Southwest Florida’s Luxury Custom Home Experts

Modern Home
Charming Home
Granada Park

Our Services

Vertical Design+Build specializes in concept to creation services of custom homes by our team of architects, interior designers, construction managers and more. Let us show you why families in Sarasota and beyond choose Vertical to design and build their legacies.

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Concept-to-completion services for your dream home.

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Custom Build

Already have plans? We’re ready to build.

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Lifestyle Plans

Designer-ready floorplans awaiting customization.

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Lifestyle Remodeling

Transform your current home with our Design+Build Team.


“We chose to work with Grant Castilow and his team to create our wonderful new home. We were more than pleased…Grant is the best, and we would build with them again.”
“Of all the contractors I have worked with, You are for sure one of the most organized and thorough. You have satisfied some of my most demanding clients.”
“If you are seeking an exceptional quality home, Vertical | Design+Build and Trade Mark Interiors is the team for you.”
“You have created a company that not only does what it promises, but over-delivers on those promises; providing excellent quality and timeliness at a very fair cost!”
“The design and quality that Grant Castilow and his team put in to the homes they build is unparalleled.”
“Impressive attention to detail resulted in a beautiful home, elegant in its simplicity and livability.”
“We are so proud of our home, and we are still in awe of being able to live in such a sublime environment.”
“I would recommend Grant Castilow for any construction project, and would use him again.”
“It was a breath of fresh air to rely on a trusted team for their vision and ability to create our home. It made the whole process very simple and enjoyable.”
“Grant Castilow and his team took our vision of our waterfront home, enhanced it, and then brought it to life, crafted to perfection.”
“To be close friends with your Builder after the project is complete says it all.”
“Woowwwwwowowoowow! So impressed!!! Thanks for all you’re doing to speed everything along and all the work you’re doing in such a professional, organized and exceptional manner; you’re truly transforming our home in to a beautiful place!!!”
“You are a great communicator and we appreciate it…wanted you to know.”
“Grant Castilow and the entire team at Vertical Design + Build are simply the best. Grant took over a stalled project which we had begun with another contractor and immediately got it back on track and completed ahead of schedule and under budget. When does that happen? I would highly recommend him for any new construction or major remodel project.”
“Anthony Nuccio, Vertical Design+Build’s Construction Manager, is the best guy ever!”
“Dear Anthony, Just want to thank you for helping me with the elevator pads – We appreciate your kindness and think you are pretty special.”

Selected Projects

At Vertical | Design+Build, we specialize in concept-to-creation services that will bring your custom dream home to life. Below are samples of some of the recent homes we have created for our clients. Click on any of the homes for additional details and photos.

Windows to the Bay

Modern Bay View

Sophisticated Gulf Front

Charming Home

Old Florida Island House

Sanderling Adobe

Bayfront Family Compound

Key West Community


Modern Mediterranean

Check out our in-progress projects

See what the Vertical Design+Build team is currently building

Campbell Cabinetry Image
In PRogress Building Entrance
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House under construction
Framing inside house
House under construction workstation
Vertical Design Build Work Truck