Looking for a slab leak plumber in Onslow, IA? Describe your project once and up to three licensed plumbers who work in Onslow and Jones County get back to you with a quote. It's free and there is no obligation.
Onslow is home to about 198 people (2024 Census Bureau estimate), a stable community (−0.5% since 2020). With 1,020 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.
Onslow at a glance
- Population (Census Bureau estimate, 2024)
- 198 (−0.5% since 2020)
- Rank in Iowa
- 667th of 940 cities and towns
- Land area
- 0.2 sq mi
- Population density
- 1,020 people per sq mi (semi-rural)
- Type
- City (Onslow city)
- Main county
- Jones County
What to check before hiring in Onslow
- Test the meter: turn off every fixture and watch the meter.
- License: in Iowa, 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 Onslow
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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 Onslow
How much does slab leak repair cost in Onslow, IA?
It depends on detection, access and the repair method. Describe your situation: plumbers who serve Onslow 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 Onslow 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.