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State files updated Oct 30, 2026
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California contractor license

Sierra Excavating Inc

Sierra Excavating Inc of Nevada City holds California license 897544 (C12 Earthwork and Paving). The CSLB file dated Oct 30, 2026 lists it as active.1 It expires May 31, 2027.

Active

Sierra Excavating Inc, Nevada City

License
897544
Class
C12 Earthwork and Paving
Expires
May 31, 2027
Bond
$25,000
Workers' comp
Insured to Aug 4, 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
$25,000Atlantic Specialty Insurance Company, from Sep 1, 2026, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredWCF National Insurance Company, from Aug 4, 2026, to Aug 4, 2027

Who is on this license?

Officer
Tina S. TeseneSince May 31, 2007
Responsible managing officer, CEO and president
Richard S. TeseneSince May 31, 2007

What work does this license cover?

Issued May 31, 2007.

Which other Nevada City 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 30, 2026)
  2. Contractors State License Board (CSLB)