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State files updated Oct 31, 2026
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California contractor license

Crevallo Construction Inc

Crevallo Construction Inc of Livermore holds California license 1042176 (B General Building). The CSLB file dated Oct 31, 2026 lists it as active.1 It expires Jul 31, 2028.

Active

Crevallo Construction Inc, Livermore

  • Workers' comp on file ended Oct 5, 2026.
License
1042176
Class
B General Building
Expires
Jul 31, 2028
Bond
$25,000
Workers' comp
Insured to Oct 5, 2026

CSLB file dated Oct 31, 2026

From the CSLB file dated Oct 31, 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 31, 2026. Confirm with the board: CSLB license check

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

Bond
$25,000North River Insurance Company (The), from Apr 25, 2024, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredClear Spring Property And Casualty Company, from Oct 5, 2025, to Oct 5, 2026

Who is on this license?

Officer
Dianne G. Willes-KrautSince Jul 23, 2018
Officer
Kelsey N. WillesSince Jul 23, 2018
Responsible managing officer
Lawrence T. KrautSince Jul 23, 2018
CEO and president
Eric A. WillesSince Jul 23, 2018

What work does this license cover?

Issued Jul 23, 2018.

Which other Livermore businesses hold B General Building?

General Contractors in LivermoreCalifornia general 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 31, 2026)
  2. Contractors State License Board (CSLB)