement contract requirements
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License data sourced from the California Contractors State License Board. Last data update: April 05, 2026.