Looking for a crawl space contractor in Ontonagon, MI? Describe your project once and up to three crawl space contractors who work in Ontonagon and Ontonagon County get back to you with a quote. It's free and there is no obligation.
Ontonagon is home to about 1,262 people (2024 Census Bureau estimate), a stable community (−0.2% since 2020). With 343 people per sq mi, it is a semi-rural area. Humid summers and homes built over vented crawl spaces make moisture problems common here.
Ontonagon at a glance
- Population (Census Bureau estimate, 2024)
- 1,262 (−0.2% since 2020)
- Rank in Michigan
- 326th of 533 cities and towns
- Land area
- 3.7 sq mi
- Population density
- 343 people per sq mi (semi-rural)
- Type
- Village (Ontonagon village)
- Main county
- Ontonagon County
What to check before hiring in Ontonagon
- 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 Ontonagon
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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 Ontonagon
How much does crawl space encapsulation cost in Ontonagon, MI?
It depends on the size of the crawl space, its condition and the equipment. Describe it: contractors who serve Ontonagon 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 three independent crawl space contractors who serve Ontonagon 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.