USDA Loans: Who Qualifies and How to Apply

USDA loans are the most underused zero-down mortgage in the country. The eligibility map covers about 97% of U.S. land area and roughly 30% of the population — including suburbs and exurbs that most buyers wouldn’t describe as “rural.” If your target home is in an eligible zone and your income fits the limit, the USDA program quietly beats FHA on cost. Here’s the full picture.

What a USDA loan actually is

The USDA Rural Development office runs two homebuying programs. The one most people mean by “USDA loan” is the Section 502 Guaranteed Loan — a 30-year fixed-rate mortgage made by a private lender and guaranteed by the USDA against default, similar in structure to how the VA works. The second is the Section 502 Direct Loan for very low-income borrowers, made directly by the USDA at subsidized rates. Most readers will be looking at the Guaranteed program.

The Section 502 Guaranteed Loan offers:

• 0% down payment (100% financing)
• 30-year fixed-rate term only — no ARMs, no 15-year
• Competitive rates, typically within 0.125% of conventional
• 1% upfront guarantee fee + 0.35% annual fee (much lower than FHA MIP)
• No maximum loan amount, but you must qualify based on income

Geographic eligibility — the surprising part

The official USDA eligibility map at eligibility.sc.egov.usda.gov is updated periodically and covers far more area than the word “rural” suggests. Examples of metro-adjacent zones currently eligible in 2026:

• Most of the Atlanta exurbs (Cherokee, Forsyth, Walton counties)
• Large portions of the outer Phoenix and Tucson rings
• Much of central Texas outside the Austin/San Antonio cores
• Big sections of the Carolinas, including coastal towns
• Most of the Pennsylvania and Ohio countryside, including Lehigh Valley

The rule of thumb: any town with a population under 35,000 that isn’t an immediate suburb of a major metro is likely eligible. Always check the specific address on the map before ruling it out — a zip code can have eligible and ineligible sides of the same street.

Income limits — the part that disqualifies more people

USDA loans are aimed at low-to-moderate-income borrowers. The Guaranteed Loan caps household income at 115% of the area median (AMI), based on county and household size. A couple of representative 2026 limits:

Critically, USDA counts all household income, not just the borrowers on the loan. If your roommate, adult child, or live-in parent earns money, it counts toward the limit. The upside: the USDA permits standard income deductions for dependents ($480 per child), child care, elderly/disabled members, and certain medical costs.

Property requirements

USDA homes must be:

• Owner-occupied primary residences. No second homes, no investment properties.
• Modest in size and amenities. The USDA used to enforce specific square-foot caps, but in practice today it leans on appraisers to flag “luxury” features. In-ground pools and barns over a certain size can disqualify a home in some districts.
• Structurally sound. The USDA appraisal includes a Minimum Property Requirements review similar to the VA — peeling paint, unsafe wiring, leaking roofs, and inoperative HVAC are all fail points.
• Single-family detached, townhome, condo (on approved list), or modular. Manufactured homes are eligible only if new from a USDA-approved dealer.

The fees: USDA vs FHA

USDA’s mortgage insurance equivalent is split into two pieces:

• Upfront guarantee fee of 1.00% of the loan amount (financed into the loan)
• Annual fee of 0.35% of the average outstanding balance, paid monthly

Compared to FHA, USDA wins on every line:

On a $300,000 loan over 30 years, the USDA’s 0.35% annual fee saves about $26,000 versus FHA’s 0.55% MIP — and the USDA borrower never needed the 3.5% down payment in the first place.

Worked example: $300,000 home, eligible area

Credit and DTI requirements

The USDA itself sets no minimum credit score, but most lenders impose a 640 floor on the Guaranteed program because that’s the cutoff for the USDA’s automated underwriting system (GUS). Below 640, the file goes to manual underwriting and the list of compensating factors gets longer.

DTI guidelines:

• 29% front-end (housing)
• 41% back-end (all monthly debt)
• Up to 32%/44% with strong compensating factors and 680+ credit

These are tighter than FHA or VA. Borrowers with significant student loan or auto debt sometimes find USDA harder to qualify for despite the lower payment, because the housing-only ratio rules them out.

The application process

1. Confirm the address is eligible on the USDA eligibility map.
2. Confirm household income is under the limit for your county and household size, after USDA-allowed deductions.
3. Find a lender that does USDA volume. Not all do. Ask how many they closed last year and how their GUS approval rate looks. Lenders inexperienced with USDA tend to generate avoidable conditions.
4. Get pre-approved. Same documentation as conventional — pay stubs, W-2s, two years of tax returns, asset statements.
5. Find a home, make an offer. Mention USDA financing in the contract.
6. Lender submits to GUS, then to the USDA office for a final commitment. The USDA review adds about a week vs conventional, so plan for 50–60 day closes.
7. Appraisal must be by a USDA-approved appraiser and includes the MPR review.
8. Close — funds wire, fee financed in.

Refinance options

USDA offers two refinance products:

• Streamlined Assist Refinance — no appraisal, no credit re-pull, no income verification beyond confirming you’re still under the limit. Available if you’ve held the loan 12+ months and are reducing rate by at least 1%. Closes in 3 weeks.
• Streamlined Refinance — slightly more underwriting, no appraisal in most cases.

USDA loans cannot do cash-out refinances. If you need cash from equity, you have to refinance into a conventional or FHA loan.

When USDA is the right call

• The home is in an eligible area (always check the map first)
• Household income fits comfortably under the 115% AMI cap
• You have 640+ credit and reasonable DTI
• You’re cash-tight on down payment and want the lowest monthly MI of any zero-down option

When to skip USDA

• You’re close to or over the income limit — get conventional or FHA pre-approval and skip the limit risk
• You’re a veteran — the VA program is usually better (no MI at all, no income cap)
• You want to buy in a major metro core — likely not eligible
• You want a 15-year term — USDA is 30-year only

Try the numbers

See what a USDA-eligible purchase looks like for your income and target area in our affordability calculator — the zero-down structure usually pushes maximum purchase price $20,000–$40,000 above what an FHA loan supports at the same monthly cost.

Still figuring out down-payment strategy across all loan types? Read how much down payment you actually need.