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State files updated Oct 29, 2026
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California contractor license

Quality Glass

Quality Glass of Stockton holds California license 727529 (B General Building, C17 Glazing). The CSLB file dated Oct 29, 2026 lists it as active.1 It expires Sep 30, 2027.

Doing business as Gruettner Enterprises Inc.

Licensed 30 years, longer than 79% of 281 active Stockton general contractors.

Active

Quality Glass, Stockton

License
727529
Class
B General Building; C17 Glazing
Expires
Sep 30, 2027
Bond
$25,000
Workers' comp
Insured to Oct 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
$25,000Western Surety Company, from Sep 1, 2023, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredBenchmark Insurance Company, from Oct 1, 2026, to Oct 1, 2027

Who is on this license?

Officer
Astrid GruettnerSince Sep 13, 2005
Responsible managing officer, CEO and president
Klaus P. GruettnerSince Sep 13, 1996

What work does this license cover?

Issued Sep 13, 1996. Reissued Sep 13, 2005.

Which other Stockton businesses hold B General Building?

General Contractors in StocktonCalifornia 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)