Best States / Iowa / Dallas County

Dallas County, IA · off-grid fact sheet

Can you live off-grid in Dallas County, Iowa?

90
of 100
Good with caveats

Yes, with two things to plan around. The ground is mostly flat and drains well, which keeps building simple. Typical well depths here range from 20 feet to 600 feet, so get a local driller's quote. NOAA counts about four strong tornadoes a decade within 25 miles, so a storm shelter belongs in the plan.

What the land says

Rain
Rain helps, but plan on a well for most of your water and on watering the garden in dry months.
About 35 inches a year (PRISM, 1991 to 2020 average)
Wells
Well depth varies a lot here. Get a local driller's quote before you offer.
Typical well depths here range from 20 feet to 600 feet
Growing season
Enough for most vegetables. Start tomatoes and peppers indoors.
About 167 frost-free days, USDA zone 5a; last frost about April 26, first about October 11
Sun
Good sun. Size the array and battery bank for winter.
About 4.8 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 places
Wildfire
Low wildfire risk.
U.S. Forest Service wildfire hazard map: Very Low here
Storms
Strong tornadoes are common. A storm shelter belongs in the plan.
NOAA: no hurricane-strength storm within 50 miles since 1975; about 4 strong (EF2 or stronger) tornadoes a decade within 25 miles
Terrain
Flat to gentle, easy to build on.
Slopes average about 2%, about 1,020 feet above sea level
Soil
Good ground for a standard septic system. The county's soil test decides.
Loam, well drained (USDA soil survey). A standard system typically runs $5,000 to $10,000
Road
Paved roads are close by.
Nearest paved road usually within about 0.5 miles (OpenStreetMap)

Check an Iowa parcel, or plan the one you own

Get a free 0-100 off-grid score.

Is it legal here?

Zoning
We found no public zoning map for Dallas County, so call the county planning office with the parcel number to ask whether the land is zoned.
Building code
Iowa's state building code applies only where a county or city adopts it (and in cities over 15,000 with no code of their own), so in a county with no code there is no county building permit for a house. The state's energy rules still apply to new homes.
Rainwater
Collecting it is allowed.
Composting toilets
Allowed.
Water rights
Owners of land along a creek or lake can make reasonable use of its water.

Look up a parcel's zoning free, or read Is it legal to live off-grid in Iowa? for permits, septic, wells, and the counties that opt out.

What it costs to set up a homestead here

Well
Not priced
Depends on depth, which varies here. Get a driller's quote.
Septic
$5,000 to $10,000
Standard system
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
$27,000 to $56,000
Before the house, plus the well

Before you make an offer on land here

Well depth
Get a local driller's depth estimate.
Typical well depths here range from 20 feet to 600 feet.
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.
Zoning
Call the county planning office with the parcel number.
There is no public zoning map, so we cannot tell whether the land is zoned.

Nearby counties

111,092 people live in Dallas County, about 188.9 per square mile. It ranks tied for 24th of the 99 Iowa counties we scored, and Iowa ranks 21st of 50 states.

Guthrie County, IA · Polk County, IA · Madison County, IA · Boone County, IA · Greene County, IA · Adair County, IA · All scored Iowa counties

A good county is not a good parcel. Two lots a mile apart can score 80 and 35. Score the one you are looking at, free, in about a minute.

Score a parcel free →

Sources: FEMA flood maps, USGS and state driller well records, USGS brackish groundwater study, USDA soil survey, USGS 3DEP elevation, U.S. Forest Service wildfire hazard, USGS seismic hazard, USGS PAD-US public land, U.S. Census housing counts, USDA county land values, FCC broadband map, CMS hospital list. Rainfall: PRISM Group, Oregon State University, prism.oregonstate.edu (1991-2020 normals, 4 km grid; accessed 2026-09-17). Temperatures: PRISM Group, Oregon State University, prism.oregonstate.edu (1991-2020 temperature normals, 4 km grid; accessed 2026-09-26). Storms: NOAA hurricane tracks (HURDAT2, 1975-2025) and Storm Prediction Center tornado paths (EF2+, 1990-2025). Roads: © OpenStreetMap contributors. Data updated September 2026.