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California contractor license

100x Construction

100x Construction of Irvine holds California license 1104587 (B General Building, C10 Electrical, C36 Plumbing). The CSLB file dated Oct 31, 2026 lists it as active.1 It expires May 31, 2027.

Active

  • Workers' comp ends Nov 28, 2026 (28 days)

100x Construction, Irvine

License
1104587
Class
B General Building; C10 Electrical; C36 Plumbing
Expires
May 31, 2027
Bond
$25,000
Workers' comp
Insured to Nov 28, 2026

CSLB file dated Oct 31, 2026

From the CSLB file dated Oct 31, 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 31, 2026. Confirm with the board: CSLB license check

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 Nov 28, 2024, to Nov 28, 2026

Who is on this license?

Responsible managing officer
Paul MehrshahiSince May 10, 2023
CEO and president
Siavash MehrshahiSince May 10, 2023

What work does this license cover?

Issued May 10, 2023.

Which other Irvine businesses hold B General Building?

Electrical Contractors in IrvineCalifornia electrical contractorsCalifornia plumbing contractors

What should you check before hiring?

What to ask before you hire

  1. Ask whether it has been renewed. Something on this license ends within 60 days. Check again before you pay a deposit.
  2. Get the license number in writing. The name on the license should match the name on your contract and invoice.
  3. Check the class covers the job. A license for one trade doesn't cover another. California license classes
  4. Ask for a certificate of insurance sent to you by the insurance agent, not handed over by the contractor. How to read a COI
  5. 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.
  6. 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 31, 2026)
  2. Contractors State License Board (CSLB)