Sump pumps cost $600 to $2,500 with installation on average, depending on the type, size, and installation difficulty.| 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
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
Interior basement waterproofing costs $4,500 to $10,000 on average. Exterior waterproofing a basement costs $10,000 to $15,000.| 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