3FS Rural Home
How to tell if an address is in a USDA eligible area
"Rural" is the word that scares people off USDA loans, and it should not. The definition is far more generous than it sounds.
What counts as rural
For USDA housing programs, an area generally qualifies if it is:
- open country, or
- a town of up to 20,000 people that is not inside a metropolitan statistical area, or
- a town of up to 35,000 people in some cases, including places that were eligible before and have been grandfathered in.
In practice, large parts of every state qualify, including the outer rings of most metros. Big chunks of exurban Georgia, Texas, Florida, the Carolinas and the Mountain West are eligible even though they are a normal commute from a city.
What the 3FS map tells you
When you search a place on 3FS Rural Home, the answer card shows one of three things:
- Outside any metro area. The ZIP sits outside every metropolitan statistical area. Very likely eligible.
- Rural county. The county is not part of a metro area in USDA's income table. Most of it qualifies; the largest town in the county may not.
- Metro area. The county is part of a metro. Outer parts often qualify, but the exact address has to be confirmed.
Turn on the "Rural counties" layer to see the pattern across the whole country, and the "Opportunity Zones" layer to see where rural eligibility overlaps with the 2018 Opportunity Zone tracts, which matters for builders and investors.
Confirm the exact address
The map is a guide. The decision for a specific house is made with USDA's own property eligibility site, which checks the address against the official boundary. Open eligibility.sc.egov.usda.gov, choose Single Family Housing, and enter the address. Lenders do this as part of every USDA file, so if you are working with one, ask them to run it before you make an offer.
Why 3FS does not just copy USDA's map
USDA's boundary data is the only official source, and it changes when new census data is applied. We show you the county type from USDA's own income table and point you to USDA's address check, rather than redraw the official line ourselves and risk telling you a house qualifies when it does not. When we add exact-address checks, they will come straight from USDA's data.
A quick rule of thumb
If a place feels like a small town or the edge of a suburb, check it. If your income is under the limit there, you may have found your zero-down home.
3FS Rural Home is a technology service by UnyKorn LLC. It is not USDA, not a lender and not a broker. Income limits come from USDA's FY2026 table (HB-1-3550 Appendix 9, PN 657, 07/13/2026) and can change. USDA or an approved lender makes every loan decision. This is general information, not financial or legal advice.