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California contractor license

Gluck Building Company

Gluck Building Company of Calabasas holds California license 503281 (B General Building, C36 Plumbing). The CSLB file dated Oct 31, 2026 lists it as active.1 It expires Dec 31, 2026.

Doing business as Gluck Development Company Inc.

Licensed 39 years, longer than 93% of 9,636 active California plumbing contractors.

Active

Gluck Building Company, Calabasas

License
503281
Class
B General Building; C36 Plumbing
Expires
Dec 31, 2026
Bond
$25,000
Workers' comp
Insured to Oct 1, 2027

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
$25,000American Contractors Indemnity Company, from Jan 1, 2023, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredEverest Premier Insurance Company, from Oct 1, 2026, to Oct 1, 2027

Who is on this license?

Officer
Claudia A. FortneySince Nov 6, 2000
Responsible managing officer, CEO and president
Daniel F. GluckSince Dec 29, 1986

What work does this license cover?

Issued Dec 29, 1986.

Which other Calabasas businesses hold B General Building?

California plumbing contractorsGeneral Contractors in CalabasasCalifornia 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 31, 2026)
  2. Contractors State License Board (CSLB)