Yes, with one thing to plan around. The growing season runs about 278 frost-free days, long enough for a spring and a fall garden. Texas counties cannot zone rural land, so there is no county zoning to clear. Typical well depths here range from 150 feet to 570 feet, so get a local driller's quote.
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 55 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 150 feet to 570 feet
Growing season
Long enough for a spring and a fall garden.
About 278 frost-free days, USDA zone 9a; last frost about February 26, first about November 29
Sun
Good sun. Size the array and battery bank for winter.
About 5.2 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 in places
Wildfire
Moderate wildfire risk. Keep brush cleared around the house.
U.S. Forest Service wildfire hazard map: Low to Moderate here
Storms
Hurricanes and strong tornadoes are rare here.
NOAA: one hurricane-strength storm within 50 miles since 1975; about 1 strong (EF2 or stronger) tornado a decade within 25 miles
Terrain
Flat to gentle, easy to build on.
Slopes average about 1%, about 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 1 mile (OpenStreetMap)
Check a Texas parcel, or plan the one you own
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A step-by-step build plan, sizing your solar, water, garden, septic, heat, and buildings.
Is it legal here?
Zoning
None. Texas counties cannot zone rural land, though septic, well, and floodplain rules still apply.
Building code
Texas state law applies the International Residential Code only inside city limits, so a house on unincorporated county land usually has no building code or permit. A county may opt in to require it, checked by an inspector the builder hires, but it cannot require approval before you build or charge a fee.
Rainwater
Collecting it is allowed.
Composting toilets
Allowed.
Water rights
A mix of two systems. Ask the state water office before you drill a well or dam a creek.
Depends on depth, which varies here. Get a driller's quote.
Septic
$5,000 to $10,000
Standard system
Solar and batteries
$20,000 to $35,000
Sized for a modest household
Road or driveway
$2,000 to $7,000
From the nearest road to a house site
Clearing
$1,000 to $3,000
A house site, solar, and garden
Total
$28,000 to $54,000
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 150 feet to 570 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.
Deed rules
Order a title search for deed restrictions.
With no county zoning, deed restrictions and subdivision rules decide what you can build.
Nearby counties
54,186 people live in Polk County, about 51.3 per square mile. It ranks tied for 53rd of the 254 Texas counties we scored, and Texas ranks 34th of 50 states.