Madcon Builders
Madcon Builders is an active, licensed contractor operating in Guerneville, CA. Operating under a California contractor license established in 2025. They hold B General Building Contractor and C-4 Boiler, Hot-Water Heating and Steam Fitting Contractor licenses. 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
- 1146541
- Status
- Active
- Classification(s)
- B: General Building Contractor, C-4: Boiler, Hot-Water Heating and Steam Fitting Contractor
- Tenure
- Licensed since 2025 (0 years)
- Issue Date
- November 19, 2025
- Expiration Date
- November 30, 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 263
- City
- Guerneville, CA
- ZIP Code
- 95446
- Phone
- (707) 632-5356
About These License Types
B: General Building Contractor
Authorizes construction of structures including residential, commercial, and industrial buildings requiring at least two unrelated building trades or crafts. May take prime contracts or subcontracts for framing or carpentry. May subcontract all specialty work but must hold the appropriate C license to self-perform specialty trade work.
Not authorized: Cannot self-perform specialty trade work (electrical, plumbing, HVAC, etc.) without holding the corresponding C license. Cannot contract for C-16 Fire Protection or C-57 Well Drilling without the appropriate license or subcontractor.
C-4: Boiler, Hot-Water Heating and Steam Fitting Contractor
Installs, services, and repairs power boiler installations, hot-water heating systems and steam fitting, including fire-tube and water-tube boilers, piping, fittings, valves, gauges, pumps, radiators, fuel oil tanks, chimneys, flues, and associated solar heating equipment.
Not authorized: Does not include warm-air heating or air conditioning systems (see C-20).
Verify on Official CSLB Website
License data sourced from the California Contractors State License Board. Last data update: February 20, 2026.