Castletown Construction CO INC, B General Building Contractor in Mill Valley, CA
Castletown Construction CO INC operating as a corporation holds an active California contractor license (CSLB #649235), valid through Jul 31, 2026. 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 warrants a closer look before contracting:
- License expires in 2 days
- Workers' comp listed as exempt
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?
Yes. Castletown Construction CO INC holds California Contractors State License Board license number 649235, which is active and in good standing. The license was first issued on July 3, 1992. It is valid through July 31, 2026.
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 expiresJul 31, 2026
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