Public CSLB records

Q D M Construction, B General Building Contractor in Antioch, CA

License #829168·Sole Owner·Antioch, Contra Costa County
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Summary

Q D M Construction operating as a sole owner holds an active California contractor license (CSLB #829168), valid through Dec 31, 2027. First issued in 2003, the license has been on the CSLB roster for 23 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and active workers' compensation coverage from Carolina Casualty Insurance Company. The business is based in Antioch, in Contra Costa County, California.

Business Information
Address
2441 Grimsby Dr
Antioch, CA 94509
License Details & Classifications
License Number
829168
Issued
Dec 18, 2003
Status
CLEAR
Expires
Dec 31, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
Merchants Bonding Company (mutual)
Bond Number
101395206
Effective
Feb 5, 2025
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Carolina Casualty Insurance Company
Policy Number
BNET858174528
Effective
Feb 14, 2026
Expires
Feb 14, 2027
Verified

This contractor is verified, with no adverse conditions in the current CSLB record.

License StatusActive
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Q D M Construction licensed in California?

Yes. Q D M Construction holds California Contractors State License Board license number 829168, which is active and in good standing. The license was first issued on December 18, 2003. It is valid through December 31, 2027.

What does Q D M Construction specialize in?

Q D M Construction is licensed for one CSLB classification: B General Building Contractor.

Where is Q D M Construction headquartered?

Q D M Construction is headquartered at 2441 Grimsby Dr, Antioch, CA 94509, in Contra Costa County, California.

Does Q D M Construction have an active surety bond on file with CSLB?

Yes. Q D M Construction has an active California contractor surety bond filed with Merchants Bonding Company (mutual).

Does Q D M Construction carry workers' compensation coverage?

Yes. Q D M Construction carries active workers' compensation coverage through Carolina Casualty Insurance Company.

How do I verify Q D M Construction's contractor license?

You can verify Q D M Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=829168.

Activity Timeline
  1. License issuedDec 18, 2003
  2. Bond activeFeb 5, 2025
  3. WC coverage startsFeb 14, 2026
  4. WC expiresFeb 14, 2027
  5. License expiresDec 31, 2027
Other contractors in Contra Costa County
California lien & payment resources

Working a California job with Q D M Construction, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.

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