Niewald Thomas Burton, B General Building Contractor in Santa Rosa, CA
Niewald Thomas Burton operating as a sole owner holds an active California contractor license (CSLB #870170), valid through Dec 31, 2027. First issued in 2005, the license has been on the CSLB roster for 21 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Santa Rosa, in Sonoma County, California.
- License Number
- 870170
- Issued
- Dec 29, 2005
- Status
- CLEAR
- Expires
- Dec 31, 2027
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800234135
- Effective
- Feb 8, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Dec 22, 2025
- 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 Niewald Thomas Burton licensed in California?
Yes. Niewald Thomas Burton holds California Contractors State License Board license number 870170, which is active and in good standing. The license was first issued on December 29, 2005. It is valid through December 31, 2027.
What does Niewald Thomas Burton specialize in?
Niewald Thomas Burton is licensed for one CSLB classification: B General Building Contractor.
Where is Niewald Thomas Burton headquartered?
Niewald Thomas Burton is headquartered at 2397 Lemur Street, Santa Rosa, CA 95401, in Sonoma County, California.
Does Niewald Thomas Burton have an active surety bond on file with CSLB?
Yes. Niewald Thomas Burton has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Niewald Thomas Burton carry workers' compensation coverage?
Niewald Thomas Burton reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Niewald Thomas Burton's contractor license?
You can verify Niewald Thomas Burton's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=870170.
- License issuedDec 29, 2005
- WC coverage startsDec 22, 2025
- Bond activeFeb 8, 2026
- License expiresDec 31, 2027
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