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California contractor license

Acon Builders Construction Inc

Acon Builders Construction Inc of Morgan Hill holds California license 644598 (A General Engineering, B General Building). The CSLB file dated Oct 29, 2026 lists it as active.1 It expires Jun 30, 2028.

Licensed 34 years, longer than 78% of 118 active Morgan Hill general contractors.

Active

Acon Builders Construction Inc, Morgan Hill

License
644598
Class
A General Engineering; B General Building
Expires
Jun 30, 2028
Bond
$25,000
Workers' comp
Insured to Aug 28, 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
$25,000Atlantic Specialty Insurance Company, from Sep 1, 2026, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredState Compensation Insurance Fund, from Aug 28, 2026, to Aug 28, 2027

Who is on this license?

Responsible managing officer
Lun C. ChanSince May 11, 1992
CEO and president
Danny K. ChanSince May 11, 1992

What work does this license cover?

Issued May 11, 1992. Inactive Jun 2, 2022 to Jun 14, 2022.

Which other Morgan Hill businesses hold A General Engineering?

General Contractors in Morgan HillCalifornia 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 29, 2026)
  2. Contractors State License Board (CSLB)