Extensive Air Conditioning INC, C-4 Boiler, Hot Water Heating and Steam Fitting Contractor in Brentwood, CA
Extensive Air Conditioning INC operating as a corporation holds an active California contractor license (CSLB #1046825), valid through Jun 30, 2027. First issued in 2018, the license has been on the CSLB roster for 8 years. It carries 2 CSLB classifications: C-4 Boiler, Hot Water Heating and Steam Fitting Contractor and C-20 HVAC Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Republic Indemnity Company of America. The business is based in Brentwood, in Contra Costa County, California.
- License Number
- 1046825
- Issued
- Nov 13, 2018
- Status
- CLEAR
- Expires
- Jun 30, 2027
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100729983
- Effective
- Mar 14, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Republic Indemnity Company of America
- Policy Number
- 25696403
- Effective
- Oct 1, 2025
- Expires
- Oct 1, 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 Extensive Air Conditioning INC licensed in California?
Yes. Extensive Air Conditioning INC holds California Contractors State License Board license number 1046825, which is active and in good standing. The license was first issued on November 13, 2018. It is valid through June 30, 2027.
What does Extensive Air Conditioning INC specialize in?
Extensive Air Conditioning INC is licensed for 2 CSLB classifications: C-4 Boiler, Hot Water Heating and Steam Fitting Contractor and C-20 HVAC Contractor.
Where is Extensive Air Conditioning INC headquartered?
Extensive Air Conditioning INC is headquartered at 900 Rutherford Circle, Brentwood, CA 94513, in Contra Costa County, California.
Does Extensive Air Conditioning INC have an active surety bond on file with CSLB?
Yes. Extensive Air Conditioning INC has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Extensive Air Conditioning INC carry workers' compensation coverage?
Yes. Extensive Air Conditioning INC carries active workers' compensation coverage through Republic Indemnity Company of America.
How do I verify Extensive Air Conditioning INC's contractor license?
You can verify Extensive Air Conditioning INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1046825.
- License issuedNov 13, 2018
- Bond activeMar 14, 2023
- WC coverage startsOct 1, 2025
- WC expiresOct 1, 2026
- License expiresJun 30, 2027
- N V Heathorn CO#761659Concord·A General Engineering Contractor
- City Mechanical INC#622065Hercules·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
- Bay Air Systems INC#450929Concord·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
- Cal-Neva Environmental Systems#365546Concord·B General Building Contractor
- Lescure Company INC#248204Concord·A General Engineering Contractor
- Martinez Sheet Metal INC#222277Martinez·B General Building Contractor
- Advanced Control#790912Orinda·C-20 HVAC Contractor
- Galaxy Construction Services INC#791356Pleasant Hill·B General Building Contractor
Working a California job with Extensive Air Conditioning INC, 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 Extensive Air Conditioning INC? Claim or correct this profile