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State files updated Oct 29, 2026
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California contractor license

Adar Builders Inc

Adar Builders Inc of Winnetka holds California license 1051859 (B General Building, C39 Roofing, D28 Doors, Gates and Activated Barrier Systems). The CSLB file dated Oct 29, 2026 lists it as active.1 It expires Mar 31, 2027.

Active

Adar Builders Inc, Winnetka

  • Board action on file.
License
1051859
Class
B General Building; C39 Roofing; D28 Doors, Gates and Activated Barrier Systems
Expires
Mar 31, 2027
Bond
$25,000
Workers' comp
Insured to Jun 14, 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.

Has the board taken action on this license?

From the CSLB file dated Oct 29, 2026. Confirm with the board. CSLB license check

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

Bond
$25,000Philadelphia Indemnity Insurance Company, from Mar 25, 2025, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredState Compensation Insurance Fund, from Jun 14, 2019, to Jun 14, 2027

Who is on this license?

Officer
Amit AdarSince Mar 29, 2019

What work does this license cover?

Issued Mar 29, 2019.

Which other Winnetka businesses hold B General Building?

California general contractorsCalifornia roofing 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)