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California contractor license

TDN Industries Inc

TDN Industries Inc of Los Osos holds California license 826563 (B General Building, C10 Electrical). The CSLB file dated Nov 1, 2026 lists it as active.1 It expires Dec 31, 2027.

Licensed 23 years, longer than 77% of 15,105 active California electrical contractors.

Active

TDN Industries Inc, Los Osos

License
826563
Class
B General Building; C10 Electrical
Expires
Dec 31, 2027
Bond
$25,000
Workers' comp
Insured to Jan 14, 2027

CSLB file dated Nov 1, 2026

From the CSLB file dated Nov 1, 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 Nov 1, 2026. Confirm with the board: CSLB license check

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

Bond
$25,000American Contractors Indemnity Company, from Dec 15, 2023, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredState Compensation Insurance Fund, from Jan 14, 2026, to Jan 14, 2027

Who is on this license?

Responsible managing officer, CEO and president
James W. KeeneySince Oct 24, 2003

What work does this license cover?

Issued Oct 24, 2003. Inactive Apr 25, 2011 to Feb 11, 2014. Reissued Dec 15, 2023.

Which other Los Osos businesses hold B General Building?

California electrical contractorsCalifornia 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, Nov 1, 2026)
  2. Contractors State License Board (CSLB)