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California contractor license

Comfort Dynamics Inc

Comfort Dynamics Inc of San Leandro holds California license 768923 (C20 Warm-Air Heating, Ventilating and Air-Conditioning, C36 Plumbing, C46 Solar). The CSLB file dated Oct 29, 2026 lists it as active.1 It expires Sep 30, 2027.

Licensed 27 years, longer than 77% of 27 active San Leandro plumbing contractors.

Active

Comfort Dynamics Inc, San Leandro

License
768923
Class
C20 Warm-Air Heating, Ventilating and Air-Conditioning; C36 Plumbing; C46 Solar
Expires
Sep 30, 2027
Bond
$25,000
Workers' comp
Insured to Feb 19, 2027

CSLB file dated Oct 29, 2026

From the CSLB file dated Oct 29, 2026. Not a consumer report; check the board before you hire.

What bond, insurance and workers' comp are on file?

Bond
$25,000American Contractors Indemnity Company, from Jan 1, 2023, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredEmployers Preferred Insurance Company, from Feb 19, 2026, to Feb 19, 2027

Who is on this license?

Officer
Danielle J. Rivera-De MeoSince Dec 8, 2014
Responsible managing officer, CEO and president
Anthony M. de MeoSince Sep 17, 1999

What work does this license cover?

Issued Sep 17, 1999.

Which other San Leandro businesses hold C20 Warm-Air Heating, Ventilating and Air-Conditioning?

California plumbing contractorsCalifornia HVAC contractors

What should you check before hiring?

What to ask before you hire

  1. Get the license number in writing. The name on the license should match the name on your contract and invoice.
  2. Check the class covers the job. A license for one trade doesn't cover another. California license classes
  3. Ask for a certificate of insurance sent to you by the insurance agent, not handed over by the contractor. How to read a COI
  4. 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.
  5. 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

  1. Don't sign or pay a deposit until the CSLB shows the license active again.
  2. 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.
  3. If work has started, hold further payments, keep the contract, receipts and photos, and file a complaint with Contractors State License Board (CSLB).
  4. Check another contractor. California license lookup

Sources

  1. CSLB License Master (cslb.ca.gov, Oct 29, 2026)
  2. Contractors State License Board (CSLB)