Compare 12 radon testing & mitigation contractors in Charleston.
Rapid Repairs is a local, family-run handyman service company in Charleston, SC that provides electrical, plumbing, carpentry, and general home repair services. They serve the tri-county area and have completed over 100,000 repairs since 1999.
Spray Foam Genie is a complete insulation contractor specializing in spray foam insulation installation for residential and commercial properties, offering superior energy efficiency and comfort solutions.
Spray foam insulation contractor serving the Lowcountry, offering spray polyurethane foam (SPF) insulation for crawl spaces, attics, and building envelopes to improve energy efficiency and prevent moisture infiltration.
Charlestowne Foundations provides foundation repair, moisture control, and air quality improvement solutions for crawl spaces and foundations in South Carolina with a lifetime guarantee.
R&E Home Solutions is a family-owned air duct cleaning and mold remediation company in Charleston, SC that provides professional air duct cleaning, dryer vent cleaning, mold removal, water damage restoration, and crawl space solutions.
Ram Jack of South Carolina is a foundation repair specialist providing permanent, engineered solutions for residential and commercial properties, including foundation repair, concrete lifting, and crawlspace encapsulation.
PuroClean of Charleston is a 24/7 emergency property restoration company specializing in water damage, fire damage, mold remediation, and biohazard cleanup for residential and commercial properties in the Charleston, SC area.
IBP Charleston provides professional insulation and FortiCel mold prevention services for new construction, retrofits, and commercial buildings in the Charleston and Lowcountry area.
New Beginnings Construction is a family-owned general contracting company specializing in roofing, siding, remodeling, and storm damage restoration for residential and commercial properties in Charleston, SC.
RKD Safety and Environmental Group provides industrial hygiene, safety assessments, and environmental consulting services including mold and asbestos surveys, air quality testing, and water damage assessments for industrial facilities, healthcare facilities, property managers, and homeowners.
New Age Contractors LLP provides comprehensive crawl space repair and encapsulation services in Charleston and throughout South Carolina. They specialize in solving moisture, mold, and structural issues using proven systems like CleanSpace and SmartJack support posts.
Charleston homeowners face common crawl space and foundation challenges driven by local soil and climate conditions. Moisture control, encapsulation, and structural repair are among the most-requested services.
Crawl space encapsulation in the Charleston area typically ranges from $5,000–$15,000 depending on square footage and moisture severity. Foundation repair costs vary widely based on the scope of work. Get multiple quotes from verified contractors.
Charleston-area contractors typically serve surrounding communities within a 30–50 mile radius.
The national average for radon mitigation is around $1,200, with most systems costing $800–$2,500. Get quotes from contractors above for accurate local pricing in Charleston.
Radon levels vary by neighborhood and even by home. The only way to know your home’s radon level is to test. The EPA recommends testing every home, regardless of geographic zone. If your home tests at or above 4 pCi/L, mitigation is recommended.
Yes. The EPA and most real estate professionals recommend radon testing during every home purchase. Many states require radon disclosure at sale. A short-term professional test (48–96 hours) is standard during the inspection period. If levels are elevated, mitigation can often be negotiated as a seller concession.
Look for contractors with NRPP or NRSB certification — these are the national credentials recognized by the EPA. Ask about their specific system design, warranty terms, and whether they include a post-mitigation re-test. Get at least 2–3 quotes.
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