Siemonsma Const, B General Building Contractor in Newport Beach, CA
Siemonsma Const operating as a sole owner holds California contractor license #536498, which is currently expired (lapsed Jul 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 Business Alliance Insurance Company and a previously-filed workers' compensation policy with Continental Casualty Company that is no longer active. The business is based in Newport Beach, in Orange County, California.
- License Number
- 536498
- Issued
- Jul 28, 1988
- Status
- CLEAR
- Expires
- Jul 31, 2026
- Entity
- Sole Owner
- Surety
- Business Alliance Insurance Company
- Bond Number
- G140603809594
- Effective
- Jun 14, 2024
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Continental Casualty Company
- Policy Number
- 7039327052
- Effective
- Jun 10, 2025
- Expires
- Jun 10, 2026
This contractor has a compliance issue in its public CSLB record:
- License expired
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Siemonsma Const licensed in California?
Siemonsma Const previously held California Contractors State License Board license number 536498, but the license expired on July 31, 2026 and is not currently valid. It was first issued on July 28, 1988.
What does Siemonsma Const specialize in?
Siemonsma Const is licensed for one CSLB classification: B General Building Contractor.
Where is Siemonsma Const headquartered?
Siemonsma Const is headquartered at 1048 Irvine Avenue Suite 430, Newport Beach, CA 92660, in Orange County, California.
Does Siemonsma Const have an active surety bond on file with CSLB?
Yes. Siemonsma Const has an active California contractor surety bond filed with Business Alliance Insurance Company.
Does Siemonsma Const carry workers' compensation coverage?
Siemonsma Const has a previously-filed workers' compensation policy with Continental Casualty Company that is no longer active.
How do I verify Siemonsma Const's contractor license?
You can verify Siemonsma Const's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=536498.
- License issuedJul 28, 1988
- Bond activeJun 14, 2024
- WC coverage startsJun 10, 2025
- WC expiredJun 10, 2026
- License expiredJul 31, 2026
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