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State files updated Oct 29, 2026
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Washington contractor license

G L Systems Inc

G L Systems Inc of Seattle holds Washington license GLSYSI*033MC (CC-SO Insulation and Acoustical). The L&I file dated Oct 29, 2026 lists it as active.1 It expires Sep 23, 2028.

Active

G L Systems Inc, Seattle

License
GLSYSI*033MC
Class
CC-SO Insulation and Acoustical
Expires
Sep 23, 2028
Bond
$30,000
Liability insurance
$1,000,000 to Sep 25, 2027

L&I file dated Oct 29, 2026

From the L&I 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
$30,000Western Surety Co, from Sep 23, 2024, continuous
Liability insurance
$1,000,000Ohio Security Ins Co, from Sep 23, 2025, to Sep 25, 2027
Workers' comp
Not in the L&I fileCheck with the board

What work does this license cover?

License level: Construction Contractor. Issued Jul 3, 1997.

Which other Seattle businesses hold CC-SO Insulation and Acoustical?

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. Washington 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. The L&I file doesn't record workers' comp, so ask for the certificate.
  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 L&I 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 L&I, then check again.
  3. If work has started, hold further payments, keep the contract, receipts and photos, and file a complaint with Department of Labor and Industries (L&I).
  4. Check another contractor. Washington license lookup

Sources

  1. L&I contractor license data (data.wa.gov, Oct 29, 2026)
  2. Department of Labor and Industries (L&I)