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,
Integrating a sunspace into your home brings a multitude of benefits. A sunroom serves as a versatile sanctuary, usable throughout the year. This provides a comfortable spot for relaxation or hosting gatherings, irrespective of the weather. A sunroom not only enhances the aesthetic appeal of your home but also significantly boosts its market value. Sunrooms are a source of natural light, offering health benefits like increased Vitamin D intake and improved mood. Our Eze breeze windows ensure that your sunroom is not just a visual delight but also an energy-efficient feature, helping to reduce your energy costs. Overall, a sunroom from East Coast Enclosures is more than just an addition; it’s a lifestyle enhancement that beautifies and elevates your living space.
Absolutely, our screen rooms are expertly designed to keep insects and pests at bay, allowing you to relish the outdoors without the annoyance of bugs. We utilize high-quality screens that are durable and effective, striking the perfect balance between insect protection and optimal airflow. Our meticulous design ensures a tight seal and proper fitting, eliminating any gaps that might invite pests. For added convenience and flexibility, we also offer motorized screens, enabling you to adjust your outdoor experience with just a button press.

When you decide to enhance your home or outdoor living space with East Coast Enclosures, you’re stepping into a journey of creativity and personal expression. 

If you’re a fan of sunrooms, we have a variety of design options available, from classic elegance to modern chic. This ensures that your new addition seamlessly fits in with your home’s architecture.

Our screen rooms are versatile and can adapt to any space, offering different screen types and frame options.

The customization extends to our Eze Breeze Vinyl Window Systems, providing various styles and designs to match your unique taste and outdoor atmosphere.

If you need more living space, perhaps a Home Addition is in the cards.  If so, we are here to serve you!

Quality, trust and service are the cornerstones of East Coast Enclosures.  We proudly offer ALL hassle-free warranties and protections on ALL projects.  From materials to craftsmanship, we stand behind everything we do. We live in this community, we serve in this community and we are grateful for this community.

Why Choose Us as Your Sunroom Contractor Company?

Proven Sunroom Expertise

With over 100+ combined years of construction & design experience, our Team has the knowledge and expertise to bring any project to life.

Custom Sunroom Designs

Everything we do is custom!  Sunrooms, screen rooms, additions, garages and more.  No two projects are the same and we love that!

On A Mission

We are On Mission to serve our customers and our community.  Our commitment is unwavering and our customer service is unmatched by any company in our industry.

Superior Material Quality

To achieve high-quality results, you must use high quality materials.  That’s why we partner with Eze-Breeze, Trex, Vytex Windows, James Hardie, GAF, PGT and more.

Sunroom and Screen Room Areas We Serve

Building Dreams. Supporting Heroes.

At East Coast Enclosures we are on A Mission.  Our mission is to serve our community with high quality, affordable sunrooms, screen rooms and enclosures.  

At the completion of every project, we donate a portion of proceeds to help support homeless Veterans right here in Horry County.

“Owning a business is a tremendous blessing, opportunity and responsibility.  It creates the unique chance to rally an organization, and its customers, around a shared mission.  It is a tremendous honor to be a part of this Team and this Mission.”