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Custom Frameless Glass & Shower Door Installation & Design Company Phoenix AZ


Want to get a quote in 5 minutes or less?

Simply the best in the Glass business
Feel free to give us a call for a Glass Shower door design consult or estimate.

We are a custom glass shop that designs, measures, and installs various glass products such as shower doors, mirrors, wine cellars, deck rails, stair rails and small commercial glazing projects.

GCS Glass & Mirror where Quality Matters. Our company was built on the idea that customers deserve a quality product that is individualized to fit their style and needs.

When dealing with shower doors and custom glass it’s important to pay attention to the details and that exactly what our team has been trained to do. GCS utilizes every team member to develop new products and advance existing ones. Founded in 2013 by Brandon Nicastro 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 business. Our reviews have proven that GCS is an Elite supplier/installer of any glass products. Formerly Grand Canyon State Glass Design. WE ARE GCS!

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 Door Installation

Clean on both the inside & outside.

Wine Cellars

Strong & Sturdy

Steel Work

Clean on both the inside & outside.

Custom Mirrors

Reasons to Why people in Phoenix choose us!

Providing the Highest Quality Residential & Commercial Glass services.

Founded in 2013, In Phoenix Arizona 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

Frameless Showers & Doors

Transform your bathroom by just replacing your shower glass Enclosure

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 have also mastered 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 near Phoenix and Denver

Schedule A Virtual Glass Consult Today

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


  • Phoenix Sky Harbor International Airport
  • Scottsdale Airport


  • Phoenix Car Donations which is on 2 North Central Avenue.
  • Arizona CityFest – Luis Palau Association which is on 1 North 1st Street.
  • New City Church – Phoenix which is on 1300 North Central Avenue.
  • Central United Methodist Church which is on 1875 North Central Avenue.
  • Catholic Men’s Fellowship Of Phoenix which is on 400 East Monroe Street.
  • Sacred Heart Catholic Church which is on 1421 South 12th Street.
  • Trinity Episcopal Cathedral which is on 100 West Roosevelt Street.
  • Cristo Viene which is on 1007 West Taylor Street.
  • St. Mary’s Roman Catholic Basilica which is on 231 North 3rd Street.
  • Historic Tanner Chapel AME Church which is on 20 South 8th Street.


  • Arizona State University Downtown Phoenix Campus which is on 411 North Central Avenue.
  • The University of Arizona College of Medicine – Phoenix which is on 475 North 5th Street.
  • Ihs Clinical Support Center which is on 40 North Central Avenue # 780.
  • Thunderbird School of Global Management which is on 401 North 1st Street.
  • Phoenix College DownTown IT Institute which is on 640 1st Avenue.
  • Valley Youth Theatre which is on 525 North 1st Street.
  • Arizona State University Mercado which is on 502 East Monroe Street.
  • GateWay Community College-Central City which is on 1245 East Buckeye Road #4101.
  • Dental Examiners State Board which is on 1740 West Adams Street #2470.
  • Az Rattlers which is on 40 North Central Avenue.


  • Chase Field which is on 401 East Jefferson Street.
  • Montgomery Stadium.


  • The Japanese Friendship Garden of Phoenix which is on 1125 North 3rd Avenue.
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  • Central Park which is on 140 East Tonto Street.
  • Wesley Bolin Memorial Plaza which is on 1700 West Washington Street.
  • Civic Space Park which is on 424 North Central Avenue.
  • University Park which is on 1002 West Van Buren Street.
  • Hance Park Dog Park which is on 323 West Culver Street.
  • Rosson House Museum at Heritage Square which is on 113 North 6th Street.
  • Roosevelt Mini Park which is on 837 North 3rd Avenue.
  • Patriots Park which is on 11 West Washington Street.


  • Arizona Science Center which is on 600 East Washington Street.
  • Children’s Museum of Phoenix which is on 215 North 7th Street.
  • Phoenix Art Museum which is on 1625 North Central Avenue.
  • Arizona Capitol Museum which is on 1700 W. Washington St.
  • Arizona Jewish Historical Society which is on 122 East Culver Street.
  • Rosson House Museum at Heritage Square which is on 113 North 6th Street.
  • CREATE at Arizona Science Center® which is on 105 North 5th Street.
  • The Bungalow (Stevens Bungalow) which is on 602 East Adams Street.
  • Stevens-Haustgen Bungalow which is on 622 East Adams Street.
  • Control Toys EUA which is on 637 North 1st Avenue.