Terms of Service & Warranty Information

All warranties are covered by the manufacturers and are the only warranties. King County Window and Glass will not cover any material warranties specified by the manufacturer. King County Window and Glass will cover only the labor warranties specified below.

 KC Window & Glass Installation and Warranty Agreement


Labor installation is limited to installation of our product only. This labor warranty covers defects in the product or faulty installation only. This warranty does not cover breakage or abuse of the product. The length of the warranty varies accordingly to the product installed as follows:

  • New residential windows - One year from the original installation date.
  • Dual or triple glass replacement units - One year from the original installation date.
  • Shower doors - One year from the original installation date.
  • Mirrors - One year from the original installation date.
  • All glass product sold and installed - One year from the original installation date.
  • All window roller and door roller replacement - thirty days from original installation date.
  • Installing customers’ glass - No warranty against breakage.


Insulated (Dual or Triple Pane) Glass Replacement

Warranty against fogging and stress cracks (non-impact) is ten years unless specified. All units will be quoted with respect to the International Building Codes (IBC) Safety Glazing Section 2406. Low Emissive (Low-E) insulated glass units have manufacturer and fabricator limitations due to the processes. Defects in the coating are permissible if not seen fifteen feet or more with normal lighting conditions. After market film or other contact applications applied to the new unit will void all warranties associated with the installation and the unit.

New or Retro-fit Windows

All warranties specified by manufacturer. During the process of the installation, KCWG will cover the floor and other areas in the proximity of the installation. To ensure there is no damage to personal items, it will be your responsibility to remove personal items prior to installation. KCWG will vacuum and clean the installation area, but some residual dust and debris may remain.


All warranties specified by manufacturer. KCWG does not salvage or install used mirrors.

General Glass Replacement

All glass replacement shall be warranted against defects in the material and stress cracks. KCWG does not install used glass. All glass replacement shall meet the IBC Safety Glazing Section 2406.

Window and Door Roller Replacement Parts

Thirty (30) days.

Shower Doors

All warranties specified by manufacturer. KCWG will warranty against leakage for one year except heavy designer doors. Heavy glass designer doors may have small leaks due to the size and design of the shower and the sealing application you choose. KCWG is not responsible for unforeseen leaks behind tile or marble, faulty installation of materials or other incidentals beyond our estimate of such prior to the installation.

Commercial Applications

All warranties specified by manufacturer.

Custom Orders

All custom glass orders are non-refundable.

Our Manufacturers Warranties

Reference our manufacturers’ material warranties.


When you’re dealing with broken glass, time is not on your side. That’s why we turn around quotes within 2 business days. All we need is a little information and a few rough measurements. What are you waiting for?