Building Dreams & Supporting Heroes

The Grand Strand's Premier Sunroom Contractor

Sunrooms, Screen Rooms, Pergolas, Additions and More.

East Coast Enclosures is the Grand Strand’s premier builder of Sunrooms, Screen Rooms, Eze Breeze Vinyl Windows, Custom Pergolas, Home Additions,  New Garages. and more.

From start to finish, our in-house TEAM provides superior design and outstanding communication throughout every project. 

When construction begins, our in-house carpenters build every project like it was their own.  From start to finish, you will work with an East Coast Enclosures employee!

With over 150+ years of combined construction experience, our Team is dedicated to creating high quality, custom spaces for our customers, their families and their businesses.

East Coast Enclosures is also a local, veteran owned & operated company that is On A Mission to help homeless veterans in Horry County.  We love what we do and we would be honored to serve you any way that we can.  Please contact us today to discuss your project.  


Sunrooms by East Coast Enclosures


Sunrooms create a serene and tranquil living space for your family to enjoy all year long. As a leading sunroom builder along the Grand Strand, we would love to serve you and your family.

Season Room | Patio Screen Room

Screen Rooms

Screen Rooms can add outdoor living space to your home while offering protection from bugs, critters and rain. Add a Screen Room and start enjoying the Coastal Weather all year round!

Eze Breeze Windows by East Coast Enclosures 11

Eze Breeze Vinyl Windows

Create a 3-Season space with Eze Breeze vinyl window systems. The marine-grade vinyl keeps out pollen, bugs, and pests while you enjoy the warm South Carolina Coastal air.

Custom Pergolas by East Coast Enclosures

Custom Pergolas

Our custom pergolas are designed, engineered and built to withstand 155 mph hurricane winds. They are also maintenance free with a lifetime warranty!

Garage 1

Garages & Outbuildings

Are you looking to expand you existing garage, outbuilding, mancave, she-shed or office? Our Team is here to serve you.

Additions by East Coast Enclosures

Home Additions

A well designed addition will enhance both lifestyle and property value. From an extra bedroom/office to an entirely wing, our Team is here to serve you!

Frequently Asked Questions (FAQ)- Sunrooms, Screen Rooms, Pergolas and Additions.

Yes, East Coast Enclosures holds both a residential and commercial builder’s license.  The Founder & Co-Owner, Cass Lowrie, has built, remodeled and flipped over 400+ homes in his construction career.  His vast experience, expertise and construction knowledge earned Cass a NASCLA Unlimited Contractor’s License that is recognized by 15 states.

At East Coast Enclosures, we are an in-house TEAM.  From sales, to graphic Designer, Construction Manager, carpenters and installers.  From start to finish, you will work exclusively with ECE employee.  As a local, veteran owned & operated business, you can also expect a jobsite visit(s) from either one of the owners during construction.  Visiting and inspecting EVERY project is a promise and commitment that truly separates the ownership at ECE from any other sunroom company in Horry County.  

Yes, our entire mission is to serve others who have served us.  For this reason, we offer a 2% Appreciation Discount to veterans of ALL military branches, police officers, firefighters, EMS, medical professionals and teachers.  Hooraah!

Yes, at East Coast Enclosures, we’re pleased to offer FREE design consultations and estimates for all construction projects. Whether you’re dreaming of a sunroom, a new addition, or a new garage our Team is here to serve you. Please call us today for a no strings attached estimate.  It would be an honor to serve you and your family any way that we can.

We currently serve customers throughout Horry County in South Carolina.  Expansion plans include Brunswick County, NC in 2024.

Yes, East Coast Enclosures is a Unlimited General Contractor.  We serve both the residential and commercial markets along the Grand Strand.  This includes all buildings up to thirty (30) stories in height.  We can install sunrooms, screen rooms, Eze Breeze windows,  renovations and more in all buildings, residential or commercial.

At East Coast Enclosures, our expert team gets right to work, ensuring a swift and seamless project.  Every project is unique, but regular updates from your Project Manager and Design Team will keep you in the loop, promising a hassle-free process from start to finish. The majority of our projects take 1-3 months from contract to completion.  Our Designer will explain and review the specific timelines for your project.  Our mission is to complete every project as quickly,