Public CSLB records

Dinsmore Robert Construction, B General Building Contractor in Trabuco Canyon, CA

License #1091890·Sole Owner·Trabuco Canyon, Orange County
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Summary

Dinsmore Robert Construction operating as a sole owner holds California contractor license #1091890, which is currently expired (lapsed May 31, 2026) and not valid to contract until it is renewed. First issued in 2022, the license has been on the CSLB roster for 4 years. It carries a single CSLB classification: B — General Building Contractor. Records show a previously-filed surety bond from Travelers Casualty and Surety Company of America that is no longer active and an exempt workers' compensation status (no employees on payroll). The business is based in Trabuco Canyon, in Orange County, California.

Business Information
Address
31345 Summerhill Ct
Trabuco Canyon, CA 92679
License Details & Classifications
License Number
1091890
Issued
May 23, 2022
Status
CLEAR
Expires
May 31, 2026
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
Travelers Casualty and Surety Company of America
Bond Number
108220795
Effective
Mar 25, 2025
Status
Cancelled
Cancelled
May 11, 2026
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
May 30, 2024
Expires
Alert

This contractor has a compliance issue in its public CSLB record:

  • License expired
  • Contractor bond cancelled
License StatusInactive / Expired
Contractor BondCancelled
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Dinsmore Robert Construction licensed in California?

Dinsmore Robert Construction previously held California Contractors State License Board license number 1091890, but the license expired on May 31, 2026 and is not currently valid. It was first issued on May 23, 2022.

What does Dinsmore Robert Construction specialize in?

Dinsmore Robert Construction is licensed for one CSLB classification: B General Building Contractor.

Where is Dinsmore Robert Construction headquartered?

Dinsmore Robert Construction is headquartered at 31345 Summerhill Ct, Trabuco Canyon, CA 92679, in Orange County, California.

Does Dinsmore Robert Construction have an active surety bond on file with CSLB?

Dinsmore Robert Construction has a previously-filed surety bond from Travelers Casualty and Surety Company of America that is no longer active.

Does Dinsmore Robert Construction carry workers' compensation coverage?

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

How do I verify Dinsmore Robert Construction's contractor license?

You can verify Dinsmore Robert Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1091890.

Activity Timeline
  1. License issuedMay 23, 2022
  2. WC coverage startsMay 30, 2024
  3. Bond activeMar 25, 2025
  4. Bond cancelledMay 11, 2026
  5. License expiredMay 31, 2026
Other contractors in Orange County
California lien & payment resources

Working a California job with Dinsmore Robert 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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