your Dream outdoor living space

Vector Smart Object3 copy
Improve your lifestyle
Vector Smart Object
Host Great Parties
Vector Smart Object1
Increase Your Home Value

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

Deck Builder in Mechanicsburg

“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

 “We’re very excited

to use our new outdoor space.  With football season around the corner it will get a lot of use!”

- Erica Evans

“We LOVE our new deck

with an outdoor kitchen and fireplace!”

- Megan & Dave Johnson

“Dream come true.

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

- Angela R.
Become a Master Host in Mechanicsburg with a custom outdoor 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.

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 dream decks in the Mechanicsburg area for over 30 years.

“If you are reading this, then look no further.  Keystone Custom Decks has set the bar with how customer service should be and the quality of work that your hard-earned money deserves!
They are the hardest working guys I have dealt with.  Take it from me, I am very particular and want things done to perfection, and these guys made it happen!
Thank you Keystone for building our dream patio and covered deck.  We look forward to spending many quality hours with friends and family!”
-Jason Paist

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 the space you have to host parties and live!

3D Render Final Build
“They were very patient while I changed the design several times to fit my budget.  The 3D drawings they sent us were awesome and helped us see the end product even before it was built.”
- Saleem Shaik

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.

“Keystone is a true partner.  We are almost through a rather large deck/patio project and everything this company has met or exceeded expectations - from scope to pricing and build.  Great company, and great people.

- John Ryan

“We went through a long and extensive process of reviewing companies and contractors for our deck and patio.  Through it all, Keystone was fantastic.  Their quote was fair, and they worked with us on a few last-minute changes.  It's a pleasure working with a company that can actually deliver a project on time and on budget.

- Paul W.

"We had a great experience with Keystone Custom Decks.  Our deck and patio turned out even better than we could have imagined, and the process was very smooth.  Elvin and his team were great to work with.

- Pamela Szarka

"Ray and his team from Keystone did an excellent job on my porch and deck project, and all my friends said my deck/morning room look fantastic!  Truly appreciate their great job done!

- Xiaofeng Tang

"From start to finish Keyston has been a pleasure to work with.  They are professional and do outstanding work at fair prices.  The communication throughout the project was outstanding.  I would highly recommend them to anyone looking for a deck our outdoor project!

- Michael Durso

Mechanicsburg Deck Builder

As a homeowner in Mechanicsburg, 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.

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 with additional features for over 30 years.

We are a custom deck builder in Mechanicsburg, PA, and the rest of Central Pennsylvania.

We know how much there is to do in Mechanicsburg and the surrounding areas of Harrisburg. A sampling of these include: 

  • Williams Grove Speedway
  • The Rolls-Royce Foundation
  • Williams Grove Farmers Flea Market
  • The Mechanicsburg Museum
  • THEA
  • Dukes Bar and Grille
  • Armitage Golf Club
  • Art Center School and Galleries
  • Ashcombe Farm and Greenhouses
  • Frankenberger Tavern 
  • Oakes Museum of Natural History
  • and more!

After spending a day outside enjoying one of the nearby state game lands or parks, exploring downtown Harrisburg and the State Capital, catching a show or expo at the Farm Show Complex, you can come home to your dream outdoor space and relax!

Mechanicsburg was named after a settlement of mechanics that lived there in the early 1800s. The mechanics worked on and repaired the Conestoga wagons of those heading west. The borough is now home to 9,311 residents. It is also home to the historic Union Church and Messiah University.

We are happy to serve the Mechanicsburg area, zip code 17055, and the surrounding areas.

Custom Decks in
Mechanicsburg, PA

To make your dream backyard a reality, we also know that you may want more than just a deck.  That is why we are more than just a local deck builder; we also offer multiple custom features to go along with your custom deck.
We build porches, patios, pergolas, outdoor kitchens, fire pits and fireplaces, masonry features, and water features to accompany your custom deck.
All of these features will allow you to create a personalized space where you will make new memories, share family meals, relax in your backyard, and become a master host with a beautiful outdoor space.

Information courtesy of Keystone Custom Decks, 158 Toddy Dr, East Earl, PA 17519

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!