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California contractor license

Cook Drywall Corporation

Cook Drywall Corporation of Winchester holds California license 415180 (B General Building, C9 Drywall). The CSLB file dated Nov 1, 2026 lists it as active.1 It expires Dec 31, 2027.

Licensed 44 years, longer than 98% of 55 active Winchester general contractors.

Active

Cook Drywall Corporation, Winchester

License
415180
Class
B General Building; C9 Drywall
Expires
Dec 31, 2027
Bond
$25,000
Workers' comp
Insured to Feb 17, 2027

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, 2025, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredInsurance Company Of The West, from Feb 17, 2026, to Feb 17, 2027

Who is on this license?

Officer
Barbara G. CookSince Mar 13, 1986
Responsible managing officer, CEO and president
Dario J. SanchezSince Jun 30, 2010

What work does this license cover?

Issued Dec 8, 1981.

Which other Winchester 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)