Custom Deck Installation in Chester & Lancaster County, PA

Custom decks are our namesake for good reason — because at Keystone Custom Decks, we design and build the ambitious custom spaces that bring our customers’ outdoor living dreams to life. We are known for backyard deck installation in Chester County, Lancaster County, upstate New York and more.

We work with our customers from the initial design stages through the final days of deck installation to ensure they have the perfect backyard deck they’ve always wanted. If you’re thinking about adding an outdoor living addition on to your home, explore our project gallery — or contact us today to start the conversation about your jaw-dropping new backyard deck.

We primarily build our custom decks in Lancaster, Montgomery and Chester County using low-maintenance composite and vinyl deck boards. Learn more about the advantages of these gorgeous and durable deck construction materials:

Request Your FREE Decking Estimate!

Personalized Custom Deck Designs

You have big dreams for your unique outdoor space. You want it to seamlessly complement your current home exterior while being a focal point that grabs everyone’s attention. In addition to that, you want the space to express your unique personality or style — whether you’re inspired by the look of a Lancaster County barn or a worlds-away Tuscan villa. We’ve created jaw-dropping outdoor decking in Chester County, Lancaster County, upstate New York and more!

We welcome our clients’ most imaginative ideas for custom deck design. We often build decks that come with full outdoor kitchens that match perfectly to adjacent dining areas. Our designers also enjoy crafting curved and other custom deck shapes with deck railings that add a distinctly modern flair to your outdoor space. Finally, homeowners often love accessorizing their outdoor living spaces with fire features, to infuse a sense of dramatic ambiance — and to let you roast marshmallows!

To ensure that our custom designs match your wildest dreams, we provide every client with a full 3D rendering of what their deck, porch, or patio will look like before a contract is ever signed. This allows us to work with you to devise the ideal design — plus, our realistic rendering ensures you love the way your project will look before work begins.

Learn more about our 3D rendering software.

Expert Deck Construction

Building a complex two-story deck complete with stonework and an outdoor kitchen is a bit more complicated than adding a basic square deck. That’s why you want to trust your custom deck to a company that specializes in it. The more covered spaces, features, and accessories you add to your custom deck, the more complicated it becomes. Not only does the custom deck design process become more complicated when juggling multiple design elements, but the construction also becomes more complex as well. Unfortunately, some less-experienced companies and contractors may not know how to safely build your dream backyard deck or ensure that it meets stringent building codes.

Learn more about the downsides of choosing a budget deck builder.

So, while some companies shy away from in-depth projects like this — at Keystone Custom Decks, we embrace it! In fact, we have built our business on ambitious and precise deck installation along with our custom deck designs. Our team of in-house builders has several decades of combined custom deck construction to bring to your project and your backyard.

custom deck construction chester county

Custom Deck Installation and Construction in PA, NY, DE, NJ, & MD

backyard deck design

From the first stages of planning, through the project’s 3D rendering, and ending with the finishing touches of your custom deck construction, Keystone Custom Decks is with you 100% of the way. In addition to building the outstanding backyard deck that you will love for decades to come, we pledge to be an outstanding partner throughout the entire process.

From our 2 bases of operations in Pennsylvania and New York, we offer custom backyard deck installation in Lancaster, Montgomery, and Chester County — as well as in the Finger Lakes region of New York. If you want to start the conversation — or have a consultation with a designer at your home — contact us today!