Modern Heating and Air Conditioning, C-20 HVAC Contractor in Oakland, CA
Modern Heating and Air Conditioning operating as a sole owner holds an active California contractor license (CSLB #685104), valid through Mar 31, 2028. First issued in 1994, the license has been on the CSLB roster for 32 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 Markel American Insurance Company. The business is based in Oakland, in Alameda County, California.
- License Number
- 685104
- Issued
- Mar 11, 1994
- Status
- CLEAR
- Expires
- Mar 31, 2028
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 67697602
- Effective
- Nov 19, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Markel American Insurance Company
- Policy Number
- MWC013764508
- Effective
- Nov 2, 2025
- Expires
- Nov 2, 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 Modern Heating and Air Conditioning licensed in California?
Yes. Modern Heating and Air Conditioning holds California Contractors State License Board license number 685104, which is active and in good standing. The license was first issued on March 11, 1994. It is valid through March 31, 2028.
What does Modern Heating and Air Conditioning specialize in?
Modern Heating and Air Conditioning is licensed for one CSLB classification: C-20 HVAC Contractor.
Where is Modern Heating and Air Conditioning headquartered?
Modern Heating and Air Conditioning is headquartered at P O Box 70511, Oakland, CA 946120511, in Alameda County, California.
Does Modern Heating and Air Conditioning have an active surety bond on file with CSLB?
Yes. Modern Heating and Air Conditioning has an active California contractor surety bond filed with Western Surety Company.
Does Modern Heating and Air Conditioning carry workers' compensation coverage?
Yes. Modern Heating and Air Conditioning carries active workers' compensation coverage through Markel American Insurance Company.
How do I verify Modern Heating and Air Conditioning's contractor license?
You can verify Modern Heating and Air Conditioning's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=685104.
- License issuedMar 11, 1994
- WC coverage startsNov 2, 2025
- Bond activeNov 19, 2025
- WC expiresNov 2, 2026
- License expiresMar 31, 2028
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