Yes, with two things to plan around. Texas counties cannot zone rural land, so there is no county zoning to clear. We found no public well records here, so price a test well early. 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 48 inches a year (PRISM, 1991 to 2020 average)
Wells
Well depth is unknown here. Ask the seller for the well log, or price a test well, before you offer.
No well depths in the public records for this area
Growing season
A full season for most vegetables.
About 239 frost-free days, USDA zone 8b; last frost about March 25, first about November 13
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 within a quarter mile in places
Wildfire
Low wildfire risk.
U.S. Forest Service wildfire hazard map: Very Low to 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 2 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 2%, about 370 feet above sea level
Soil
Expect a costlier septic system, because the soil stays wet for long stretches. The county's soil test decides.
Loam, somewhat 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 0.7 miles (OpenStreetMap)
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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.
Ask the seller for the well log, or look in the state's well records.
We found no public well records for this area.
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
10,735 people live in Franklin County, about 37.7 per square mile. It ranks 2nd of the 254 Texas counties we scored, and Texas ranks 34th of 50 states.