Public CSLB records

Yellowstone Workx INC, B General Building Contractor in Diamond Bar, CA

License #1084592·Corporation·Diamond Bar, Los Angeles County
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Summary

Yellowstone Workx INC operating as a corporation holds an active California contractor license (CSLB #1084592), valid through Dec 31, 2027. First issued in 2021, the license has been on the CSLB roster for 5 years. It carries 2 CSLB classifications: B General Building Contractor and C-54 Ceramic and Mosaic Tile Contractor. Records show an active surety bond on file with Hudson Insurance Company and a previously-filed workers' compensation policy with Mid-Century Insurance Company that is no longer active. The business is based in Diamond Bar, in Los Angeles County, California.

Business Information
Address
22927 Estoril Dr #3
Diamond Bar, CA 91765
License Details & Classifications
License Number
1084592
Issued
Dec 6, 2021
Status
CLEAR
Expires
Dec 31, 2027
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Hudson Insurance Company
Bond Number
30108076
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Mid-Century Insurance Company
Policy Number
A09525455
Effective
Aug 1, 2025
Expires
Aug 1, 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 Yellowstone Workx INC licensed in California?

Yes. Yellowstone Workx INC holds California Contractors State License Board license number 1084592, which is active and in good standing. The license was first issued on December 6, 2021. It is valid through December 31, 2027.

What does Yellowstone Workx INC specialize in?

Yellowstone Workx INC is licensed for 2 CSLB classifications: B General Building Contractor and C-54 Ceramic and Mosaic Tile Contractor.

Where is Yellowstone Workx INC headquartered?

Yellowstone Workx INC is headquartered at 22927 Estoril Dr #3, Diamond Bar, CA 91765, in Los Angeles County, California.

Does Yellowstone Workx INC have an active surety bond on file with CSLB?

Yes. Yellowstone Workx INC has an active California contractor surety bond filed with Hudson Insurance Company.

Does Yellowstone Workx INC carry workers' compensation coverage?

Yellowstone Workx INC has a previously-filed workers' compensation policy with Mid-Century Insurance Company that is no longer active.

How do I verify Yellowstone Workx INC's contractor license?

You can verify Yellowstone Workx INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1084592.

Activity Timeline
  1. License issuedDec 6, 2021
  2. Bond activeJan 1, 2023
  3. WC coverage startsAug 1, 2025
  4. WC expiredAug 1, 2026
  5. License expiresDec 31, 2027
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California lien & payment resources

Working a California job with Yellowstone Workx 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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