Interior Systems Drywall, C-9 Drywall Contractor in Castro Valley, CA
Interior Systems Drywall operating as a sole owner holds California contractor license #361934, which is currently expired (lapsed Aug 31, 2026) and not valid to contract until it is renewed. First issued in 1978, the license has been on the CSLB roster for 48 years. It carries a single CSLB classification: C-9 — Drywall Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Castro Valley, in Alameda County, California.
- License Number
- 361934
- Issued
- Aug 23, 1978
- Status
- CLEAR
- Expires
- Aug 31, 2026
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100982223
- Effective
- Aug 7, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Aug 23, 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 Interior Systems Drywall licensed in California?
Interior Systems Drywall previously held California Contractors State License Board license number 361934, but the license expired on August 31, 2026 and is not currently valid. It was first issued on August 23, 1978.
What does Interior Systems Drywall specialize in?
Interior Systems Drywall is licensed for one CSLB classification: C-9 Drywall Contractor.
Where is Interior Systems Drywall headquartered?
Interior Systems Drywall is headquartered at 5480 Sontura Court, Castro Valley, CA 94552, in Alameda County, California.
Does Interior Systems Drywall have an active surety bond on file with CSLB?
Yes. Interior Systems Drywall has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Interior Systems Drywall carry workers' compensation coverage?
Interior Systems Drywall reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Interior Systems Drywall's contractor license?
You can verify Interior Systems Drywall's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=361934.
- License issuedAug 23, 1978
- WC coverage startsAug 23, 2024
- Bond activeAug 7, 2025
- License expiredAug 31, 2026
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