Yes, but water will be the challenge. Wells run deep, near 450 feet, so budget $14,000 to $31,000 for one. The growing season runs about 204 frost-free days. Septic will likely cost more, because the soil stays wet for long stretches.
What the land says
Rain
Rain can supply much of a household's water with a large tank. A garden mostly waters itself in normal years.
About 45 inches a year (PRISM, 1991 to 2020 average)
Wells
Deep wells. Get a driller's quote before you offer.
The typical well here is about 450 feet deep; a well typically runs $14,000 to $31,000
Growing season
A full season for most vegetables.
About 204 frost-free days, USDA zone 6b; last frost about April 7, first about October 29
Sun
Good sun. Size the array and battery bank for winter.
About 4.9 hours of full sun a day, averaged over the year
Flood
Flood zones run along creeks and rivers here. Look up the parcel on FEMA's flood map.
FEMA maps flood zones within a quarter mile in parts of the county
Wildfire
Low wildfire risk.
U.S. Forest Service wildfire hazard map: Very Low here
Storms
Strong tornadoes pass through now and then. A safe room is worth pricing.
NOAA: no hurricane-strength storm within 50 miles since 1975; about 3 strong (EF2 or stronger) tornadoes a decade within 25 miles
Earthquakes
Strong shaking is possible. Build to the seismic code and brace the water tank.
USGS seismic hazard map: high
Terrain
Flat, but the ground stays wet. Build on the higher, drier spot.
Slopes average about 2%, about 470 feet above sea level
Soil
Expect a costlier septic system, because the soil stays wet for long stretches. The county's soil test decides.
Silt loam, poorly drained (USDA soil survey). A mound, sand filter, or treatment unit typically runs $10,000 to $20,000
Road
Paved roads are close by.
Nearest paved road usually within about 0.4 miles (OpenStreetMap)
Check an Illinois parcel, or plan the one you own
Get a free 0-100 off-grid score.
A step-by-step build plan, sizing your solar, water, garden, septic, heat, and buildings.
Is it legal here?
Zoning
We found no public zoning map for Perry County, so call the county planning office with the parcel number to ask whether the land is zoned.
Building code
Illinois does not require counties or cities to adopt a building code, and where a county has none there is no county building permit for a house. Since January 1, 2025, any local code that is adopted must be at least as strong as the International Residential Code on structural design.
Rainwater
Collecting it is allowed.
Composting toilets
Allowed with a permit and an approved unit.
Water rights
Owners of land along a creek or lake can make reasonable use of its water.
Drilled to about 450 feet, with pump and pressure tank
Septic
$10,000 to $20,000
Mound, sand filter, or treatment unit
Solar and batteries
$18,000 to $34,000
Sized for a modest household
Road or driveway
$3,000 to $8,000
From the nearest road to a house site
Clearing
$1,000 to $4,000
A house site, solar, and garden
Total
$46,000 to $97,000
Before the house
Before you make an offer on land here
Well cost
Get a driller's quote.
Wells here run near 450 feet, so the well is a large cost.
Soil test
Get a soil test before you count on septic.
The soil stays wet, which can rule out a standard system.
Flood map
Look up the parcel on FEMA's flood map.
Flood zones run along creeks and rivers here. Building in one means flood insurance and extra permits.
Nearby counties
20,503 people live in Perry County, about 46.4 per square mile. It ranks tied for 47th of the 102 Illinois counties we scored, and Illinois ranks 11th of 50 states.