Demomex, C-21 Building Moving / Demolition Contractor in Concord, CA
Demomex operating as a sole owner holds an active California contractor license (CSLB #1115427), valid through Jan 31, 2028. First issued in 2024, the license has been on the CSLB roster for 2 years. It carries a single CSLB classification: C-21 — Building Moving / Demolition Contractor. Records show an active surety bond on file with North River Insurance Company (the) and an exempt workers' compensation status (no employees on payroll). The business is based in Concord, in Contra Costa County, California.
- License Number
- 1115427
- Issued
- Jan 24, 2024
- Status
- CLEAR
- Expires
- Jan 31, 2028
- Entity
- Sole Owner
- Surety
- North River Insurance Company (the)
- Bond Number
- 04CF645601
- Effective
- Jul 29, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jan 24, 2026
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Demomex licensed in California?
Yes. Demomex holds California Contractors State License Board license number 1115427, which is active and in good standing. The license was first issued on January 24, 2024. It is valid through January 31, 2028.
What does Demomex specialize in?
Demomex is licensed for one CSLB classification: C-21 Building Moving / Demolition Contractor.
Where is Demomex headquartered?
Demomex is headquartered at 4830 Geneva Avenue, Concord, CA 94521, in Contra Costa County, California.
Does Demomex have an active surety bond on file with CSLB?
Yes. Demomex has an active California contractor surety bond filed with North River Insurance Company (the).
Does Demomex carry workers' compensation coverage?
Demomex reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Demomex's contractor license?
You can verify Demomex's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1115427.
- License issuedJan 24, 2024
- Bond activeJul 29, 2025
- WC coverage startsJan 24, 2026
- License expiresJan 31, 2028
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