McDowell Drain & Waterproofing

Canadian owned and operated

McDowell Drain & Waterproofing is a trusted Niagara Region team delivering complete solutions for wet basements, flooding risks, and failing drainage systems. We specialize in interior and exterior basement waterproofing, foundation waterproofing and crack repair, clogged drain clearing, hydro jetting, sewer camera inspections, and drain repair or full replacement. For stronger flood protection, we also install and service sump pump systems and backwater valves to help prevent sewer backups. With honest recommendations, quality workmanship, and fast response times, we fix the root cause—not just the symptoms—so your home stays dry, safe, and stress-free across St. Catharines, Niagara Falls, Welland, Thorold, Fort Erie, Grimsby, Lincoln, and nearby areas.