Public CSLB records

M D Builders INC, B General Building Contractor in Concord, CA

License #905373·Corporation·Concord, Contra Costa County
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Summary

M D Builders INC operating as a corporation holds an active California contractor license (CSLB #905373), valid through Oct 31, 2027. First issued in 2007, the license has been on the CSLB roster for 19 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Zurich American Insurance Company and active workers' compensation coverage from First Liberty Insurance Corporation. The business is based in Concord, in Contra Costa County, California.

Business Information
Address
2001 Clayton Road Floor 7
Concord, CA 94520
License Details & Classifications
License Number
905373
Issued
Oct 23, 2007
Status
CLEAR
Expires
Oct 31, 2027
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Zurich American Insurance Company
Bond Number
9430678
Effective
Oct 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
First Liberty Insurance Corporation
Policy Number
WA666D066493035
Effective
Aug 1, 2025
Expires
Aug 1, 2026
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 M D Builders INC licensed in California?

Yes. M D Builders INC holds California Contractors State License Board license number 905373, which is active and in good standing. The license was first issued on October 23, 2007. It is valid through October 31, 2027.

What does M D Builders INC specialize in?

M D Builders INC is licensed for one CSLB classification: B General Building Contractor.

Where is M D Builders INC headquartered?

M D Builders INC is headquartered at 2001 Clayton Road Floor 7, Concord, CA 94520, in Contra Costa County, California.

Does M D Builders INC have an active surety bond on file with CSLB?

Yes. M D Builders INC has an active California contractor surety bond filed with Zurich American Insurance Company.

Does M D Builders INC carry workers' compensation coverage?

Yes. M D Builders INC carries active workers' compensation coverage through First Liberty Insurance Corporation.

How do I verify M D Builders INC's contractor license?

You can verify M D Builders INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=905373.

Activity Timeline
  1. License issuedOct 23, 2007
  2. Bond activeOct 1, 2023
  3. WC coverage startsAug 1, 2025
  4. WC expiresAug 1, 2026
  5. License expiresOct 31, 2027
Other contractors in Contra Costa County
California lien & payment resources

Working a California job with M D Builders INC, 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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