Public CSLB records

Zimmerer Tim Construction, A General Engineering Contractor in Redwood Valley, CA

License #589699·Sole Owner·Redwood Valley, Mendocino County
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Summary

Zimmerer Tim Construction operating as a sole owner holds an active California contractor license (CSLB #589699), valid through Mar 31, 2028. First issued in 1990, the license has been on the CSLB roster for 36 years. It carries 2 CSLB classifications: A General Engineering Contractor and 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 Redwood Valley, in Mendocino County, California.

Business Information
Address
901 East School Way
Redwood Valley, CA 95470
License Details & Classifications
License Number
589699
Issued
Mar 7, 1990
Status
CLEAR
Expires
Mar 31, 2028
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
67380487
Effective
Mar 2, 2025
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Mar 3, 2026
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 Zimmerer Tim Construction licensed in California?

Yes. Zimmerer Tim Construction holds California Contractors State License Board license number 589699, which is active and in good standing. The license was first issued on March 7, 1990. It is valid through March 31, 2028.

What does Zimmerer Tim Construction specialize in?

Zimmerer Tim Construction is licensed for 2 CSLB classifications: A General Engineering Contractor and B General Building Contractor.

Where is Zimmerer Tim Construction headquartered?

Zimmerer Tim Construction is headquartered at 901 East School Way, Redwood Valley, CA 95470, in Mendocino County, California.

Does Zimmerer Tim Construction have an active surety bond on file with CSLB?

Yes. Zimmerer Tim Construction has an active California contractor surety bond filed with Western Surety Company.

Does Zimmerer Tim Construction carry workers' compensation coverage?

Zimmerer Tim Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Zimmerer Tim Construction's contractor license?

You can verify Zimmerer Tim Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=589699.

Activity Timeline
  1. License issuedMar 7, 1990
  2. Bond activeMar 2, 2025
  3. WC coverage startsMar 3, 2026
  4. License expiresMar 31, 2028
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California lien & payment resources

Working a California job with Zimmerer Tim Construction, 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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