your family's dream swimming pool

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Improve your lifestyle
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Host Great Parties
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Increase Your Home Value

Take your outdoor entertainment & hosting to the next level with a truly custom pool!

Swimming Pool Contractor & Builder in Malvern, PA

"Keystone Custom Decks did the most amazing job building our new outdoor space! They responded quickly and professionally to any question or issue we brought up. They completely transformed our deck ahead of schedule! So very happy with the finished space!”

- Jenifer

"We just got our backyard done. Absolutely Wonderful Job! Very professional and responsive staff. They will do anything to satisfy you with the project. Must recommend!”

- Hitesh

Enjoy a fully custom swimming pool in your backyard

  • Infinity Edge

    Host Great

    Enjoy pool parties and backyard events with family and friends.

  • Home lifestyle woman relaxing enjoying luxury sofa patio furniture on outdoor patio

    Have a Place
    to Relax

    Leave life's worries behind you as you relax in the water.

  • Spillways

    Be Proud
    of Your Space

    Add value to your home and love your new swimming pool!

Download our catalog to see everything we offer with our custom pools!

At Keystone Custom Pools, we believe having your dream swimming pool designed and installed should be an enjoyable and stress-free process.

  • Are you ready to host amazing pool parties?

  • Do you want to spend more time outdoors with family and friends?

  • Are you looking for a turnkey swimming pool contractor who can make your deams come true?

We know what it feels like to not love your outdoor living space. That is why we install and build pools in Malvern to make your dream outdoor area a reality. 

“Our thanks to everyone at Keystone that made our dream come true. They are all experienced and like what they do.

The project was completed ahead of schedule, and the project was well planned and expertly constructed. We love our new space!”


We make a pool as easy as possible

  • 1

    Talk To Us

    We’ll learn more about your space and schedule an estimate.

  • 2

    Design Proposal

    Receive your quote and complimentary 3D rendering.

  • Swimming Pools construction 12


    Sign your proposal and watch your dreams become reality.

  • Group of happy friends relaxing in swimming pool - Young people having fun in exclusive summer tropical vacation - Friendship, holidays and youth lifestyle concept


    Love your swimming pool and host great parties!

before 3D rendering after project completed

“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 Pools:

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.

We hired a Keystone to build our pool and I cannot thank them enough for the job they did! From the beginning with Ron in sales until the end with Elmer and his amazing crew, it was a great experience. Everyone was professional and friendly. We knew exactly what was going to happen and when. Any issues that arose (very few) were dealt with immediately. They really went above and beyond to make our backyard a beautiful space! Highly recommend this team!

- Maryann

Beautiful work guys! Many thanks to Dave, John and all the others involved in making our project perfect!

- Dan

We had a great experience with Keystone Custom Decks and are very happy with our deck. From design through installation, the team helped us design and install a deck that is perfect for our needs.

- Chris

Swimming Pool Contractor FAQs

An average size for a home swimming pool is 16x35 or 560-600 square feet. Depth varies from pool to pool and depends primarily on the owner's preference. 

Yes, a swimming pool can easily be incorporated into a deck or patio. If you'd like help with envisioning this or brainstorming, our design team is happy to help! 

The time it takes to install a pool can vary depending the complexity of the project. However, most fiberglass pools take 3-4 weeks to install while concrete pools take 2-3 months to install. 

Anyone that ones a swimming pool and has young children should be careful to protect their children. You also need to know that there is a risk assumed with having a swimming pool. 

However, there are several things you can do to make a swimming pool more safe for children: 

1. Put a fence around your swimming pool

2. Add a safety cover if possible

3. Alarms that sound when a person or animal enters the pool.

4. Self-locking gates

5. Gradual slope from the shallow to deep end of the pool. 

Pools are fun no matter what shape they are in. And sometimes, people prefer specific shapes for certain reasons. 

However, rectangular pools are usually considered the most versatile and are the easiest to add pool accessories like water nets. 

Yes, we would be happy to help you design a swimming pool. 

Swimming Pool Installer in
Malvern, PA

As a homeowner, you want a backyard that allows you to spend quality time with friends and family.  The problem is your current backyard isn't being fully utilized, but it's the perfect place for a swimming pool.  Keystone Custom Pools designs, builds, and installs beautiful custom pools throughout Malvern so you can host great parties, make memories, and improve your lifestyle.

If you're a homeowner in Malvern, PA, dreaming of transforming your outdoor space into a haven of beauty and functionality, Keystone Custom Decks is the solution you've been looking for. At Keystone Custom Decks, we are experts in the art of crafting personalized outdoor sanctuaries that allow you to shine as the consummate host while offering a tranquil retreat for relaxation and rejuvenation. Whether your vision involves entertaining friends and family or seeking solace in the embrace of nature, we are your dedicated partners in turning your dream into a reality.

Nestled amidst the enchanting landscape of Malvern, Pennsylvania, our services are impeccably tailored to accentuate the charm of this historically rich town. Malvern, with its small-town allure and storied past, serves as the idyllic canvas for you to manifest your outdoor living aspirations. As a homeowner in Malvern, you have the privilege of immersing yourself in the beauty of this community while crafting your very own outdoor sanctuary.

For newcomers and visitors, Malvern offers an array of attractions to explore:

  • People's Light - A renowned professional theater company offering outstanding performances.
  • Paoli Battlefield Historic Site - A historic site that played a pivotal role in the American Revolutionary War.
  • East Goshen Park - A spacious park with trails, sports fields, and picnic areas.
  • Chester Valley Golf Club - A private golf course offering excellent golfing experiences.
  • Malvern Buttery - A charming cafe with artisanal food and a welcoming atmosphere.
  • Jenkins Arboretum & Gardens - A peaceful garden featuring beautiful plants and walking paths.
  • The Play Café - A family-friendly play space for children and parents.
  • The Gables at Chadds Ford - A fine dining restaurant with a picturesque setting.
  • Great Valley Nature Center - An educational center for nature enthusiasts.

Malvern, PA, is a community with a rich history and a diverse mix of residents. To learn more about the demographics and history of Malvern, you can visit the Malvern Wikipedia page.

Malvern's economic landscape is a harmonious blend of residential and commercial growth, underscoring its status as a thriving and dynamic community. Boasting an array of amenities and services, Malvern presents homeowners with abundant opportunities to invest in their properties and elevate their outdoor spaces for personal enjoyment and entertainment.

If you're a homeowner in Malvern, PA, looking to transform your outdoor living space into a dream escape, Keystone Custom Decks is here to help. Contact us today to discuss your vision, and let's collaborate to create the perfect outdoor living space tailored to your preferences.

We are honored to extend our services to Malvern, PA, as well as the neighboring regions, encompassing Paoli, King of Prussia, and West Chester. Our dedicated team is committed to bringing the wonder of outdoor living right to your home, no matter where you reside within the area.

Malvern, PA, is associated with the following zip codes: 19355 and 19354.

Ready to get started?