Costella Mark Construction
Verified against CSLB on · View on CSLB
CSLB reason on file: Contr Bond Susp
License details
- License number
- 686665
- Status
- Suspended
- Classifications
- B · General Building
- Contractor bond
- $25,000
- Workers' comp
- Exempt
- License term on file
- April 5, 1994 – April 30, 2028
Business
- (925) 858 1036 (CSLB public record)
- 423 VERONA AVE, Danville, CA 94526Contra Costa County
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Frequently asked questions
Is Costella Mark Construction licensed in California?
Costella Mark Construction's California contractor license (CSLB #686665) is currently suspended as of our June 17, 2026 check of the CSLB public record. CSLB reason on file: Contr Bond Susp. Always confirm the current status on CSLB before hiring.
What is Costella Mark Construction's CSLB license number?
Costella Mark Construction's California contractor license number is 686665. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=686665
What kind of work is Costella Mark Construction licensed for?
Costella Mark Construction is classified under General Building (B) by the CSLB.
How do I verify Costella Mark Construction's license myself?
Look up license #686665 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=686665. This page reflects the CSLB public record as of June 17, 2026.
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.