Public CSLB records

Nason Excavation INC, C-12 Earthwork and Paving Contractor in Santa Rosa, CA

License #1153816·Corporation·Santa Rosa, Sonoma County
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Summary

Nason Excavation INC operating as a corporation holds an active California contractor license (CSLB #1153816), valid through Apr 30, 2028. It carries a single CSLB classification: C-12 — Earthwork and Paving Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Santa Rosa, in Sonoma County, California.

Business Information
Address
4185 Concord Ave
Santa Rosa, CA 95407
License Details & Classifications
License Number
1153816
Issued
Apr 20, 2026
Status
CLEAR
Expires
Apr 30, 2028
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
101052841
Effective
Apr 1, 2026
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Apr 1, 2026
Expires
Newly Licensed

Recently licensed: the CSLB license is active and in good standing, issued within the last 2 years.

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 Nason Excavation INC licensed in California?

Yes. Nason Excavation INC holds California Contractors State License Board license number 1153816, which is active and in good standing. The license was first issued on April 20, 2026. It is valid through April 30, 2028.

What does Nason Excavation INC specialize in?

Nason Excavation INC is licensed for one CSLB classification: C-12 Earthwork and Paving Contractor.

Where is Nason Excavation INC headquartered?

Nason Excavation INC is headquartered at 4185 Concord Ave, Santa Rosa, CA 95407, in Sonoma County, California.

Does Nason Excavation INC have an active surety bond on file with CSLB?

Yes. Nason Excavation INC has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Nason Excavation INC carry workers' compensation coverage?

Nason Excavation INC reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Nason Excavation INC's contractor license?

You can verify Nason Excavation INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1153816.

Activity Timeline
  1. Bond activeApr 1, 2026
  2. WC coverage startsApr 1, 2026
  3. License issuedApr 20, 2026
  4. License expiresApr 30, 2028
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California lien & payment resources

Working a California job with Nason Excavation 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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