Looking for a drainage contractor in Kinloch, MO? Describe your project once and up to five drainage contractors who work in Kinloch and St. Louis County get back to you with a quote. It's free and there is no obligation.
Kinloch is home to about 262 people (2024 Census Bureau estimate), a shrinking community (−1.1% since 2020). With 361 people per sq mi, it is a semi-rural area. Heavy rains, clay soils and flat lots are common causes of soggy yards here.
Kinloch at a glance
- Population (Census Bureau estimate, 2024)
- 262 (−1.1% since 2020)
- Rank in Missouri
- 602nd of 938 cities and towns
- Land area
- 0.7 sq mi
- Population density
- 361 people per sq mi (semi-rural)
- Type
- City (Kinloch city)
- Main county
- St. Louis County
What to check before hiring in Kinloch
- 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 Missouri, 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 Kinloch
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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 Kinloch
How much does yard drainage cost in Kinloch, MO?
It depends on the length of drain, the depth and the outlet. Describe the problem: contractors who serve Kinloch 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 Kinloch 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.