Walburger Matthew M, C-20 HVAC Contractor in Martinez, CA
Walburger Matthew M operating as a sole owner holds California contractor license #1015224, which is currently expired (lapsed Jun 30, 2026) and not valid to contract until it is renewed. First issued in 2016, the license has been on the CSLB roster for 10 years. It carries a single CSLB classification: C-20 — HVAC Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Continental Casualty Company. The business is based in Martinez, in Contra Costa County, California.
- License Number
- 1015224
- Issued
- Jun 16, 2016
- Status
- CLEAR
- Expires
- Jun 30, 2026
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100312032
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Continental Casualty Company
- Policy Number
- 8035864503
- Effective
- Apr 17, 2026
- Expires
- Apr 17, 2027
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Walburger Matthew M licensed in California?
Walburger Matthew M previously held California Contractors State License Board license number 1015224, but the license expired on June 30, 2026 and is not currently valid. It was first issued on June 16, 2016.
What does Walburger Matthew M specialize in?
Walburger Matthew M is licensed for one CSLB classification: C-20 HVAC Contractor.
Where is Walburger Matthew M headquartered?
Walburger Matthew M is headquartered at Po Box 1645, Martinez, CA 94550, in Contra Costa County, California.
Does Walburger Matthew M have an active surety bond on file with CSLB?
Yes. Walburger Matthew M has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Walburger Matthew M carry workers' compensation coverage?
Yes. Walburger Matthew M carries active workers' compensation coverage through Continental Casualty Company.
How do I verify Walburger Matthew M's contractor license?
You can verify Walburger Matthew M's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1015224.
- License issuedJun 16, 2016
- Bond activeJan 1, 2023
- WC coverage startsApr 17, 2026
- License expiredJun 30, 2026
- WC expiresApr 17, 2027
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