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Cost of Exterior Drainage in Kent

The cost of exterior drainage in Kent, WA can vary significantly depending on several factors. Ensuring proper drainage is crucial to prevent water damage, soil erosion, and other related issues. Understanding the various factors that influence costs and common tasks involved can help homeowners budget effectively for exterior drainage projects.

Factors Affecting Cost

  • Property Size: Larger properties typically require more extensive drainage solutions.
  • Soil Type: Clay or rocky soil can complicate installation, increasing costs.
  • Drainage System Type: French drains, surface drains, and trench drains have different cost implications.
  • Permits and Inspections: Local regulations may require permits and inspections, adding to the overall cost.
  • Labor Costs: Labor rates in Kent, WA can vary, affecting the total project cost.
  • Existing Landscaping: More complex landscapes may require additional work to install drainage systems.
  • Accessibility: Hard-to-reach areas can increase labor and equipment costs.
  • Material Quality: Higher-quality materials, while more expensive, offer better durability and performance.

Average Costs for

Task Average Cost (Kent, WA)
French Drain Installation $2,000 - $6,000
Surface Drain Installation $1,500 - $4,000
Trench Drain Installation $1,000 - $3,500
Downspout Extension $300 - $800
Sump Pump Installation $1,200 - $3,000
Grading and Sloping $500 - $2,500
Drainage System Inspection $150 - $500

Exterior Drainage