Grading & Drainage · Seattle, WA

Grading & Drainage Repair Costs

Site grading and surface water management. Estimates below are localized to labor and material rates in the Seattle, WA area (zip prefix 981). Enter your exact zip to refine.

Showing local estimates for Seattle, WA (98101)

Major$1,185 – $7,112

Standing water near foundation

Install French drain or re-grade

Major$604 – $3,621

Negative grading toward foundation

Re-grade soil away from foundation

Moderate$352 – $2,349

Walkway/patio uneven/trip hazard

Mudjack or replace walkway sections

Major$355 – $1,419

Sump pump missing or not working

Install or replace sump pump

Minor$115 – $576

Driveway cracks/settlement

Seal or repair driveway cracks

Minor$59 – $352

Sump pump discharge too close to house

Extend sump pump discharge line

Minor$22 – $89

Window well covers missing

Install window well covers

About These Estimates

These estimates are based on national averages adjusted for local labor and material costs using BLS and BEA data. Actual costs vary based on specific conditions, contractor availability, and project complexity. Always obtain multiple quotes from licensed local contractors.