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State files updated Oct 29, 2026

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California contractor license

Circle N Heating & Air Conditioning

Circle N Heating & Air Conditioning of Redding holds California license 850355 (C20 Warm-Air Heating, Ventilating and Air-Conditioning). The CSLB file dated Oct 29, 2026 lists it as active.1 It expires Nov 30, 2026.

Doing business as Circle N Inc.

Licensed 21 years, longer than 52% of 38 active Redding HVAC contractors.

Active

  • License ends Nov 30, 2026 (32 days)

Circle N Heating & Air Conditioning, Redding

License
850355
Class
C20 Warm-Air Heating, Ventilating and Air-Conditioning
Expires
Nov 30, 2026
Bond
$25,000
Workers' comp
Insured to Jun 12, 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
InsuredMarkel Insurance Company, from Jun 12, 2026, to Jun 12, 2027

Who is on this license?

Officer
Mary E. LundbergSince Nov 29, 2004
Officer
Kevin A. LundbergSince Nov 7, 2011
Officer
Mick WaligorskiSince Nov 17, 2021
Responsible managing officer
John A. LundbergSince Nov 29, 2004

What work does this license cover?

Issued Nov 29, 2004.

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. Ask whether it has been renewed. Something on this license ends within 60 days. Check again before you pay a deposit.
  2. Get the license number in writing. The name on the license should match the name on your contract and invoice.
  3. Check the class covers the job. A license for one trade doesn't cover another. California license classes
  4. Ask for a certificate of insurance sent to you by the insurance agent, not handed over by the contractor. How to read a COI
  5. 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.
  6. 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)