Public CSLB records

Schaefer Engineering INC, A General Engineering Contractor in Santa Rosa, CA

License #969434·Corporation·Santa Rosa, Sonoma County
Download PDF
Owed money by Schaefer Engineering INC? File a 20-day preliminary notice to keep your lien rights.Send a notice
Summary

Schaefer Engineering INC operating as a corporation holds an active California contractor license (CSLB #969434), valid through Jan 31, 2028. First issued in 2012, the license has been on the CSLB roster for 14 years. It carries a single CSLB classification: A — General Engineering Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and a previously-filed workers' compensation policy with Insurance Company of the West that is no longer active. The business is based in Santa Rosa, in Sonoma County, California.

Business Information
Address
4521 Langner Ave
Santa Rosa, CA 95407
License Details & Classifications
License Number
969434
Issued
Jan 23, 2012
Status
CLEAR
Expires
Jan 31, 2028
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
100997046
Effective
Sep 24, 2025
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Insurance Company of the West
Policy Number
WSA506712203
Effective
Aug 27, 2025
Expires
Aug 27, 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 Schaefer Engineering INC licensed in California?

Yes. Schaefer Engineering INC holds California Contractors State License Board license number 969434, which is active and in good standing. The license was first issued on January 23, 2012. It is valid through January 31, 2028.

What does Schaefer Engineering INC specialize in?

Schaefer Engineering INC is licensed for one CSLB classification: A General Engineering Contractor.

Where is Schaefer Engineering INC headquartered?

Schaefer Engineering INC is headquartered at 4521 Langner Ave, Santa Rosa, CA 95407, in Sonoma County, California.

Does Schaefer Engineering INC have an active surety bond on file with CSLB?

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

Does Schaefer Engineering INC carry workers' compensation coverage?

Schaefer Engineering INC has a previously-filed workers' compensation policy with Insurance Company of the West that is no longer active.

How do I verify Schaefer Engineering INC's contractor license?

You can verify Schaefer Engineering INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=969434.

Activity Timeline
  1. License issuedJan 23, 2012
  2. WC coverage startsAug 27, 2025
  3. Bond activeSep 24, 2025
  4. WC expiredAug 27, 2026
  5. License expiresJan 31, 2028
Other contractors in Sonoma County
California lien & payment resources

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

Own Schaefer Engineering INC? Claim or correct this profile