Public CSLB records

Del Grosso Design

License #864095·Sole Owner·Santa Rosa, Sonoma County
Download PDF
Owed money by Del Grosso Design? File a 20-day preliminary notice to keep your lien rights.Send a notice
Summary

Del Grosso Design operating as a sole owner is licensed in California under CSLB number 864095. The license was first issued in 2005, putting the business at 21 years on the active CSLB roster. It carries 5 CSLB classifications: C-8 Concrete Contractor, C-27 Landscaping Contractor, C-29 Masonry Contractor, C-61/D-6 Concrete-Related Services Contractor, and C-61/D-12 Synthetic Products Contractor. Records show an active surety bond on file with Nationwide Mutual Insurance Company and active workers' compensation coverage from Technology Insurance Company INC. The business is based in Santa Rosa, in Sonoma County, California.

Business Information
Address
6009 Sonoma Hwy
Santa Rosa, CA 95409
License Details & Classifications
Financial & Insurance Coverage
Contractor Bond
Surety
Nationwide Mutual Insurance Company
Bond Number
7901260286
Effective
Jul 30, 2025
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Technology Insurance Company INC
Policy Number
TSP4756413
Effective
Mar 2, 2026
Expires
Mar 2, 2027
Verified

This contractor is verified, with no adverse conditions in the current CSLB record.

License StatusActive
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Del Grosso Design licensed in California?

Yes. Del Grosso Design holds California Contractors State License Board license number 864095. The license was first issued on September 16, 2005. It is valid through September 30, 2027.

What does Del Grosso Design specialize in?

Del Grosso Design is licensed for 5 CSLB classifications: C-8 Concrete Contractor, C-27 Landscaping Contractor, C-29 Masonry Contractor, C-61/D-6 Concrete-Related Services Contractor, and C-61/D-12 Synthetic Products Contractor.

Where is Del Grosso Design headquartered?

Del Grosso Design is headquartered at 6009 Sonoma Hwy, Santa Rosa, CA 95409, in Sonoma County, California.

Does Del Grosso Design have an active surety bond on file with CSLB?

Yes. Del Grosso Design has an active California contractor surety bond filed with Nationwide Mutual Insurance Company.

Does Del Grosso Design carry workers' compensation coverage?

Yes. Del Grosso Design carries active workers' compensation coverage through Technology Insurance Company INC.

How do I verify Del Grosso Design's contractor license?

You can verify Del Grosso Design's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=864095.

Activity Timeline
  1. License issuedSep 16, 2005
  2. Bond activeJul 30, 2025
  3. WC coverage startsMar 2, 2026
  4. WC expiresMar 2, 2027
  5. License expiresSep 30, 2027
Other contractors in Sonoma County