Mark's A / C Services, C-20 HVAC Contractor in Alta Loma, CA
Mark's A / C Services operating as a sole owner holds an active California contractor license (CSLB #828077), valid through Dec 31, 2027. First issued in 2003, the license has been on the CSLB roster for 23 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 Technology Insurance Company INC. The business is based in Alta Loma, in San Bernardino County, California.
- License Number
- 828077
- Issued
- Dec 5, 2003
- Status
- CLEAR
- Expires
- Dec 31, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100745332
- Effective
- May 6, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Technology Insurance Company INC
- Policy Number
- TWP4692619
- Effective
- Nov 10, 2025
- Expires
- Nov 10, 2026
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 Mark's A / C Services licensed in California?
Yes. Mark's A / C Services holds California Contractors State License Board license number 828077, which is active and in good standing. The license was first issued on December 5, 2003. It is valid through December 31, 2027.
What does Mark's A / C Services specialize in?
Mark's A / C Services is licensed for one CSLB classification: C-20 HVAC Contractor.
Where is Mark's A / C Services headquartered?
Mark's A / C Services is headquartered at 8563 Orange St, Alta Loma, CA 91701, in San Bernardino County, California.
Does Mark's A / C Services have an active surety bond on file with CSLB?
Yes. Mark's A / C Services has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Mark's A / C Services carry workers' compensation coverage?
Yes. Mark's A / C Services carries active workers' compensation coverage through Technology Insurance Company INC.
How do I verify Mark's A / C Services's contractor license?
You can verify Mark's A / C Services's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=828077.
- License issuedDec 5, 2003
- Bond activeMay 6, 2023
- WC coverage startsNov 10, 2025
- WC expiresNov 10, 2026
- License expiresDec 31, 2027
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