Madden Engineering, A General Engineering Contractor in Concord, CA
Madden Engineering operating as a limited liability holds an active California contractor license (CSLB #1151893), valid through Mar 31, 2028. It carries a single CSLB classification: A — General Engineering Contractor. Records show an active surety bond on file with Nationwide Mutual Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Concord, in Contra Costa County, California.
- License Number
- 1151893
- Issued
- Mar 13, 2026
- Status
- CLEAR
- Expires
- Mar 31, 2028
- Entity
- Limited Liability
- Surety
- Nationwide Mutual Insurance Company
- Bond Number
- 7901211066
- Effective
- Feb 11, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Feb 17, 2026
- Expires
- —
Recently licensed: the CSLB license is active and in good standing, issued within the last 2 years.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Madden Engineering licensed in California?
Yes. Madden Engineering holds California Contractors State License Board license number 1151893, which is active and in good standing. The license was first issued on March 13, 2026. It is valid through March 31, 2028.
What does Madden Engineering specialize in?
Madden Engineering is licensed for one CSLB classification: A General Engineering Contractor.
Where is Madden Engineering headquartered?
Madden Engineering is headquartered at 4295 Chole Dr, Concord, CA 94518, in Contra Costa County, California.
Does Madden Engineering have an active surety bond on file with CSLB?
Yes. Madden Engineering has an active California contractor surety bond filed with Nationwide Mutual Insurance Company.
Does Madden Engineering carry workers' compensation coverage?
Madden Engineering reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Madden Engineering's contractor license?
You can verify Madden Engineering's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1151893.
- Bond activeFeb 11, 2026
- WC coverage startsFeb 17, 2026
- License issuedMar 13, 2026
- License expiresMar 31, 2028
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