Have The Outdoor Living Space Of Your Dreams

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You deserve a the perfect backyard living space for relaxing, hosting, and building lifelong memories.

We take your vision for your backyard and make your dreams come true with a custom deck.

Custom Deck Builder In New Castle County, DE

Decks
Porches
Pools
Patios
Spas

Your New Castle County Backyard Reimagined

Retreat

Unwind after a long day in your personal backyard retreat.

Gather

Be the master host for friends, family, and intimate gatherings.

Live

Make core family memories and create a legacy.

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100+ People On Your Side

We are not your typical contractor. From the initial design to the completed project, we believe you deserve a flawless experience.

That’s why every deck we build includes:

  • Design process that listens to your vision
  • A full 3D rendering
  • Turnkey process with one company
  • Superior craftsmanship and professionalism
  • Lifetime workmanship warranty
  • Commitment to communication, deadlines, and budget
  • Over 30 years of experience
  • Financing available

We Make A Custom Deck Stress-Free In New Castle County

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    Schedule An Estimate

    Share your vision with our team.

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    Design Proposal

    See your space transformed with a 3D rendering and transparent proposal.

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    Hassle-Free Build

    Let our team bring your vision to life while handling every detail.

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    Enjoy Your Backyard Oasis

    Host, relax, and embrace the joy of your transformed space.

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3D Render After

“Our experience was nothing short of incredible. From initial concepts, to renderings, to picking out materials in the showroom all the way through to final construction - it’s been flawless. They were all extremely professional, courteous, hard-working and so easy to work with.”

- Lisa Graham

Additional Features For Your New Castle County Deck

Outdoor
Kitchens
Firepits &
Fireplaces
Water
Features
Masonry
Features
Pergolas
 
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“Extremely pleased with the end porch and deck project that the Keystone team did.  Everything from the initial design phase, to construction, and then final walkthrough was top notch.  Danny and his team were always prompt, professional, and genuinely excited about our project.”

– Eric Barba

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“Highly professional, skilled, and friendly customer oriented team.  What a pleasant experience from the beginning to completion, we could not ask for a better team to work with.  We are so pleased with our outdoor porch and dining area, and cannot wait to fully enjoy in the coming months.”

– Kawaljit Kaur

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“Amazing service + expert craftsmanship = Happy homeowner!  Keystone designed, managed, and constructed an outdoor living space for our home.  The finished product is amazing, and really appreciate all Keystone did to help get this project across the finish line.”

– Michael Puchtler

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“Amazing service + expert craftsmanship = Happy homeowner!  Keystone designed, managed, and constructed an outdoor living space for our home.  The finished product is amazing, and really appreciate all Keystone did to help get this project across the finish line.”

– Michael Puchtler

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“Working with Keystone was a very positive and flawless experience.  First we met with Ron Yoder, who was full of knowledge and enthusiasm.  The crew arrived on the day they were scheduled.  Our deck is beyond our wildest dreams.  We love, love it – and would strongly suggest you have Keystone if you want perfection.”

– Jody Ashley

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What you can expect when Keystone builds your New Castle County deck:

Turn-Key Projects

We take care of every step in the design and construction of your deck.

Integrity

We build your deck on schedule and on budget.

Lifetime Workmanship Warranty

We stand behind our workmanship for the life of your deck.

Manufacturer Product Warranties

Decking and railing materials come with manufacturer warranties.

Your Local Custom Deck Builder In New Castle County, DE

If you are a homeowner in New Castle County, you want a beautiful outdoor living space for hosting, relaxing, and spending quality family time.  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.

Read more about New Castle County...

Luxury Outdoor Deck Builder Serving New Castle County

To make your dream backyard a reality, we know you want the custom design, layout, and features that are perfect for your family and home.