Haworth Michael D, B General Building Contractor in Sebastopol, CA
Haworth Michael D operating as a sole owner holds an active California contractor license (CSLB #406875), valid through Jun 30, 2027. First issued in 1981, the license has been on the CSLB roster for 45 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 Sebastopol, in Sonoma County, California.
- License Number
- 406875
- Issued
- Jun 5, 1981
- Status
- CLEAR
- Expires
- Jun 30, 2027
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 810025650
- Effective
- Jun 30, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jun 9, 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 Haworth Michael D licensed in California?
Yes. Haworth Michael D holds California Contractors State License Board license number 406875, which is active and in good standing. The license was first issued on June 5, 1981. It is valid through June 30, 2027.
What does Haworth Michael D specialize in?
Haworth Michael D is licensed for one CSLB classification: B General Building Contractor.
Where is Haworth Michael D headquartered?
Haworth Michael D is headquartered at 11600 Barnett Valley Rd, Sebastopol, CA 95472, in Sonoma County, California.
Does Haworth Michael D have an active surety bond on file with CSLB?
Yes. Haworth Michael D has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Haworth Michael D carry workers' compensation coverage?
Haworth Michael D reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Haworth Michael D's contractor license?
You can verify Haworth Michael D's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=406875.
- License issuedJun 5, 1981
- WC coverage startsJun 9, 2025
- Bond activeJun 30, 2025
- License expiresJun 30, 2027
- Masterson Bryan Enterprises#271933Petaluma·A General Engineering Contractor
- Galeazzi Kyle D#268152Rohnert Park·B General Building Contractor
- Curran Environmental Services INC#269122Petaluma·A General Engineering Contractor
- Mc Intosh Mark#293167Santa Rosa·B General Building Contractor
- Wiggins Electric INC#290442Santa Rosa·B General Building Contractor
- Long Joe L Custom Builder#279674Petaluma·B General Building Contractor
- Deangelis Construction INC#279673Santa Rosa·B General Building Contractor
- Holden Ralph & CO#307640Healdsburg·A General Engineering Contractor
Working a California job with Haworth Michael D, 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 Haworth Michael D? Claim or correct this profile