Public CSLB records

Dinardo Design and Construction INC, B General Building Contractor in Berkeley, CA

License #840504·Corporation·Berkeley, Alameda County
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Summary

Dinardo Design and Construction INC operating as a corporation holds an active California contractor license (CSLB #840504), valid through Mar 31, 2028. First issued in 2004, the license has been on the CSLB roster for 22 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Insurance Company and a previously-filed workers' compensation policy with Omaha National Casualty Company that is no longer active. The business is based in Berkeley, in Alameda County, California.

Business Information
Address
733 Allston Way
Berkeley, CA 94710
License Details & Classifications
License Number
840504
Issued
Jun 10, 2004
Status
CLEAR
Expires
Mar 31, 2028
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Atlantic Specialty Insurance Company
Bond Number
800229978
Effective
Feb 8, 2026
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Omaha National Casualty Company
Policy Number
ONCC1701296201
Effective
Aug 24, 2025
Expires
Aug 24, 2026
Alert

This contractor has a compliance issue in its public CSLB record:

  • No active workers' comp on file
License StatusActive
Contractor BondOn file
Workers' CompensationInactive

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

Frequently asked questions
Is Dinardo Design and Construction INC licensed in California?

Yes. Dinardo Design and Construction INC holds California Contractors State License Board license number 840504, which is active and in good standing. The license was first issued on June 10, 2004. It is valid through March 31, 2028.

What does Dinardo Design and Construction INC specialize in?

Dinardo Design and Construction INC is licensed for one CSLB classification: B General Building Contractor.

Where is Dinardo Design and Construction INC headquartered?

Dinardo Design and Construction INC is headquartered at 733 Allston Way, Berkeley, CA 94710, in Alameda County, California.

Does Dinardo Design and Construction INC have an active surety bond on file with CSLB?

Yes. Dinardo Design and Construction INC has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.

Does Dinardo Design and Construction INC carry workers' compensation coverage?

Dinardo Design and Construction INC has a previously-filed workers' compensation policy with Omaha National Casualty Company that is no longer active.

How do I verify Dinardo Design and Construction INC's contractor license?

You can verify Dinardo Design and Construction INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=840504.

Activity Timeline
  1. License issuedJun 10, 2004
  2. WC coverage startsAug 24, 2025
  3. Bond activeFeb 8, 2026
  4. WC expiredAug 24, 2026
  5. License expiresMar 31, 2028
Other contractors in Alameda County
California lien & payment resources

Working a California job with Dinardo Design and Construction INC, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.

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