Csn Builder, B General Building Contractor in Petaluma, CA
Csn Builder operating as a sole owner holds an active California contractor license (CSLB #1138937), valid through Jun 30, 2027. First issued in 2025, the license has been on the CSLB roster for 1 year. It carries a single CSLB classification: B — General Building 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 Petaluma, in Sonoma County, California.
- License Number
- 1138937
- Issued
- Jun 16, 2025
- Status
- CLEAR
- Expires
- Jun 30, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100955931
- Effective
- May 5, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- May 5, 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 Csn Builder licensed in California?
Yes. Csn Builder holds California Contractors State License Board license number 1138937, which is active and in good standing. The license was first issued on June 16, 2025. It is valid through June 30, 2027.
What does Csn Builder specialize in?
Csn Builder is licensed for one CSLB classification: B General Building Contractor.
Where is Csn Builder headquartered?
Csn Builder is headquartered at 1085 Crinella Drive, Petaluma, CA 94954, in Sonoma County, California.
Does Csn Builder have an active surety bond on file with CSLB?
Yes. Csn Builder has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Csn Builder carry workers' compensation coverage?
Csn Builder reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Csn Builder's contractor license?
You can verify Csn Builder's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1138937.
- Bond activeMay 5, 2025
- WC coverage startsMay 5, 2025
- License issuedJun 16, 2025
- License expiresJun 30, 2027
- Midstate Construction Corporation#89455Petaluma·B General Building Contractor
- Napa Sonoma Builders#117102Sonoma·B General Building Contractor
- Railla Joseph J#201956Sebastopol·B General Building Contractor
- Codding Construction CO#203301Santa Rosa·B General Building Contractor
- Decker William & Company INC#254209Penngrove·B General Building Contractor
- Kozy Homes#262090Petaluma·B General Building Contractor
- Morton Construction#251553Healdsburg·B General Building Contractor
- Labrucherie G M#239445Santa Rosa·A General Engineering Contractor
Working a California job with Csn Builder, 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 Csn Builder? Claim or correct this profile