your Dream outdoor living space

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Improve your lifestyle
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Host Great Parties
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Increase Your Home Value

Deck Builder in Manchester, NY

Make your dream outdoor living space a reality with a custom deck and additional features!

"We worked with Keystone to build a new deck. Even at this difficult time related to Covid they did an outstanding job! The Team was very professional. The communication was great; we discussed all details before the project has been started. Guys showed up before the usual start time and began early."

- Irina Kolos

"Excellent job on our new deck. We are very pleased with the work and our work crew was willing to make changes as needed."

- Ted

"We just wrapped up our patio project with Keystone and could not be happier with the results and process. All around Keystone has a great team. The quality of the materials Keystone offers is top-notch as well. In my opinion, where Keystone truly separates itself is with its people."

- Eric Fink

Become a Master Host in Manchester with a custom outdoor deck and living space.

  • Group Of Happy Young Friends Having Dinner At Patio

    Host Great

    Make new and lasting memories with family and friends.

  • Home lifestyle woman relaxing enjoying luxury sofa patio furniture on outdoor patio

    Have a Place
    to Relax

    Let life’s worries behind as you enjoy the beauty of the outdoors.

  • 660460

    Be Proud
    of Your Space

     Become the envy of the neighborhood with your beautiful outdoor space.

Download our catalog to see everything we offer with our custom decks!

At Keystone Custom Decks, we believe having your dream outdoor living space designed and built should be an enjoyable and painless process.

  • Do you love hosting people, but you don’t love your available space?

  • Do you enjoy spending time outdoors, but your existing outdoor space is unattractive or unusable?

  • Do you have a vision for your dream outdoor living space, but you feel overwhelmed by the construction process?

We know what it feels like to not love your outdoor living space. That is why we have been building custom decks for over 30 years.

We love our new deck!  After 18 years of living in our house with an awful brick patio, we decided to get a deck.  From the first meeting with sales, Keystone was timely and professional, and a great company to work with.
The project was begun even earlier than our planned schedule.  We are awaiting warm weather to enjoy our new deck!"
-Jennifer Raff

We make the process as easy as possible

  • 1

    Call Us

    We’ll learn more about your space and schedule an estimate.

  • 2

    Design Proposal

    Receive your quote and complimentary 3D rendering.

  • 3


    Sign your proposal and watch your dreams become reality.

  • 4


    Love your new deck and space you have to host parties and live!

3D Render Final Build
“Their 3D rendering really helped us envision what the final project would look like, and it helped guide us in making adjustments and changes to improve the functionality of the living space.”
- Lawrence Han

What you can expect with Keystone Custom Decks:

Turn-key Projects

We take care of every part of the construction process.

Lifetime Workmanship Warranty

We stand behind our work for life.


We deliver on our timeframe and proposal promises.

Financing Available

We offer financing options through our partners.

"They came highly recommended, but we still couldn't be more pleased with our experience with Keystone Custom Decks. From design, to planning, execution, and clean up, the team exceeded any expectations. All team members were kind, hard-working, courteous, and professional and they do amazing work! We are thoroughly enjoying our new backyard and felt really great about working with this superb business that made it all happen."

- Holly Hindman

"We cannot praise Keystone Custom Decks enough. The whole process was seamless. Mahlon took our vision and made it reality. The entire crew was exceptional. They were so professional, hard working and meticulous with everything from big decisions to the smallest details. We would highly recommend them and would definitely hire them again for any future projects."

- Claudine Ninestine

"We couldn’t be happier with our carport and outdoor living space built by Keystone Custom Decks! They are beyond an amazing team of guys who are extremely hard working, very nice, professional, and punctual, and they always kept in contact throughout the entire project. The quality of work was absolutely amazing and I can not believe how fast it got done, this is a top notch company! I am truly impressed and would highly recommend them, they will exceed all of your expectations! Thank you all so much for our beautiful outdoor living space as well as our absolutely beautiful carport, you guys are amazing!"

- Gavin Polmanteer

Custom Deck Builder in
Manchester, NY

If you own a home in Manchester or nearby, you want a beautiful outdoor living space.  The problem is your current outdoor space might be unattractive or unused.  Keystone Custom Decks builds beautiful custom decks and outdoor living spaces so you can host great parties, make memories, and improve your lifestyle.
To make your dream backyard a reality, we also offer the following in Manchester:
All these features will make your backyard dreams come true and make you a master host!

Are you daydreaming about expanding your living space in beautiful Manchester, NY?

 Imagine hosting spectacular parties, savoring quality time with friends and family, or simply enjoying moments of relaxation. Fortunately, there's a solution! A meticulously crafted deck, porch, or patio can fulfill these aspirations while enhancing the overall value and allure of your home. 

At Keystone Custom Decks, we're committed to transforming your vision into a tangible reality. Contact us today, and let our expertise and passion help you bring your project to life!

Locatedin Ontario County, NY, Manchester is a town that covers approximately 31 square miles and has a population of around 9,000 residents. It is situated in the Finger Lakes region, known for its scenic beauty. All around the town there is a mix of rolling hills, picturesque farmland, and charming, small-town communities. Manchester is located just south of the city of Rochester, and offers a peaceful, close knit community. 

To take a look at the history of Manchester we need to go back to the late 18th century, when the town was settled. It was originally a part of the Phelps and Gorham Purchase, a large tract of land acquired from the Iroquois Indians. The town of Manchester was officially established as a town in 1833, and its early economy relied primarily on agriculture, with farming and fruit growing becoming important industries. 

The construction of the Auburn and Rochester Railroad in the mid-19th century brought significant economic growth and development to the area. Later, Manchester played a role in the abolitionist movement and the Underground Railroad, with several notable abolitionists living in the area. Today, the town still embraces its cultural heritage while offering a blend of rural charm and historical significance. 

Today you can find a myriad of tourist attractions and fun things to do and see in Manchester. The Finger Lakes region is full of outdoor opportunities such as fishing, boating, kayaking, camping, and picnicking. Canandaigua Lake, one of the Finger Lakes, is located near Manchester to the east, and offers scenic natural beauty and opportunities for recreation and water sports. 

Wine enthusiasts will love the numerous wineries you can find in the region, such as Casa Larga Vineyard and Winery, Ravines Wine Cellars, and Arbor Hill Grapery and Winery. The town of Manchester itself offers plenty of historical landmarks that history buffs will love discovering! 

A list of the top tourist attractions in Manchester might include: 

  • Canandaigua Lake
  • Casa Larga Vineyards and Winery
  • Sonnenberg Gardens and Mansion State Historic Park
  • Finger Lakes Wine Country
  • Granger Homestead and Carriage Museum
  • Ganondagan State Historic Site
  • Ontario County Historical Society and Museum
  • Finger Lakes Gaming & Racetrack
  • Bristol Mountain Ski Resort
  • Smith Opera House
  • Roseland Waterpark
  • CMAC (Constellation Brands-Marvin Sands Performing Arts Center)
  • Naples Valley Visitors Center
  • Naples Grape Festival (annual event)
  • Cumming Nature Center

If you want to improve your Manchester, NY, property with a deck, patio, or other outdoor space, give us a call here at Keystone Custom Decks! We would love to help make your outdoor dreams come to life. 

We serve the Manchester zip codes, 14504, 14522, 14564, and surrounding zip codes. 

Give us a call today! We look forward to hearing from you.

Are you ready to start designing your dream outdoor space?

Read our FREE e-book to learn the questions you need to ask when you begin designing your dream outdoor living space!