Public CSLB records

Detailed Modular Construction INC, B General Building Contractor in Oakley, CA

License #1135407·Corporation·Oakley, Contra Costa County
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Summary

Detailed Modular Construction INC operating as a corporation holds an active California contractor license (CSLB #1135407), valid through Apr 30, 2027. First issued in 2025, the license has been on the CSLB roster for 1 year. 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 Norguard Insurance Company. The business is based in Oakley, in Contra Costa County, California.

Business Information
Address
224 Hearthstone Cir
Oakley, CA 94561
Phone
License Details & Classifications
License Number
1135407
Issued
Apr 4, 2025
Status
CLEAR
Expires
Apr 30, 2027
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Merchants Bonding Company (mutual)
Bond Number
101405339
Effective
Feb 5, 2025
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Norguard Insurance Company
Policy Number
DEWC618507
Effective
Dec 20, 2025
Expires
Dec 20, 2026
Newly Licensed

Recently licensed: the CSLB license is active and in good standing, issued within the last 2 years.

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 Detailed Modular Construction INC licensed in California?

Yes. Detailed Modular Construction INC holds California Contractors State License Board license number 1135407, which is active and in good standing. The license was first issued on April 4, 2025. It is valid through April 30, 2027.

What does Detailed Modular Construction INC specialize in?

Detailed Modular Construction INC is licensed for one CSLB classification: B General Building Contractor.

Where is Detailed Modular Construction INC headquartered?

Detailed Modular Construction INC is headquartered at 224 Hearthstone Cir, Oakley, CA 94561, in Contra Costa County, California.

Does Detailed Modular Construction INC have an active surety bond on file with CSLB?

Yes. Detailed Modular Construction INC has an active California contractor surety bond filed with Merchants Bonding Company (mutual).

Does Detailed Modular Construction INC carry workers' compensation coverage?

Yes. Detailed Modular Construction INC carries active workers' compensation coverage through Norguard Insurance Company.

How do I verify Detailed Modular Construction INC's contractor license?

You can verify Detailed Modular Construction INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1135407.

Activity Timeline
  1. Bond activeFeb 5, 2025
  2. License issuedApr 4, 2025
  3. WC coverage startsDec 20, 2025
  4. WC expiresDec 20, 2026
  5. License expiresApr 30, 2027
Other contractors in Contra Costa County
California lien & payment resources

Working a California job with Detailed Modular Construction 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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