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California contractor license
J D Mechanical Heating And Air Inc
J D Mechanical Heating And Air Inc of Jamul holds California license 882046 (C20 Warm-Air Heating, Ventilating and Air-Conditioning). The CSLB file dated Nov 1, 2026 lists it as active.1 It expires Feb 29, 2028.
Licensed 20 years, longer than 68% of 7,757 active California HVAC contractors.
Active
- Workers' comp ends Nov 15, 2026 (14 days)
J D Mechanical Heating And Air Inc, Jamul
- License
- 882046
- Class
- C20 Warm-Air Heating, Ventilating and Air-Conditioning
- Expires
- Feb 29, 2028
- Bond
- $25,000
- Workers' comp
- Insured to Nov 15, 2026
CSLB file dated Nov 1, 2026
From the CSLB file dated Nov 1, 2026. Not a consumer report; check the board before you hire.
Has the board taken action on this license?
None in the CSLB file dated Nov 1, 2026. Confirm with the board: CSLB license check
What bond, insurance and workers' comp are on file?
- Bond
- $25,000Atlantic Specialty Insurance Company, from Sep 1, 2026, continuous
- Liability insurance
- Not in the CSLB fileCheck with the board
- Workers' comp
- InsuredMid-Century Insurance Company, from Nov 15, 2022, to Nov 15, 2026
Who is on this license?
- Officer
- Stacy R. DimartinoSince Feb 20, 2018
- Responsible managing officer, CEO and president
- Jason A. DimartinoSince Aug 4, 2006
What work does this license cover?
Issued Aug 4, 2006. Reissued Feb 20, 2018.
Which other Jamul businesses hold C20 Warm-Air Heating, Ventilating and Air-Conditioning?
- Brown G E Service IncLicensed since 1999
What should you check before hiring?
What to ask before you hire
- Ask whether it has been renewed. Something on this license ends within 60 days. Check again before you pay a deposit.
- Get the license number in writing. The name on the license should match the name on your contract and invoice.
- Check the class covers the job. A license for one trade doesn't cover another. California license classes
- Ask for a certificate of insurance sent to you by the insurance agent, not handed over by the contractor. How to read a COI
- Ask who will be on site. If a crew works on your property, ask for proof of workers' comp. An exemption on file means the contractor told the CSLB it has no employees.
- Put it in a written contract: license number, price, start date and payment schedule. Check the license again on the day you sign.
If the license is lapsed
- Don't sign or pay a deposit until the CSLB shows the license active again.
- Ask the contractor why. For a bond or insurance lapse, ask for proof that the new bond or policy was filed with the CSLB, then check again.
- If work has started, hold further payments, keep the contract, receipts and photos, and file a complaint with Contractors State License Board (CSLB).
- Check another contractor. California license lookup
Sources
- CSLB License Master (cslb.ca.gov, Nov 1, 2026)
- Contractors State License Board (CSLB)