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State files updated Oct 29, 2026
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California contractor license

Korte's Backhoe Service

Korte's Backhoe Service of Calistoga holds California license 1021601 (C12 Earthwork and Paving). The CSLB file dated Oct 29, 2026 lists it as active.1 It expires Dec 31, 2026.

Doing business as Korte Inc.

Active

Korte's Backhoe Service, Calistoga

License
1021601
Class
C12 Earthwork and Paving
Expires
Dec 31, 2026
Bond
$25,000
Workers' comp
Insured to Feb 1, 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
InsuredState Compensation Insurance Fund, from Feb 1, 2026, to Feb 1, 2027

Who is on this license?

Officer
Barbara A. KorteSince Dec 8, 2016
Officer
James D. KorteSince Dec 8, 2016
Responsible managing officer, CEO and president
David H. KorteSince Dec 8, 2016

What work does this license cover?

Issued Dec 8, 2016.

Which other Calistoga businesses hold C12 Earthwork and Paving?

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)