Marcos Air Conditioning, C-20 HVAC Contractor in Ontario, CA
Marcos Air Conditioning operating as a sole owner holds California contractor license #950285, which is currently expired (lapsed Jul 31, 2026) and not valid to contract until it is renewed. First issued in 2010, the license has been on the CSLB roster for 16 years. It carries a single CSLB classification: C-20 — HVAC Contractor. Records show an active surety bond on file with Western Surety Company and active workers' compensation coverage from Sunz Insurance Company. The business is based in Ontario, in San Bernardino County, California.
- License Number
- 950285
- Issued
- Jul 21, 2010
- Status
- CLEAR
- Expires
- Jul 31, 2026
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 66983085
- Effective
- Jun 2, 2024
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Sunz Insurance Company
- Policy Number
- WC20201517026
- Effective
- Jan 1, 2026
- Expires
- Jan 1, 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 Marcos Air Conditioning licensed in California?
Marcos Air Conditioning previously held California Contractors State License Board license number 950285, but the license expired on July 31, 2026 and is not currently valid. It was first issued on July 21, 2010.
What does Marcos Air Conditioning specialize in?
Marcos Air Conditioning is licensed for one CSLB classification: C-20 HVAC Contractor.
Where is Marcos Air Conditioning headquartered?
Marcos Air Conditioning is headquartered at 636 West Sonoma Court, Ontario, CA 91761, in San Bernardino County, California.
Does Marcos Air Conditioning have an active surety bond on file with CSLB?
Yes. Marcos Air Conditioning has an active California contractor surety bond filed with Western Surety Company.
Does Marcos Air Conditioning carry workers' compensation coverage?
Yes. Marcos Air Conditioning carries active workers' compensation coverage through Sunz Insurance Company.
How do I verify Marcos Air Conditioning's contractor license?
You can verify Marcos Air Conditioning's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=950285.
- License issuedJul 21, 2010
- Bond activeJun 2, 2024
- WC coverage startsJan 1, 2026
- License expiredJul 31, 2026
- WC expiresJan 1, 2027
- W C C S INC#655509Rancho Cucamonga·B General Building Contractor
- West Heating & Air#559399Apple Valley·C-20 HVAC Contractor
- Van Dyke Corporation the#56557629 Palms·A General Engineering Contractor
- Air Control Specialties INC#570881Ontario·C-20 HVAC Contractor
- Courtesy Air#578923Highland·C-20 HVAC Contractor
- Inter-City Energy Systems INC#587709Ontario·B General Building Contractor
- Thurlow's Heating & Air Conditioning INC#551695Victorville·C-20 HVAC Contractor
- Rhino Mechanical INC#551799Upland·C-20 HVAC Contractor
Working a California job with Marcos Air Conditioning, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own Marcos Air Conditioning? Claim or correct this profile