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Martin County, MN · off-grid fact sheet

Can you live off-grid in Martin County, Minnesota?

88
of 100
Good with caveats

Yes. We found no major drawback on the land. The ground is mostly flat and drains well, which keeps building simple.

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 32 inches a year (PRISM, 1991 to 2020 average)
Wells
Typical well depth. Budget for a mid-range well.
The typical well here is about 170 feet deep; a well typically runs $9,000 to $20,000
Growing season
Enough for most vegetables. Start tomatoes and peppers indoors.
About 157 frost-free days, USDA zone 4b; last frost about May 1, first about October 6
Sun
Good sun. Size the array and battery bank for winter.
About 4.7 hours of full sun a day, averaged over the year
Flood
Flood zones are rare here. Still, look up the parcel on FEMA's flood map.
FEMA maps no flood zones nearby
Wildfire
Low wildfire risk.
U.S. Forest Service wildfire hazard map: Very Low here
Storms
Hurricanes and strong tornadoes are rare here.
NOAA: no hurricane-strength storm within 50 miles since 1975; about 0.6 strong (EF2 or stronger) tornadoes a decade within 25 miles
Terrain
Flat, but the ground stays wet. Build on the higher, drier spot.
Slopes average about 3%, about 1,240 feet above sea level
Soil
Good ground for a standard septic system. The county's soil test decides.
Loam, moderately 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 0.8 miles (OpenStreetMap)

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Is it legal here?

Zoning
Martin County zones land outside its towns and publishes its zoning map. Our free lookup shows the district for any address.
Building code
The Minnesota State Building Code (the 2018 International Residential Code with Minnesota changes, for homes) applies statewide, but a city, township, or county enforces it only if it has adopted the code by ordinance. Whether a new home needs a building permit depends on that local adoption, so ask the city, township, or county.
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 Minnesota? for permits, septic, wells, and the counties that opt out.

What it costs to set up a homestead here

Well
$9,000 to $20,000
Drilled to about 170 feet, with pump and pressure tank
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 $9,000
From the nearest road to a house site
Clearing
$1,000 to $4,000
A house site, solar, and garden
Total
$36,000 to $77,000
Before the house

Before you make an offer on land here

Zoning
Look up the parcel's zoning district with our free tool.
The county publishes its zoning map.
Soil test
Get a soil test before you count on septic.
The county has to approve the ground before it issues a septic permit.
Road access
Confirm the parcel fronts a public road or has a recorded easement.
Without one, you may not have a legal way in.

Nearby counties

19,657 people live in Martin County, about 27.6 per square mile. It ranks tied for 4th of the 86 Minnesota counties we scored, and Minnesota ranks 31st of 50 states.

Watonwan County, MN · Emmet County, IA · Jackson County, MN · Faribault County, MN · Blue Earth County, MN · Dickinson County, IA · All scored Minnesota counties

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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.