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Home If you’re noticing damp walls, musty smells, standing water, or increased humidity in your basement, you’re not alone. For homeowners in the Seattle and Puget Sound area, basement moisture and water intrusion are common issues, not just during the wettest months. At All Seasons Waterproofing and Drainage, we help homeowners understand how water gets into basements, why it’s a problem, and what effective solutions look like. Why Basement Water Matters in Seattle Seattle averages over 150 rainy days per year, and its heavy seasonal