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State files updated Oct 29, 2026
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California contractor license

Aragon Construction Inc

Aragon Construction Inc of Montclair holds California license 799386 (B General Building, C2 Insulation and Acoustical, C17 Glazing, C23 Ornamental Metal, C29 Masonry, C43 Sheet Metal, D34). The CSLB file dated Oct 29, 2026 lists it as active.1 It expires Sep 30, 2027.

Licensed 25 years, longer than 76% of 47 active Montclair general contractors.

Active

Aragon Construction Inc, Montclair

License
799386
Class
B General Building; C2 Insulation and Acoustical; C17 Glazing; C23 Ornamental Metal; C29 Masonry; C43 Sheet Metal; D34
Expires
Sep 30, 2027
Bond
$25,000
Workers' comp
Insured to Jul 1, 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
$25,000Harco National Insurance Company, from Jan 1, 2023, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredArch Insurance Company, from Jul 1, 2026, to Jul 1, 2027

Who is on this license?

Officer
Joseph A. AragonSince Feb 12, 2019
Officer
Matthew C. AragonSince Jan 18, 2024
Responsible managing officer, CEO and president
Joseph E. AragonSince Sep 17, 2001

What work does this license cover?

Issued Sep 17, 2001.

Which other Montclair 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, Oct 29, 2026)
  2. Contractors State License Board (CSLB)