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State files updated Oct 30, 2026
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California contractor license

Custom Woodwork Inc

Custom Woodwork Inc of Oakland holds California license 1017051 (C6 Cabinet, Millwork and Finish Carpentry). The CSLB file dated Oct 30, 2026 lists it as active.1 It expires Oct 31, 2028.

Active

Custom Woodwork Inc, Oakland

License
1017051
Class
C6 Cabinet, Millwork and Finish Carpentry
Expires
Oct 31, 2028
Bond
$25,000
Workers' comp
Exempt

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
$25,000Jet Insurance Company, from Oct 23, 2026, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
Exemptfrom Sep 25, 2026

Who is on this license?

Responsible managing officer, CEO and president
Mariusz MarkielSince Aug 9, 2016

What work does this license cover?

Issued Aug 9, 2016. Inactive Sep 3, 2024 to Oct 1, 2024. Reissued Oct 23, 2026.

The workers' comp exemption means the holder told the CSLB it has no employees. If a crew works on your job, ask for a workers' comp certificate.

Which other Oakland businesses hold C6 Cabinet, Millwork and Finish Carpentry?

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)