Public CSLB records

Hartwig Builds INC, B General Building Contractor in Oakland, CA

License #1124437·Corporation·Oakland, Alameda County
Download PDF
Owed money by Hartwig Builds INC? File a 20-day preliminary notice to keep your lien rights.Send a notice
Summary

Hartwig Builds INC operating as a corporation holds California contractor license #1124437, which is currently expired (lapsed Jul 31, 2026) and not valid to contract until it is renewed. First issued in 2024, the license has been on the CSLB roster for 2 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from American Casualty Company of Reading PA. The business is based in Oakland, in Alameda County, California.

Business Information
Address
15 Marr Avenue
Oakland, CA 94611
License Details & Classifications
License Number
1124437
Issued
Jul 30, 2024
Status
CLEAR
Expires
Jul 31, 2026
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
100874315
Effective
Jul 25, 2024
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
American Casualty Company of Reading PA
Policy Number
8035859849
Effective
Apr 21, 2026
Expires
Apr 21, 2027
Alert

This contractor has a compliance issue in its public CSLB record:

  • License expired
License StatusInactive / Expired
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 Hartwig Builds INC licensed in California?

Hartwig Builds INC previously held California Contractors State License Board license number 1124437, but the license expired on July 31, 2026 and is not currently valid. It was first issued on July 30, 2024.

What does Hartwig Builds INC specialize in?

Hartwig Builds INC is licensed for one CSLB classification: B General Building Contractor.

Where is Hartwig Builds INC headquartered?

Hartwig Builds INC is headquartered at 15 Marr Avenue, Oakland, CA 94611, in Alameda County, California.

Does Hartwig Builds INC have an active surety bond on file with CSLB?

Yes. Hartwig Builds INC has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Hartwig Builds INC carry workers' compensation coverage?

Yes. Hartwig Builds INC carries active workers' compensation coverage through American Casualty Company of Reading PA.

How do I verify Hartwig Builds INC's contractor license?

You can verify Hartwig Builds INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1124437.

Activity Timeline
  1. Bond activeJul 25, 2024
  2. License issuedJul 30, 2024
  3. WC coverage startsApr 21, 2026
  4. License expiredJul 31, 2026
  5. WC expiresApr 21, 2027
Other contractors in Alameda County
California lien & payment resources

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

Own Hartwig Builds INC? Claim or correct this profile