Hammer Heating & Air, C-20 HVAC Contractor in Upland, CA
Hammer Heating & Air operating as a corporation holds an active California contractor license (CSLB #1119562), valid through Apr 30, 2028. First issued in 2024, the license has been on the CSLB roster for 2 years. It carries a single CSLB classification: C-20 — HVAC Contractor. Records show an active surety bond on file with Philadelphia Indemnity Insurance Company and active workers' compensation coverage from Transportation Insurance Company. The business is based in Upland, in San Bernardino County, California.
- License Number
- 1119562
- Issued
- Apr 18, 2024
- Status
- CLEAR
- Expires
- Apr 30, 2028
- Entity
- Corporation
- Surety
- Philadelphia Indemnity Insurance Company
- Bond Number
- PB10163409210
- Effective
- Apr 4, 2026
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Transportation Insurance Company
- Policy Number
- 8035832909
- Effective
- Apr 4, 2026
- Expires
- Apr 4, 2027
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 Hammer Heating & Air licensed in California?
Yes. Hammer Heating & Air holds California Contractors State License Board license number 1119562, which is active and in good standing. The license was first issued on April 18, 2024. It is valid through April 30, 2028.
What does Hammer Heating & Air specialize in?
Hammer Heating & Air is licensed for one CSLB classification: C-20 HVAC Contractor.
Where is Hammer Heating & Air headquartered?
Hammer Heating & Air is headquartered at 1621 Carmel Cir E, Upland, CA 91784, in San Bernardino County, California.
Does Hammer Heating & Air have an active surety bond on file with CSLB?
Yes. Hammer Heating & Air has an active California contractor surety bond filed with Philadelphia Indemnity Insurance Company.
Does Hammer Heating & Air carry workers' compensation coverage?
Yes. Hammer Heating & Air carries active workers' compensation coverage through Transportation Insurance Company.
How do I verify Hammer Heating & Air's contractor license?
You can verify Hammer Heating & Air's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1119562.
- License issuedApr 18, 2024
- Bond activeApr 4, 2026
- WC coverage startsApr 4, 2026
- WC expiresApr 4, 2027
- License expiresApr 30, 2028
- A Plumbing and Heating#230462Big Bear City·C-16 Fire Protection Contractor
- Airite Heating and Air Conditioning INC#232930Ontario·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
- Pagel Plumbing INC#185892Highland·C-20 HVAC Contractor
- Henry Bush Plumbing Heating Air & Home Energy Solutions#184826Redlands·B General Building Contractor
- Williams Joey#334015Apple Valley·C-20 HVAC Contractor
- Niez Robert M#346764Big Bear City·C-16 Fire Protection Contractor
- Green Zone Experts#353951Victorville·C-20 HVAC Contractor
- Rosati S I Air Conditioning#371026Alta Loma·C-20 HVAC Contractor
Working a California job with Hammer Heating & Air, 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 Hammer Heating & Air? Claim or correct this profile