Replacing a roof is one of the most significant investments you’ll make in your home. In Charleston’s coastal climate, where heat, humidity, salt air, and seasonal storms are constant factors, roof replacement costs can vary widely based on materials, roof design, and installation requirements.

This guide breaks down what impacts roof replacement costs in Charleston and provides realistic pricing ranges for the most common roofing systems. While these numbers offer helpful insight, final pricing is always determined after an on-site evaluation.

Understanding Roof Replacement Costs in Charleston

Roofing prices are typically calculated per square, with one square equal to 100 square feet of roofing surface. Most residential and light commercial roof replacements in the Charleston area fall into one of the following categories:

• Asphalt shingle roofing
• Metal roofing
• Synthetic slate or shake roofing (such as Brava)
• Commercial flat roofing systems (TPO)

Homeowners searching for a trusted roofing contractor in Charleston, SC should understand how each roofing system affects overall cost, longevity, and performance.

Asphalt Shingle Roof Replacement Costs

Estimated Cost: $400–$700 per square

Asphalt shingles are the most common roofing choice for Charleston homes due to their affordability, versatility, and wide range of styles.

Factors that influence asphalt shingle pricing include:

• Roof slope and pitch
• Number of facets, valleys, and penetrations
• Flashing replacement
• Shingle type and aesthetics
• Ridge cap systems
• Ventilation upgrades
• Underlayment selection

Learn more about materials and installation options on the asphalt shingle roofing services in Charleston page.

Metal Roof Replacement Costs

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

Metal roofing continues to grow in popularity throughout Charleston thanks to its durability, wind resistance, and long lifespan.

Pricing varies depending on:

• Metal gauge
• Panel profile
• Substrate and decking condition
• Backer rod installation
• Trim, flashing, and edge detailing

Metal roofs perform exceptionally well in coastal environments and offer long-term value for homeowners focused on durability and performance.

Brava Synthetic Roof Replacement Costs

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

Brava synthetic roofing systems replicate the appearance of natural slate, cedar shake, or barrel tile while offering modern performance benefits.

Cost considerations include:

• Premium composite materials
• Architectural detailing and custom color blends
• Advanced fastening and installation methods
• Long lifespan with minimal maintenance

For high-end projects, our team specializes in Brava synthetic roof installation in Charleston.

Commercial TPO Roof Replacement Costs

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

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

Pricing depends on:

• Roof size and layout
• Insulation thickness and attachment method
• Tear-off vs. overlay installation
• Drainage design and penetrations
• Edge metal and termination details

When properly designed and installed, TPO systems provide energy efficiency and long-term protection.

What Impacts the Final Cost of a Roof Replacement?

While material choice plays a large role, final pricing is influenced by several additional factors:

• Roof complexity and access
• Structural repairs or decking replacement
• Ventilation improvements
• Code requirements and permitting
• Installation craftsmanship and detailing

Get an Accurate Roof Replacement Estimate in Charleston

The pricing ranges above provide helpful guidance, but every roof is unique. A professional on-site evaluation allows for an accurate assessment of structure, ventilation, materials, and installation requirements. If you’re planning a roof replacement in Charleston or the surrounding areas, working with an experienced local contractor ensures long-term performance and peace of mind.