Public CSLB records

Theilacker Rudolf Carl Contractor, A General Engineering Contractor in Ontario, CA

License #279711·Sole Owner·Ontario, San Bernardino County
Download PDF
Owed money by Theilacker Rudolf Carl Contractor? File a 20-day preliminary notice to keep your lien rights.Send a notice
Summary

Theilacker Rudolf Carl Contractor operating as a sole owner holds an active California contractor license (CSLB #279711), valid through Mar 31, 2027. First issued in 1972, the license has been on the CSLB roster for 54 years. It carries 2 CSLB classifications: A General Engineering Contractor and B General Building 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 Ontario, in San Bernardino County, California.

Business Information
Address
1124 N Euclid Ave
Ontario, CA 91762
License Details & Classifications
License Number
279711
Issued
Oct 24, 1972
Status
CLEAR
Expires
Mar 31, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
SC7292
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Feb 13, 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 Theilacker Rudolf Carl Contractor licensed in California?

Yes. Theilacker Rudolf Carl Contractor holds California Contractors State License Board license number 279711, which is active and in good standing. The license was first issued on October 24, 1972. It is valid through March 31, 2027.

What does Theilacker Rudolf Carl Contractor specialize in?

Theilacker Rudolf Carl Contractor is licensed for 2 CSLB classifications: A General Engineering Contractor and B General Building Contractor.

Where is Theilacker Rudolf Carl Contractor headquartered?

Theilacker Rudolf Carl Contractor is headquartered at 1124 N Euclid Ave, Ontario, CA 91762, in San Bernardino County, California.

Does Theilacker Rudolf Carl Contractor have an active surety bond on file with CSLB?

Yes. Theilacker Rudolf Carl Contractor has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Theilacker Rudolf Carl Contractor carry workers' compensation coverage?

Theilacker Rudolf Carl Contractor reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Theilacker Rudolf Carl Contractor's contractor license?

You can verify Theilacker Rudolf Carl Contractor's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=279711.

Activity Timeline
  1. License issuedOct 24, 1972
  2. Bond activeJan 1, 2023
  3. WC coverage startsFeb 13, 2025
  4. License expiresMar 31, 2027
Other contractors in San Bernardino County
California lien & payment resources

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

Own Theilacker Rudolf Carl Contractor? Claim or correct this profile