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Custom Frameless Glass & Shower Door Installation & Design Company on Long Island, NY


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Simply the best in the Glass business

Servicing The Long Island

Feel free to give us a call for a design consult or estimate.

We know that quality matters at GCS Glass & Mirror, and our team in Long Island is committed to making sure you get the perfect glass for your needs. We are a locally owned GCS location that specializes in custom residential glass projects and small commercial glass & mirror installations.

GCS Glass & Mirror Of Long Island was built on the principle that the customer experience matters – from start to finish. We pride in our amazing team of glass experts that are trained on quality and craftsmanship. We strive to serve the Long Island area with the fini

Areas Served 

Limited Lifetime Craftsmanship Warranty

GCS Glass & Mirror warrants our products against defects in materials and workmanship under normal use for as long as it is owned by the original purchasing business or consumer. If a claim is deemed valid, the decision whether to repair or replace is determined by GCS Glass & Mirror. 

Clean on both the inside & outside.

Shower Glass

Clean on both the inside & outside.

Wine Cellars

Strong & Sturdy

Steel Work

Clean on both the inside & outside.

Custom Mirrors

Reasons people choose GCS Glass in Austin!

We provide the highest quality glass products & services In The Long Island New York Area.

Founded in 2013, GCS has had a tremendous amount of success. This is due to our “Can Do It” attitude along with our Innovative approach to every aspect of the business.
Lasting Impressions

Replacing just the glass in your shower will give your bathroom a million-dollar look.

High Clarity

Don’t forget to ask about our starphire ultra-clear glass. It will change your life

Customer Care

When you work with us, it's an experience you will love from the initial contact to the final install.

Fast Response

Schedule today and let us help you design and install your next project.

Glass Shower Work Clear Glass Shower Door And Enclosure

Long Island Frameless Glass Showers & Doors

Transform your bathroom by just replacing your shower glass Enclousre or door

Everybody has a shower, but do you have a frameless shower? Let us help you design and create your new custom shower door. Shower doors not only provide elegance to your bathroom but also value. Easy to clean with minimal maintenance. Not like your old typical framed shower door. We also offer the most popular shower in years. THE GRID SHOWER. These showers are the hottest item in home building for the last couple of years and the trend is still climbing. Check out our quick shower door estimate walkthrough for a fast and easy quote. We are conveniently located in Long Island, NY. Call Us Today!


  • Long Island MacArthur Airport


  • St. Joseph’s Catholic Church which is on 45 Church Street.
  • True North Community Church which is on 1101 Lakeland Avenue.
  • The Mosaic Vineyard Church which is on 1650 Sycamore Avenue #2.
  • Holy Cross Lutheran Church which is on 307 Hawkins Avenue.
  • Kingdom Fellowship International Church, Inc. which is on 1626 Locust Avenue.
  • Mission of Mercy which is on 304 Parkwood Street.
  • Suffolk County AME Pac Inc which is on 30 Orville Drive # A.
  • St. John Nepomucene which is on 1140 Locust Avenue.
  • St John Parish which is on 1150 Locust Avenue.
  • Rushing Wind Biker which is on 10 Peachtree Court.


  • Heritage Flight Academy which is on 2075 Smithtown Avenue.
  • Helicopter Flight Training which is on 2111 Smithtown Avenue.
  • Jetaway Aviation which is on 2076 5th Avenue.
  • The Creative House which is on 2402 Ocean Avenue.
  • Hounds Town University which is on 12 Garrity Avenue.
  • ATP Flight School which is on 90 Arrival Avenue #901.
  • Eastway Aircraft Services which is on 4175 Veterans Memorial Highway.
  • Mid Island Air Service Inc which is on 101 Hering Drive.
  • Long Island Flying which is on 1965 Smithtown Avenue.
  • SFUSA which is on 101 Hering Drive.


  • Waltess Estates Park which is on Church Street, Lake.
  • Con Pak which is on 1612 Locust Avenue A.
  • Lakeland County Park which is on Johnson Avenue.
  • Islandia Baseball Field and Park which is on 1121 Old Nichols Road.
  • 5th Street Christmas Lights which is on 8A 5th Street.
  • Gold Star Parents Monument which is on 4256 Veterans Memorial Highway.
  • Lt. Michael P. Murphy Memorial Park which is on Lake Shore Road.


  • Bohemia Historical Society Museum which is on 1519 Locust Avenue.
  • Armed Forces Plaza which is on 2285 Chestnut Avenue.
  • Hallock Fitz-Greene Homestead which is on Pond Road.
  • Lake Ronkonkoma Historical Society which is on 328 Hawkins Avenue.
  • Lake Ronkonkoma Heritage Association which is on 4 Cherry Street.
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Schedule A Virtual Consult With A Long Island NY Representative Today!

We pride ourselves in having fast and professional staff that are always ready to help you with your next project.