Advanced Mechanical Services of Southern California, C-20 HVAC Contractor in Riverside, CA
Advanced Mechanical Services of Southern California operating as a sole owner holds California contractor license #876948, which is currently expired (lapsed Apr 30, 2026) and not valid to contract until it is renewed. First issued in 2006, the license has been on the CSLB roster for 20 years. It carries 2 CSLB classifications: C-20 HVAC Contractor and C-38 Refrigeration Contractor. Records show a previously-filed surety bond from American Contractors Indemnity Company that is no longer active and active workers' compensation coverage from Valley Forge Insurance Company. The business is based in Riverside, in Riverside County, California.
- License Number
- 876948
- Issued
- Apr 27, 2006
- Status
- CLEAR
- Expires
- Apr 30, 2026
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100219260
- Effective
- Jan 1, 2023
- Status
- Cancelled
- Cancelled
- May 1, 2026
- Coverage
- Workers' Compensation Insurance
- Carrier
- Valley Forge Insurance Company
- Policy Number
- WC835754759
- Effective
- Jan 1, 2026
- Expires
- Jan 1, 2027
This contractor has a compliance issue in its public CSLB record:
- License expired
- Contractor bond cancelled
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Advanced Mechanical Services of Southern California licensed in California?
Advanced Mechanical Services of Southern California previously held California Contractors State License Board license number 876948, but the license expired on April 30, 2026 and is not currently valid. It was first issued on April 27, 2006.
What does Advanced Mechanical Services of Southern California specialize in?
Advanced Mechanical Services of Southern California is licensed for 2 CSLB classifications: C-20 HVAC Contractor and C-38 Refrigeration Contractor.
Where is Advanced Mechanical Services of Southern California headquartered?
Advanced Mechanical Services of Southern California is headquartered at 6185 Magnolia Avenue 012, Riverside, CA 92506, in Riverside County, California.
Does Advanced Mechanical Services of Southern California have an active surety bond on file with CSLB?
Advanced Mechanical Services of Southern California has a previously-filed surety bond from American Contractors Indemnity Company that is no longer active.
Does Advanced Mechanical Services of Southern California carry workers' compensation coverage?
Yes. Advanced Mechanical Services of Southern California carries active workers' compensation coverage through Valley Forge Insurance Company.
How do I verify Advanced Mechanical Services of Southern California's contractor license?
You can verify Advanced Mechanical Services of Southern California's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=876948.
- License issuedApr 27, 2006
- Bond activeJan 1, 2023
- WC coverage startsJan 1, 2026
- License expiredApr 30, 2026
- Bond cancelledMay 1, 2026
- WC expiresJan 1, 2027
- Danco Companies#532824Eastvale·B General Building Contractor
- Permafrost Refrigeration and Air Conditioning#582453Murrieta·C-20 HVAC Contractor
- Paul's Air Conditioning & Heating CO INC#577952Cathedral City·C-20 HVAC Contractor
- Select A C R INC#328186Riverside·C-20 HVAC Contractor
- Economy Air Conditioning INC#387627Corona·C-20 HVAC Contractor
- Dzikowski Ted S#381054Hemet·B General Building Contractor
- Couts Heating & Cooling INC#375584Corona·B General Building Contractor
- Hasco Heating Airconditioning Service Company INC#519360Riverside·C-2 Insulation and Acoustical Contractor
Working a California job with Advanced Mechanical Services of Southern California, 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 Advanced Mechanical Services of Southern California? Claim or correct this profile