Altered Air, C-20 HVAC Contractor in San Marcos, CA
Altered Air operating as a sole owner holds an active California contractor license (CSLB #531080), valid through Mar 31, 2028. First issued in 1988, the license has been on the CSLB roster for 38 years. It carries 2 CSLB classifications: C-20 HVAC Contractor and C-38 Refrigeration Contractor. Records show an active surety bond on file with Philadelphia Indemnity Insurance Company and active workers' compensation coverage from Mid-Century Insurance Company. The business is based in San Marcos, in San Diego County, California.
- License Number
- 531080
- Issued
- May 26, 1988
- Status
- CLEAR
- Expires
- Mar 31, 2028
- Entity
- Sole Owner
- Surety
- Philadelphia Indemnity Insurance Company
- Bond Number
- PB10163408807
- Effective
- Mar 2, 2026
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Mid-Century Insurance Company
- Policy Number
- A09512647
- Effective
- Jan 27, 2026
- Expires
- Jan 27, 2027
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Altered Air licensed in California?
Yes. Altered Air holds California Contractors State License Board license number 531080, which is active and in good standing. The license was first issued on May 26, 1988. It is valid through March 31, 2028.
What does Altered Air specialize in?
Altered Air is licensed for 2 CSLB classifications: C-20 HVAC Contractor and C-38 Refrigeration Contractor.
Where is Altered Air headquartered?
Altered Air is headquartered at Po Box 1357, San Marcos, CA 92079, in San Diego County, California.
Does Altered Air have an active surety bond on file with CSLB?
Yes. Altered Air has an active California contractor surety bond filed with Philadelphia Indemnity Insurance Company.
Does Altered Air carry workers' compensation coverage?
Yes. Altered Air carries active workers' compensation coverage through Mid-Century Insurance Company.
How do I verify Altered Air's contractor license?
You can verify Altered Air's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=531080.
- License issuedMay 26, 1988
- WC coverage startsJan 27, 2026
- Bond activeMar 2, 2026
- WC expiresJan 27, 2027
- License expiresMar 31, 2028
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