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Cornerstone Healdsburg

License #1141913·Corporation·Healdsburg, Sonoma County
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Summary

Cornerstone Healdsburg operating as a corporation is licensed in California under CSLB number 1141913. The license was first issued in 2025, putting the business at 1 year on the active CSLB roster. It carries a single CSLB classification: C-27 — Landscaping Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and a previously-filed workers' compensation policy with Omaha National Casualty Company that is no longer active. The business is based in Healdsburg, in Sonoma County, California.

Business Information
Address
12020 Old Redwood Highway
Healdsburg, CA 95448
License Details & Classifications
License Number
1141913
Issued
Aug 12, 2025
Status
CLEAR
Expires
Aug 31, 2027
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Merchants Bonding Company (mutual)
Bond Number
101483155
Effective
Apr 24, 2025
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Omaha National Casualty Company
Policy Number
ONCC1157105
Effective
May 1, 2025
Expires
May 1, 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 Cornerstone Healdsburg licensed in California?

Yes. Cornerstone Healdsburg holds California Contractors State License Board license number 1141913. The license was first issued on August 12, 2025. It is valid through August 31, 2027.

What does Cornerstone Healdsburg specialize in?

Cornerstone Healdsburg is licensed for one CSLB classification: C-27 Landscaping Contractor.

Where is Cornerstone Healdsburg headquartered?

Cornerstone Healdsburg is headquartered at 12020 Old Redwood Highway, Healdsburg, CA 95448, in Sonoma County, California.

Does Cornerstone Healdsburg have an active surety bond on file with CSLB?

Yes. Cornerstone Healdsburg has an active California contractor surety bond filed with Merchants Bonding Company (mutual).

Does Cornerstone Healdsburg carry workers' compensation coverage?

Cornerstone Healdsburg has a previously-filed workers' compensation policy with Omaha National Casualty Company that is no longer active.

How do I verify Cornerstone Healdsburg's contractor license?

You can verify Cornerstone Healdsburg's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1141913.

Activity Timeline
  1. Bond activeApr 24, 2025
  2. WC coverage startsMay 1, 2025
  3. License issuedAug 12, 2025
  4. WC expiredMay 1, 2026
  5. License expiresAug 31, 2027
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