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Sky's The Limit (well, 38')
The experts at 3rd Story Philly are here to help you transform your entire property from the basement up. Whether you are interested in a third floor addition, fourth floor addition, roof deck, or balcony our team is equipped with the expertise to design and build a space tailored to your needs. Let us elevate your property's value and enhance the quality of life in your home.




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Roof Decks
Unlock the full potential of your home with a custom-designed roof deck built for relaxation, entertaining, and added value. Our team specializes in crafting beautiful, durable rooftop spaces that seamlessly blend with your home's architecture while maximizing outdoor living. From initial design to final build, we handle every detail—so you can enjoy a rooftop retreat that’s uniquely yours.

Building Up
When moving or trading up isn't an option, it's time to build up. And there are so many reasons to do it!
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Indoor space
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Outdoor space
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Bedrooms
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Bathrooms
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Privacy
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Skyline views
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Home office
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Entertaining spaces
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Increased property value
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...and more!
Did we mention we also offer financing? Up to $500k without refinancing through our partnership with RenoFi

Philly's First Choice for Home Additions
As an award-winning home renovation and addition builder, we understand that homeowners in Philadelphia are always looking for creative ways to maximize the space they have. Our 3rd and 4th floor addition services are tailored to meet your specific needs, whether you're looking to add a new living space, roof deck, office, an extra bedroom, or anything in between. Trust us to bring your vision to life with our expert guidance and attention to detail.
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