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 Watkins Glen, NY

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

“Dream come true.

We are over the moon happy with our new deck.”

- Angela R.

Become a Master Host in Watkins Glen with a New Backyard Deck

  • 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.

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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 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.

“Mahlon and his crew did a great job with our deck and screened-in patio.  They were incredibly professional and hard working.

We will definitely enjoy it for many, many years to come and are so thankful we hired them to do our project.  We could be happier with the results!"

-Ashley Cheek

We make a new deck in Watkins Glen 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.

"From start to finish, Keystone was extremely comprehensive, communicative, prompt and professional. Our completed project is exactly what we've been dreaming of for nearly a year. Mahlon really listened to our "wants" and "needs" for the project and helped turn them into a beautifully crafted, functional deck that is an expansion of our living space. Nate and his talented crew did impeccable work and were so careful with our yard and home. They tended to every detail. We couldn't be more pleased with our overall experience and hope to work with Keystone again on future projects."

- Jamie Anderson

"Incredible skilled and detailed workmanship! Mahlon and his crew did an amazing job minimizing disturbance on our difficult, steep back yard. The deck is gorgeous and we couldn't be happier with our choice of Keystone Custom Decks."

- Bren Bunny

"Mahlon and his crew did a great job with our deck and screened in patio. They were incredibly professional and hard working. We will definitely enjoy it for many many years to come and are so thankful we hired them to do our project. We couldn't be happier with the results."

- Ashley Cheek

Custom Decks in Watkins Glen

If you own a home in Watkins Glen or the surrounding area, 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.
At Keystone Custom Decks, we know you want to create and live in your dream outdoor living space, and that is why we have been building custom decks for over 30 years.

We are a custom deck builder in Watkins Glen, NY.  We also serve the surrounding areas along Seneca Lake.  It doesn't matter if you live in the Village of Watkins Glen, along Seneca Lake, or nearby, our mission is to make your dream outdoor space a reality! 

If you live in Watkins Glen, you know how much beauty there is in the area, and how many activities there are to enjoy the surrounding nature.  After spending a day on Seneca Lake, taking some time to do wine tasting, or spending the day with the family at Watkins Glen State Park; you can come home to your dream outdoor space to relax and unwind! 

Watkins Glen, New York, is a picturesque village located at the southern tip of Seneca Lake, the largest and deepest of the Finger Lakes. Known for its stunning natural beauty, Watkins Glen is famous for its state park, which features a dramatic gorge with waterfalls, hiking trails, and breathtaking vistas. The village also offers a charming downtown area with unique shops and dining options. The official government website of the Village of Watkins Glen provides valuable information and resources for residents and visitors.

Watkins Glen State Park is the crown jewel of the village and a must-visit destination. The park's centerpiece is a 400-foot-deep gorge, carved by Glen Creek, which features 19 waterfalls, each more impressive than the last. The Gorge Trail, with its stone steps and bridges, takes visitors on a journey through this natural wonder, offering opportunities for hiking and photography. Website:

The village's location on Seneca Lake provides access to various water-based activities, including boating, kayaking, and fishing. Seneca Lake is renowned for its fishing opportunities, particularly for trout and salmon.

Downtown Watkins Glen is a charming and walkable area filled with boutique shops, art galleries, and restaurants. It's an ideal place to explore unique gifts, local art, and enjoy a meal with views of the lake.

Watkins Glen International is a prominent racetrack located nearby, hosting a variety of motorsports events throughout the year, including NASCAR races. Website:

The village hosts various events and festivals, including the Watkins Glen Waterfront Festival, which features live music, food vendors, and family-friendly activities.

Watkins Glen is part of the Finger Lakes wine region, and it's surrounded by wineries and vineyards. Visitors can indulge in wine tastings and scenic vineyard tours while enjoying views of Seneca Lake.

For outdoor enthusiasts, nearby parks like Havana Glen Park and Catherine Creek State Forest offer additional hiking and nature exploration opportunities.

In addition to Watkins Glen's local attractions, the Finger Lakes region offers numerous points of interest. Here are some top-rated attractions and landmarks in the area according to TripAdvisor:

  1. Finger Lakes Wine Country - A renowned wine region with numerous wineries and vineyards. Website:

  2. Taughannock Falls State Park - Home to Taughannock Falls, one of the tallest waterfalls in the eastern United States. Website:

  3. Corning Museum of Glass - A museum in Corning, NY, showcasing glass art and glassblowing demonstrations. Website:

  4. Seneca Lake Wine Trail - A wine trail with wineries and vineyards along Seneca Lake. Website:

  5. Montezuma National Wildlife Refuge - A wildlife refuge with walking trails and birdwatching opportunities. Website:

  6. Women's Rights National Historical Park - A historic park in Seneca Falls dedicated to the women's suffrage movement. Website:

  7. Grimes Glen - A scenic hiking trail leading to waterfalls and natural pools for swimming in Naples, NY. 

  8. Keuka Lake Wine Trail - A wine trail with wineries along Keuka Lake. Website:

  9. Watkins Glen Harbor Hotel - A luxury hotel with a waterfront location in Watkins Glen. Website:

  10. Naples, NY - A charming village known for its scenic beauty and proximity to outdoor recreation. 

For more information about Watkins Glen, its attractions, and community resources, please visit the official government website of the Village of Watkins Glen:

The zip code for Watkins Glen, NY, is typically 14891.

Watkins Glen Deck Builder

To make your dream backyard a reality, we also know that you may want more than just a deck.  That is why we offer more than just custom decks in Watkins Glen.

We also offer the following:

All these features will make your backyard dreams come true and make you a master host!