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California contractor license

Zenzola Construction Inc

Zenzola Construction Inc of San Dimas holds California license 525379 (B General Building, D28 Doors, Gates and Activated Barrier Systems). The CSLB file dated Nov 1, 2026 lists it as active.1 It expires Mar 31, 2027.

Licensed 38 years, longer than 94% of 84 active San Dimas general contractors.

Active

Zenzola Construction Inc, San Dimas

License
525379
Class
B General Building; D28 Doors, Gates and Activated Barrier Systems
Expires
Mar 31, 2027
Bond
$25,000
Workers' comp
Exempt

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 Jan 1, 2023, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
Exemptfrom Mar 3, 2025

Who is on this license?

Officer
Correne D. ZenzolaSince Mar 27, 2007
Officer
Michael D. ZenzolaSince Nov 4, 2014
Responsible managing officer, CEO and president
Michael A. ZenzolaSince Feb 27, 1988

What work does this license cover?

Issued Feb 27, 1988. Reissued Mar 27, 2007.

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 San Dimas businesses hold B General Building?

California 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)