American Builders, A General Engineering Contractor in Sonoma, CA
American Builders operating as a sole owner holds an active California contractor license (CSLB #427930), valid through Sep 30, 2026. First issued in 1982, the license has been on the CSLB roster for 44 years. It carries 6 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-4 Boiler, Hot Water Heating and Steam Fitting Contractor, C-10 Electrical Contractor, C-16 Fire Protection Contractor, and C-36 Plumbing Contractor. Records show an active surety bond on file with Western Surety Company and an exempt workers' compensation status (no employees on payroll). The business is based in Sonoma, in Sonoma County, California.
- License Number
- 427930
- Issued
- Sep 13, 1982
- Status
- CLEAR
- Expires
- Sep 30, 2026
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 66889417
- Effective
- Apr 9, 2024
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Aug 30, 2024
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is American Builders licensed in California?
Yes. American Builders holds California Contractors State License Board license number 427930, which is active and in good standing. The license was first issued on September 13, 1982. It is valid through September 30, 2026.
What does American Builders specialize in?
American Builders is licensed for 6 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-4 Boiler, Hot Water Heating and Steam Fitting Contractor, C-10 Electrical Contractor, C-16 Fire Protection Contractor, and C-36 Plumbing Contractor.
Where is American Builders headquartered?
American Builders is headquartered at 18095 Lucas Ave, Sonoma, CA 95476, in Sonoma County, California.
Does American Builders have an active surety bond on file with CSLB?
Yes. American Builders has an active California contractor surety bond filed with Western Surety Company.
Does American Builders carry workers' compensation coverage?
American Builders reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify American Builders's contractor license?
You can verify American Builders's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=427930.
- License issuedSep 13, 1982
- Bond activeApr 9, 2024
- WC coverage startsAug 30, 2024
- License expiresSep 30, 2026
- Holden Ralph & CO#307640Healdsburg·A General Engineering Contractor
- Masterson Bryan Enterprises#271933Petaluma·A General Engineering Contractor
- Eddinger Enterprises INC#301487Healdsburg·B General Building Contractor
- Peterson Mechanical INC#171486Sonoma·B General Building Contractor
- Ongaro & Sons#215233Petaluma·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
- C B S Plumbing & Heating INC#294171Santa Rosa·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
- Kozy Homes#262090Petaluma·B General Building Contractor
- Gentry Building & Design LLC#295946Fulton·A General Engineering Contractor
Working a California job with American Builders, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own American Builders? Claim or correct this profile