How Much Does a Roof Cost in Charleston?
What Homeowners Need to Know

Roof installation Cost in Charleston: What to Expect

Replacing a roof is one of the most important investments you’ll make in your home. In Charleston’s coastal climate - where heat, humidity, salt air, and storms all play a role - roofing costs vary based on material, design complexity, and installation requirements. Below is a general pricing guide to help you understand what impacts roof replacement costs and what you can expect for different roofing systems. Final pricing is always determined after an on-site evaluation.

Roofing Cost Overview

Roofing prices in Charleston are typically calculated per square, with one square equal to 100 square feet of roofing surface. Most residential roof replacements fall into one of the following categories: Asphalt shingles, Metal roofing, Synthetic slate or shake systems (such as Brava), Commercial flat roofing (TPO). Pricing can vary significantly depending on roof design, materials, labor requirements, and optional upgrades.

Asphalt Shingle Roof Installation Costs

Estimated Cost: $400–$700 per square

Asphalt shingles remain the most common roofing option for Charleston homes due to their versatility and affordability.
Factors that influence shingle pricing include:

Roof slope & pitch – Steeper roofs require additional safety measures and labor
Number of facets & valleys – Complex rooflines increase installation time
Flashing replacement – Chimney, wall, and valley flashing upgrades
Shingle aesthetics – Architectural vs. designer shingles
Ridge cap options – Standard vs. enhanced ridge systems
Ventilation upgrades – Ridge vents, intake vents, or improved airflow systems
Underlayment selection – Synthetic, peel-and-stick, or high-performance moisture barriers

Shingle roofing offers flexibility in appearance and performance, making it a strong option for many Lowcountry homes.

Metal Roof Installation Costs

Estimated Cost: $1,000–$1,800 per square

Metal roofing is increasingly popular in Charleston due to its durability, wind resistance, and long lifespan.
Pricing varies based on:

Metal gauge – Thicker metal increases strength and cost
Panel profile – Standing seam vs. exposed fastener systems
Substrate & decking condition
Backer rod installation – Used for expansion control and weather sealing
Trim, flashing, and edge details

Metal roofs offer excellent performance in coastal environments and can significantly enhance both longevity and curb appeal.

Brava Synthetic Roofing Costs

Estimated Cost: $2,000–$2,600 per square

Brava synthetic roofing systems replicate the look of slate, cedar shake, or barrel tile while offering exceptional durability.

Cost considerations include:

Premium composite material construction
Architectural detailing and custom color blends
Advanced fastening and installation methods
Long lifespan and minimal maintenance requirements

Brava roofing is often chosen for luxury homes, historic architecture, and homeowners seeking a high-end aesthetic with modern performance.

Commercial TPO Roof Installation Costs

Estimated Cost: $1,400–$2,000 per square

Thermoplastic Polyolefin (TPO) roofing is commonly used on commercial buildings and low-slope residential structures.

Pricing depends on:

Roof size and layout
Insulation thickness and attachment method
Existing roof tear-off vs. overlay
Drainage design and penetrations
Edge metal, flashing, and termination details

TPO systems provide energy efficiency, flexibility, and long-term protection when properly installed.

Get an Accurate Roof Replacement Estimate

While these ranges provide helpful guidance, every roof is unique. A proper inspection allows us to evaluate structure, ventilation, materials, and installation requirements to deliver a precise estimate tailored to your home or building. Contact us today!