Costello Denis M
Costello Denis M operating as a sole owner is licensed in California under CSLB number 884110. The license was first issued in 2006, putting the business at 20 years on the active CSLB roster. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Travelers Casualty and Surety Company of America and an exempt workers' compensation status (no employees on payroll). The business is based in San Diego, in San Diego County, California.
- License Number
- 884110
- Issued
- Sep 13, 2006
- Status
- CLEAR
- Expires
- Sep 30, 2026
- Entity
- Sole Owner
- Surety
- Travelers Casualty and Surety Company of America
- Bond Number
- 108442451
- Effective
- Mar 4, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Sep 20, 2024
- 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 Costello Denis M licensed in California?
Yes. Costello Denis M holds California Contractors State License Board license number 884110. The license was first issued on September 13, 2006. It is valid through September 30, 2026.
What does Costello Denis M specialize in?
Costello Denis M is licensed for one CSLB classification: B General Building Contractor.
Where is Costello Denis M headquartered?
Costello Denis M is headquartered at P O Box 99635, San Diego, CA 92169, in San Diego County, California.
Does Costello Denis M have an active surety bond on file with CSLB?
Yes. Costello Denis M has an active California contractor surety bond filed with Travelers Casualty and Surety Company of America.
Does Costello Denis M carry workers' compensation coverage?
Costello Denis M reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Costello Denis M's contractor license?
You can verify Costello Denis M's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=884110.
- License issuedSep 13, 2006
- WC coverage startsSep 20, 2024
- Bond activeMar 4, 2026
- License expiresSep 30, 2026
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