your Dream outdoor living space

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Enjoy A Personal Sanctuary
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Host Great Parties
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Increase Your Home Value

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

Custom Deck Builder in Central & Upstate New York

“After building my home and dealing with many different contractors I can safely say that Keystone is a cut above the rest. They handled all the bumps and dips that come with a larger project in stride and made our outdoor space amazing.

- Andrew Martinez

Enjoy A Custom Deck & Become A Master Host

  • 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

    Enjoy a Personal

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

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    Be Proud of
    Your Space

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

At Keystone Custom Decks, we want you to enjoy the NY outdoor weather and have the perfect outdoor space for family and friends!

  • Do you want a personal place to relax, but your existing outdoors is unattractive?

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

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

Whether you are in wine country, on a lake, in the mountains, or in town - we've been helping NY families enjoy the outdoors for over 30 years.

“Keystone is a top tier deck builder. They helped design and bring to life the vision my wife and I had for our new deck with three season room. They handled everything which freed us from having to hire engineers and architects. The team was prompt and cleaned up the work area each day"

-Dave Garrison

We make a new deck 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 the space you have to host parties and live!

before 3D rendering after project completed

“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.”

- Holly Hindman

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.

"We are so impressed with the quality and workmanship by Keystone Custom Decks on our new covered deck/patio. The crew on site was excellent and we could not be happier with the results. The whole company is very professional, they left the work area clean at the end of each day and put up with all of my questions regarding the build to ensure we received exactly what we were expecting.

- MJ Meyer

"Our thanks to everyone at Keystone Custom Decks that made our dream deck come true. Completed ahead of schedule, the project was well-planned and expertly constructed. We love our new space and highly recommend Keystone Custom Decks.

- Kris Armstrong

"Great company that does awesome quality work, and most importantly really good people. Also very responsive - top customer service. Would recommend to anyone building a porch, patio, deck, etc.

- Barnard Budimir

Custom Deck Contractor in Central NY

As a homeowner, 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 throughout Upstate & Central NY so you can host great parties, make memories, and improve your lifestyle.

If you live in Central NY, the Finger Lakes Region, or the greater Upstate NY area, then you are familiar with the scenic beauty of nature, lakes, vineyards, mountains, and much more of what natural New York has to offer.

And like many others, you probably want to be able to enjoy these outdoors with family and friends. 

Whether it's watching the sunset over a lake, hearing the birds sing in the mountains, or enjoying a glass of wine - we have the design and the team ready to make your dream deck, porch, patio, and overall outdoor living space a reality!

Contact us today for your free estimate!