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California contractor license

Air - O - Service

Air - O - Service of Redding holds California license 846832 (C20 Warm-Air Heating, Ventilating and Air-Conditioning, C38 Refrigeration, C43 Sheet Metal). The CSLB file dated Oct 30, 2026 lists it as active.1 It expires Dec 31, 2027.

Doing business as J S Mechanical Inc.

Licensed 22 years, longer than 55% of 38 active Redding HVAC contractors.

Active

Air - O - Service, Redding

License
846832
Class
C20 Warm-Air Heating, Ventilating and Air-Conditioning; C38 Refrigeration; C43 Sheet Metal
Expires
Dec 31, 2027
Bond
$25,000
Workers' comp
Insured to Jan 1, 2027

CSLB file dated Oct 30, 2026

From the CSLB file dated Oct 30, 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 Oct 30, 2026. Confirm with the board: CSLB license check

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

Bond
$25,000Ohio Casualty Insurance Company (The), from Jan 1, 2023, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredCarolina Casualty Insurance Company, from Jan 1, 2026, to Jan 1, 2027

Who is on this license?

Responsible managing officer, CEO and president
Jack A. SandersSince Sep 16, 2004

What work does this license cover?

Issued Sep 16, 2004. Reissued Dec 15, 2005.

What other licenses does this business hold?

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

California 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 30, 2026)
  2. Contractors State License Board (CSLB)