Water damage restoration costs $2,000 to $6,000 on average. However, water damage repair can cost from $150 to $100,000, depending on many factors.| HomeGuide
A whole-house dehumidifier costs $1,100 to $3,500. The cost to install a dehumidifier in a basement or crawl space is $1,000 to $3,000.| HomeGuide
Spray foam insulation costs $1.00 to $4.50 per square foot or $1,300 to $4,000 installed. Closed-cell spray foam costs $1.30 to $2.90 per board foot.| HomeGuide
A radon mitigation system costs $1,200 to $2,000 installed on average. The cost of radon mitigation depends on the home size, design, and system type.| HomeGuide
Mold remediation costs $15 to $30 per square foot or $1,500 to $6,000 on average, depending on the location, size of the area, mold type, and extent of damage.| HomeGuide
A French drain costs $10 to $35 per linear foot or $500 to $8,800 on average for a yard or curtain drain. An interior basement French drain costs $4,000 to $17,000.| HomeGuide
A drainage system in a yard costs $1,000 to $4,000. Interior perimeter drain tile costs $4,000 to $12,000. French drain installation costs $10 to $25 per foot.| HomeGuide
Crawl space repair costs $2,500 – $8,000 for foundation repair, water removal, replacing a support beam. Crawl space cleaning costs $500 – $4,000 for mold removal.| HomeGuide
Crawl space encapsulation costs $1,500 – $15,000. A vapor barrier costs $2 – $4 per square foot. Costs include a drainage system, insulation, repairs, and sealing.| HomeGuide