Martin Heating and Air, C-20 HVAC Contractor in Grass Valley, CA
Martin Heating and Air operating as a sole owner holds California contractor license #747937, which is currently expired (lapsed Apr 30, 2026) and not valid to contract until it is renewed. First issued in 1998, the license has been on the CSLB roster for 28 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Company and a previously-filed workers' compensation policy with Clear Spring Property and Casualty Company that is no longer active. The business is based in Grass Valley, in Nevada County, California.
- License Number
- 747937
- Issued
- Apr 9, 1998
- Status
- CLEAR
- Expires
- Apr 30, 2026
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 67737827
- Effective
- Feb 8, 2026
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Clear Spring Property and Casualty Company
- Policy Number
- CWC01795402
- Effective
- Mar 23, 2025
- Expires
- Mar 23, 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 Martin Heating and Air licensed in California?
Martin Heating and Air previously held California Contractors State License Board license number 747937, but the license expired on April 30, 2026 and is not currently valid. It was first issued on April 9, 1998.
What does Martin Heating and Air specialize in?
Martin Heating and Air is licensed for one CSLB classification: C-20 HVAC Contractor.
Where is Martin Heating and Air headquartered?
Martin Heating and Air is headquartered at 16090 Dry Creek Lane, Grass Valley, CA 95949, in Nevada County, California.
Does Martin Heating and Air have an active surety bond on file with CSLB?
Yes. Martin Heating and Air has an active California contractor surety bond filed with Western Surety Company.
Does Martin Heating and Air carry workers' compensation coverage?
Martin Heating and Air has a previously-filed workers' compensation policy with Clear Spring Property and Casualty Company that is no longer active.
How do I verify Martin Heating and Air's contractor license?
You can verify Martin Heating and Air's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=747937.
- License issuedApr 9, 1998
- WC coverage startsMar 23, 2025
- Bond activeFeb 8, 2026
- WC expiredMar 23, 2026
- License expiredApr 30, 2026
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