Looking for a basement waterproofing contractor in Downsville, LA? Describe your project once and up to three waterproofing contractors who work in Downsville and Union Parish get back to you with a quote. It's free and there is no obligation.
Downsville is home to about 113 people (2024 Census Bureau estimate), a shrinking community (−5.8% since 2020). With 152 people per sq mi, it is a semi-rural area. Heavy rains, high water tables and older foundations are the usual causes of wet basements here.
Downsville at a glance
- Population (Census Bureau estimate, 2024)
- 113 (−5.8% since 2020)
- Rank in Louisiana
- 296th of 304 cities and towns
- Land area
- 0.7 sq mi
- Population density
- 152 people per sq mi (semi-rural)
- Type
- Village (Downsville village)
- Main county
- Union Parish
What to check before hiring in Downsville
- Outside first: check gutters, downspouts and grading before paying for a system.
- License and permit: in Louisiana, check the contractor's license and whether a permit is needed.
- Warranty: ask what it covers, whether it is transferable and who backs it.
- Price drivers: wall length, system type, sump pumps and excavation.
Useful official resources
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EPA: mold
Official information and guidance.
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ICC: International Code Council
Official information and guidance.
Services available in Downsville
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Interior drain tile and sump pump
Interior perimeter drain, sump pump and vapor barrier to keep water out of the basement.
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Exterior waterproofing
Excavation, membrane and footing drain on the outside of foundation walls.
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Basement crack sealing
Injection or sealing of leaking cracks in poured or block foundation walls.
Frequently asked questions in Downsville
How much does basement waterproofing cost in Downsville, LA?
It depends on the system and the size of the basement. Describe the problem: contractors who serve Downsville reply with a quote.
How long does it take?
Interior systems often take a few days; exterior work takes longer.
Will waterproofing stop mold?
It removes the main cause. Existing mold should be cleaned up separately.
Which waterproofing contractors will contact me?
Up to three independent waterproofing contractors who serve Downsville 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.