Castletown Construction CO INC, B General Building Contractor in Mill Valley, CA
Castletown Construction CO INC operating as a corporation holds California contractor license #649235, which is currently expired (lapsed Jul 31, 2026) and not valid to contract until it is renewed. First issued in 1992, the license has been on the CSLB roster for 34 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Western Surety Company and an exempt workers' compensation status (no employees on payroll). The business is based in Mill Valley, in Marin County, California.
- License Number
- 649235
- Issued
- Jul 3, 1992
- Status
- CLEAR
- Expires
- Jul 31, 2026
- Entity
- Corporation
- Surety
- Western Surety Company
- Bond Number
- 66729792
- Effective
- Nov 6, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jan 28, 2026
- 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 Castletown Construction CO INC licensed in California?
Castletown Construction CO INC previously held California Contractors State License Board license number 649235, but the license expired on July 31, 2026 and is not currently valid. It was first issued on July 3, 1992.
What does Castletown Construction CO INC specialize in?
Castletown Construction CO INC is licensed for one CSLB classification: B General Building Contractor.
Where is Castletown Construction CO INC headquartered?
Castletown Construction CO INC is headquartered at P O Box 2429, Mill Valley, CA 94942, in Marin County, California.
Does Castletown Construction CO INC have an active surety bond on file with CSLB?
Yes. Castletown Construction CO INC has an active California contractor surety bond filed with Western Surety Company.
Does Castletown Construction CO INC carry workers' compensation coverage?
Castletown Construction CO INC reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Castletown Construction CO INC's contractor license?
You can verify Castletown Construction CO INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=649235.
- License issuedJul 3, 1992
- Bond activeNov 6, 2023
- WC coverage startsJan 28, 2026
- License expiredJul 31, 2026
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