Looking for a drainage contractor in Sedro-Woolley, WA? Describe your project once and up to five drainage contractors who work in Sedro-Woolley and Skagit County get back to you with a quote. It's free and there is no obligation.
Sedro-Woolley is home to about 13,215 people (2024 Census Bureau estimate), a growing community (+6.3% since 2020). With 3,040 people per sq mi, it is a suburban area. Heavy rains, clay soils and flat lots are common causes of soggy yards here.
Sedro-Woolley at a glance
- Population (Census Bureau estimate, 2024)
- 13,215 (+6.3% since 2020)
- Rank in Washington
- 76th of 281 cities and towns
- Land area
- 4.3 sq mi
- Population density
- 3,040 people per sq mi (suburban)
- Type
- City (Sedro-Woolley city)
- Main county
- Skagit County
What to check before hiring in Sedro-Woolley
- Call 811: utilities must be marked before digging.
- Outlet: ask where the water will go; local rules limit discharges toward neighbors and streets.
- Permits: in Washington, large grading jobs may need a permit from the city or county.
- Price drivers: length of drain, depth, outlet, and lawn or hardscape restoration.
Useful official resources
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Call 811
Official information and guidance.
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EPA: green infrastructure for homeowners
Official information and guidance.
Services available in Sedro-Woolley
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French drain or yard drain
French drain, catch basins or channel drains to move water away from the problem area.
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Grading and regrading
Regrading the soil so that water flows away from the house.
Frequently asked questions in Sedro-Woolley
How much does yard drainage cost in Sedro-Woolley, WA?
It depends on the length of drain, the depth and the outlet. Describe the problem: contractors who serve Sedro-Woolley reply with a quote.
How long does it take?
Most residential drains take one to three days.
Will a drain fix a wet basement?
It can help when water comes from the yard; inside problems may need waterproofing too.
Which drainage contractors will contact me?
Up to five independent drainage contractors who serve Sedro-Woolley and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.