Madcon Builders, B General Building Contractor in Guerneville, CA
Madcon Builders operating as a sole owner holds an active California contractor license (CSLB #1146541), valid through Nov 30, 2027. First issued in 2025, the license has been on the CSLB roster for 1 year. It carries 2 CSLB classifications: B General Building Contractor and C-4 Boiler, Hot Water Heating and Steam Fitting Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Guerneville, in Sonoma County, California.
- License Number
- 1146541
- Issued
- Nov 19, 2025
- Status
- CLEAR
- Expires
- Nov 30, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100982830
- Effective
- Sep 1, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Aug 14, 2025
- Expires
- —
Recently licensed: the CSLB license is active and in good standing, issued within the last 2 years.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Madcon Builders licensed in California?
Yes. Madcon Builders holds California Contractors State License Board license number 1146541, which is active and in good standing. The license was first issued on November 19, 2025. It is valid through November 30, 2027.
What does Madcon Builders specialize in?
Madcon Builders is licensed for 2 CSLB classifications: B General Building Contractor and C-4 Boiler, Hot Water Heating and Steam Fitting Contractor.
Where is Madcon Builders headquartered?
Madcon Builders is headquartered at P O Box 263, Guerneville, CA 95446, in Sonoma County, California.
Does Madcon Builders have an active surety bond on file with CSLB?
Yes. Madcon Builders has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Madcon Builders carry workers' compensation coverage?
Madcon Builders reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Madcon Builders's contractor license?
You can verify Madcon Builders's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1146541.
- WC coverage startsAug 14, 2025
- Bond activeSep 1, 2025
- License issuedNov 19, 2025
- License expiresNov 30, 2027
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