Create

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
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Deck Builder in Webster, NY

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

Patios
Porches
Decks
Pergolas

Additional Features

Outdoor Kitchens
Firepits and Fireplaces
Water Features
Masonry Features

“We are incredibly pleased

with the outcome and excited to have this new outdoor living space to relax and spend time with the family.”

- Garret Pachtinger
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Become a Master Host in Webster with a New Backyard Deck

  • Happy Friends Having Lunch

    Host Great
    Parties

    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.

  • Smiling man crossing his arms

    Be Proud
    of Your Space

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

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View Some Of Our Projects In The Webster Area:

93 Galante Circle-2

Trex Biscayne Deck/Porch/Fireplace/Outdoor Kitchen – Webster, NY

DCIM100MEDIA

Custom TimberTech Deck/Porch, Webster NY

deck with hazelwood grey tones in Kueka NY

Custom Azek Deck/Porch, Webster NY

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 a custom deck builder for over 30 years.

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“Very professional contractor.  They respond on time and address all deficiencies, if there are any.

They are fast, respectful, and deliver what they are committed to do. I would recommend them if you are really interested in peace of mind with a professional contractor."

-F. Naguib

We make a new deck in Webster 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

    Installation

    Sign your proposal and watch your dreams become reality.

  • 4

    Enjoy

    Love the 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  
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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.

Integrity

We deliver on our timeframe and proposal promises.

Financing Available

We offer financing options through our partners.

"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

"We recently hired Mahlon and his crew at Keystone Decks to re-do two decks. When we first met Mahlon, we were impressed with all of the various choices and implications of different materials. He was neither pushy nor condescending. Mahlon provided us with amazing visual renderings to help us picture what the new decks would look like along with his quote. They were extremely professional with the little hiccups that inevitably occur on big jobs. They shared any concerns with me and handled them correctly. They maintain a serious job site. Every night all tools and equipment were packed up and put away with care for their gear. Never was garbage left around to blow around or trip over. It’s all these little things I point out to show how much these guys seem to care about the job that they do. It all builds up to their serious level of craftsmanship. The result of all of this was 2 absolutely outstanding decks that have transformed our living spaces."

- Brian Schneemann

"Keystone Custom Deck is a superb company. From the quality of their work, to an extreme knowledge of decks, politeness and extremely pleasurable workforce, they have transformed our deck to an outside paradise. These guys are LEGIT. I would recommend this company to whomever is looking to build a new deck, upgrade their current one or just need a stellar outdoor place. Keep up the good work Keystone Custom Deck and thank you for your workmanship. Our deck looks beautiful."

- Dejan Jozic
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Custom Decks in Webster

If you own a house in Webster, 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.

Webster
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.

We also offer the following:

All these features will make your backyard dreams come true and make you a master host, whether you live in Webster or in the surrounding area!