Public CSLB records

Neumann Mark & Sons, B General Building Contractor in Auburn, CA

License #478094·Sole Owner·Auburn, Placer County
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Summary

Neumann Mark & Sons operating as a sole owner holds an active California contractor license (CSLB #478094), valid through Aug 31, 2027. First issued in 1985, the license has been on the CSLB roster for 41 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Western Surety Company and an exempt workers' compensation status (no employees on payroll). The business is based in Auburn, in Placer County, California.

Business Information
Address
315 Hammond Drive
Auburn, CA 95603
License Details & Classifications
License Number
478094
Issued
Aug 15, 1985
Status
CLEAR
Expires
Aug 31, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
67522172
Effective
May 27, 2025
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Aug 18, 2025
Expires
Review

This contractor warrants a closer look before contracting:

  • Workers' comp listed as exempt
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 Neumann Mark & Sons licensed in California?

Yes. Neumann Mark & Sons holds California Contractors State License Board license number 478094, which is active and in good standing. The license was first issued on August 15, 1985. It is valid through August 31, 2027.

What does Neumann Mark & Sons specialize in?

Neumann Mark & Sons is licensed for one CSLB classification: B General Building Contractor.

Where is Neumann Mark & Sons headquartered?

Neumann Mark & Sons is headquartered at 315 Hammond Drive, Auburn, CA 95603, in Placer County, California.

Does Neumann Mark & Sons have an active surety bond on file with CSLB?

Yes. Neumann Mark & Sons has an active California contractor surety bond filed with Western Surety Company.

Does Neumann Mark & Sons carry workers' compensation coverage?

Neumann Mark & Sons reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Neumann Mark & Sons's contractor license?

You can verify Neumann Mark & Sons's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=478094.

Activity Timeline
  1. License issuedAug 15, 1985
  2. Bond activeMay 27, 2025
  3. WC coverage startsAug 18, 2025
  4. License expiresAug 31, 2027
Other contractors in Placer County
California lien & payment resources

Working a California job with Neumann Mark & Sons, 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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