Looking for a crawl space contractor in Treynor, IA? Describe your project once and up to five crawl space contractors who work in Treynor and Pottawattamie County get back to you with a quote. It's free and there is no obligation.
Treynor is home to about 1,104 people (2024 Census Bureau estimate), a growing community (+7.0% since 2020). With 1,699 people per sq mi, it is a suburban area. Humid summers and homes built over vented crawl spaces make moisture problems common here.
Treynor at a glance
- Population (Census Bureau estimate, 2024)
- 1,104 (+7.0% since 2020)
- Rank in Iowa
- 257th of 940 cities and towns
- Land area
- 0.6 sq mi
- Population density
- 1,699 people per sq mi (suburban)
- Type
- City (Treynor city)
- Main county
- Pottawattamie County
What to check before hiring in Treynor
- Water first: standing water needs drainage before a vapor barrier.
- Wood damage: ask for a moisture reading and an assessment of joists and sills.
- Humidity control: check what dehumidifier or air supply is included and its maintenance.
- Price drivers: footprint, height, debris removal, drainage and repairs.
Useful official resources
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U.S. Department of Energy: Energy Saver
Official information and guidance.
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EPA: mold
Official information and guidance.
Services available in Treynor
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Crawl space encapsulation
Heavy vapor barrier on the floor and walls, sealed vents and a dehumidifier or conditioned air.
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Crawl space drainage and joist repair
Drainage, sump pump, joist or support repairs before or with encapsulation.
Frequently asked questions in Treynor
How much does crawl space encapsulation cost in Treynor, IA?
It depends on the size of the crawl space, its condition and the equipment. Describe it: contractors who serve Treynor reply with a quote.
How long does it take?
Often two to four days for a typical house.
Does it need maintenance?
Yes: the dehumidifier and any sump pump need regular checks.
Which crawl space contractors will contact me?
Up to five independent crawl space contractors who serve Treynor 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.