Marathon Mechanical INC, C-20 HVAC Contractor in La Verne, CA
Marathon Mechanical INC operating as a corporation holds California contractor license #1000799, which is currently expired (lapsed Aug 31, 2026) and not valid to contract until it is renewed. First issued in 2015, the license has been on the CSLB roster for 11 years. It carries a single CSLB classification: C-20 — HVAC Contractor. Records show an active surety bond on file with Western Surety Company and a previously-filed workers' compensation policy with National Fire Insurance Company of Hartford that is no longer active. The business is based in La Verne, in Los Angeles County, California.
- License Number
- 1000799
- Issued
- Feb 5, 2015
- Status
- CLEAR
- Expires
- Aug 31, 2026
- Entity
- Corporation
- Surety
- Western Surety Company
- Bond Number
- 67127712
- Effective
- Aug 23, 2024
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- National Fire Insurance Company of Hartford
- Policy Number
- 8035623217
- Effective
- Aug 20, 2025
- Expires
- Aug 20, 2026
This contractor has a compliance issue in its public CSLB record:
- License expired
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Marathon Mechanical INC licensed in California?
Marathon Mechanical INC previously held California Contractors State License Board license number 1000799, but the license expired on August 31, 2026 and is not currently valid. It was first issued on February 5, 2015.
What does Marathon Mechanical INC specialize in?
Marathon Mechanical INC is licensed for one CSLB classification: C-20 HVAC Contractor.
Where is Marathon Mechanical INC headquartered?
Marathon Mechanical INC is headquartered at P O Box 916, La Verne, CA 91750, in Los Angeles County, California.
Does Marathon Mechanical INC have an active surety bond on file with CSLB?
Yes. Marathon Mechanical INC has an active California contractor surety bond filed with Western Surety Company.
Does Marathon Mechanical INC carry workers' compensation coverage?
Marathon Mechanical INC has a previously-filed workers' compensation policy with National Fire Insurance Company of Hartford that is no longer active.
How do I verify Marathon Mechanical INC's contractor license?
You can verify Marathon Mechanical INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1000799.
- License issuedFeb 5, 2015
- Bond activeAug 23, 2024
- WC coverage startsAug 20, 2025
- WC expiredAug 20, 2026
- License expiredAug 31, 2026
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