Looking for a slab leak plumber in Nassau, MN? Describe your project once and up to three licensed plumbers who work in Nassau and Lac qui Parle County get back to you with a quote. It's free and there is no obligation.
Nassau is home to about 66 people (2024 Census Bureau estimate), a shrinking community (−1.5% since 2020). With 416 people per sq mi, it is a semi-rural area. Many homes here are built on slabs, with copper or older lines running under the concrete.
Nassau at a glance
- Population (Census Bureau estimate, 2024)
- 66 (−1.5% since 2020)
- Rank in Minnesota
- 805th of 855 cities and towns
- Land area
- 0.2 sq mi
- Population density
- 416 people per sq mi (semi-rural)
- Type
- City (Nassau city)
- Main county
- Lac qui Parle County
What to check before hiring in Nassau
- Test the meter: turn off every fixture and watch the meter.
- License: in Minnesota, slab repairs are done by state-licensed plumbers.
- Insurance: call your insurer early and document the damage.
- Price drivers: detection, access, repair method and floor restoration.
Useful official resources
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EPA WaterSense: fix a leak
Official information and guidance.
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IAPMO
Official information and guidance.
Services available in Nassau
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Slab leak detection
Electronic and acoustic leak detection under a concrete slab.
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Slab leak repair or reroute
Spot repair through the slab or rerouting of the line through walls or attic.
Frequently asked questions in Nassau
How much does slab leak repair cost in Nassau, MN?
It depends on detection, access and the repair method. Describe your situation: plumbers who serve Nassau reply with a quote.
Is it an emergency?
Shut off the water if damage is spreading; many plumbers offer fast service.
How long does a reroute take?
Often one to a few days.
Which licensed plumbers will contact me?
Up to three independent licensed plumbers who serve Nassau 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.