Umbenhaur Robert Construction, B General Building Contractor in San Carlos, CA
Umbenhaur Robert Construction operating as a sole owner holds California contractor license #544719, which is currently expired (lapsed Oct 31, 2026) and not valid to contract until it is renewed. First issued in 1988, the license has been on the CSLB roster for 38 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in San Carlos, in San Mateo County, California.
- License Number
- 544719
- Issued
- Oct 18, 1988
- Status
- CLEAR
- Expires
- Oct 31, 2026
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800212727
- Effective
- Oct 31, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Oct 30, 2024
- Expires
- —
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Umbenhaur Robert Construction licensed in California?
Umbenhaur Robert Construction previously held California Contractors State License Board license number 544719, but the license expired on October 31, 2026 and is not currently valid. It was first issued on October 18, 1988.
What does Umbenhaur Robert Construction specialize in?
Umbenhaur Robert Construction is licensed for one CSLB classification: B General Building Contractor.
Where is Umbenhaur Robert Construction headquartered?
Umbenhaur Robert Construction is headquartered at 2161 Greenwood Ave, San Carlos, CA 94070, in San Mateo County, California.
Does Umbenhaur Robert Construction have an active surety bond on file with CSLB?
Yes. Umbenhaur Robert Construction has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Umbenhaur Robert Construction carry workers' compensation coverage?
Umbenhaur Robert Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Umbenhaur Robert Construction's contractor license?
You can verify Umbenhaur Robert Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=544719.
- License issuedOct 18, 1988
- WC coverage startsOct 30, 2024
- Bond activeOct 31, 2025
- License expiredOct 31, 2026
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