Screen Room Cost in Mount Pleasant, SC — What to Expect

Screen rooms are among the most-requested outdoor living projects in Mount Pleasant — and for good reason. The Lowcountry's insects make unscreened outdoor spaces genuinely uncomfortable from spring through fall, and Mount Pleasant's homeowners have the properties and the investment appetite to build outdoor spaces that actually get used. A well-built screen room in Mount Pleasant transforms how a home is lived in for decades. For a full overview of our custom screen room building services in Charleston and Charlotte, visit our screen rooms hub.

What Screen Rooms Cost in Mount Pleasant

Screen rooms in Mount Pleasant typically range from $65,000 for a basic structure to $160,000 or more for a large, fully appointed space with premium finishes and features. Our typical screen room project in Mount Pleasant runs $90,000 to $130,000 — reflecting the coastal material requirements, the level of finish that the market expects, and the permitting complexity of the Mount Pleasant jurisdiction.

A 400-square-foot screen room with standard finishes, a concrete slab floor, and basic screening is a different project than a 700-square-foot vaulted screen room with a gas fireplace, tongue-and-groove ceiling, cable railing, and premium composite decking. Both are screen rooms. The cost difference between them is not incremental.

What Drives the Cost in Mount Pleasant

Size and Structural Complexity

Square footage is the most obvious driver. Our pricing for screen room construction in Mount Pleasant typically runs $140 to $170 per square foot for the structure itself, before add-ons. A vaulted cathedral ceiling, a hip roof, or a structure that ties into an existing roofline at multiple points adds structural complexity and cost.

The Fireplace

A gas fireplace is the single most popular add-on for screen rooms in Mount Pleasant — and the most significant cost item. A well-appointed gas fireplace with a stone or brick surround typically adds $15,000 to $25,000 to a project. It is also what makes a screen room genuinely usable from October through March. Homeowners in Mount Pleasant's waterfront neighborhoods consistently tell us the fireplace is what turned their screen room from a summer amenity into a year-round gathering place. For the full breakdown, see our guide on adding a fireplace to your screen room.

Coastal Material Requirements

Mount Pleasant's proximity to the water means that every material decision in a screen room is also a durability decision. 316 marine-grade stainless steel hardware throughout. Premium treated lumber at the highest grade for all framing. Tongue-and-groove cypress or composite ceiling rather than standard drywall. These are not optional upgrades — they are the baseline for a screen room that will perform as expected in the coastal environment. For more on why materials matter, see our guide on screen room materials for coastal homeowners.

Permitting in Mount Pleasant

Mount Pleasant has its own permitting department, and the process has become more complex as the town has grown. A straightforward screen room permit in a standard zone might take six to ten weeks. Projects in flood zones, near wetlands, or in communities with HOA review processes take longer.

We handle permitting for all of our screen room projects in Mount Pleasant. We have submitted enough applications in this specific jurisdiction to know exactly what reviewers need and how to prepare documentation that moves through review cleanly. A poorly prepared submittal can add months to a project timeline — and in Mount Pleasant's active permitting environment, that is a real cost. For a broader look at the permitting process, see our screen room permitting guide.

HOA Considerations in Mount Pleasant

Many Mount Pleasant neighborhoods have HOA requirements that govern screen room construction — materials, colors, setbacks, and design standards. Seaside Farms, Carolina Park, and the newer planned communities have the most detailed HOA standards. We verify HOA requirements before specifying any screen room design and handle all HOA coordination as part of the project scope.

The Value Equation in Mount Pleasant

A well-built screen room adds meaningful value to a Mount Pleasant home — both in terms of appraised value and in terms of how the home is used and enjoyed. In Mount Pleasant's market, where outdoor living is an increasingly important selling point and buyers have high expectations for quality, a well-appointed screen room is not a luxury. It is an investment in the livability and marketability of the property.

The caveat: the value is in a well-built screen room. A screen room built with inadequate structural framing, wrong-grade hardware for the coastal environment, or poor integration with the existing home will not hold its value — and will create maintenance and repair costs that erode the investment.