HUD Fair Market Rent by ZIP Code: What Real Estate Investors Need to Know

If you've ever wondered whether a landlord's rent estimate is realistic — or tried to verify an AirDNA income projection against something grounded in reality — HUD Fair Market Rents (FMRs) are one of the most valuable and underused datasets in real estate investing.

They're published by the U.S. Department of Housing and Urban Development every fiscal year. They're free. And most investors have never opened one.

Here's what you need to know.

What Is HUD Fair Market Rent?

Fair Market Rents are the 40th percentile gross rent estimates for standard-quality units in a given market area — meaning 40% of recent movers in a market pay at or below this amount. HUD uses them to set housing voucher payment standards under the Section 8 program, but the numbers have a lot of utility beyond subsidized housing.

FMRs are published for:

• Studio (0-bedroom) units
• 1-bedroom units
• 2-bedroom units
• 3-bedroom units
• 4-bedroom units

And critically, in many metros, HUD now publishes Small Area FMRs (SAFMRs) broken down to the ZIP code level — not just the metro. That's where investors can really get granular.

Why Investors Should Care

Here's a scenario that plays out constantly: an investor underwrites a rental property using a number from Mashvisor, Zillow Rent Zestimate, or AirDNA. The number looks good. The deal pencils. Then they close and discover the actual market rent is 15–20% lower.

HUD FMR data helps you sanity-check those projections. It doesn't represent what landlords want to charge — it represents what a large segment of renters in that ZIP code actually paid. That's an important distinction.

There are a few specific ways investors use FMR data:

1. Section 8 underwriting — If a property qualifies for housing vouchers, knowing the FMR tells you exactly what HUD will pay. Many investors specifically target properties at or below FMR because it means near-zero vacancy.
2. Market rent sanity checks — Comparing actual listed rents to FMR reveals whether a market is "hot" (rents above FMR), "at equilibrium," or "soft" (rents below FMR and trending down).
3. Opportunity Zone analysis — HUD cross-references FMR data with Opportunity Zone boundaries, which matters for certain tax-advantaged investment structures.
4. Cross-market comparisons — When evaluating multiple metros, FMR data lets you compare rental demand and affordability on a standardized, government-verified basis.

A Real Example: Austin-Round Rock-Georgetown, TX

Let's put real numbers to this. Here's what HUD and market data shows for the Austin metro as of FY2026, pulled directly from the Lotlytics API:

HUD Fair Market Rents (FY2026)

| Bedrooms | HUD Fair Market Rent | |----------|---------------------| | Studio (0BR) | $1,470/mo | | 1 Bedroom | $1,560/mo | | 2 Bedrooms | $1,850/mo | | 3 Bedrooms | $2,350/mo | | 4 Bedrooms | $2,760/mo |

These figures cover 87 ZIP codes in the Austin metro, including 23 Opportunity Zone ZIPs — useful to know if you're evaluating OZ-eligible investments.

How Austin's Market Rents Compare

The current market average rent for Austin sits at roughly $1,561/mo across all unit types (January 2026). That's effectively at parity with the 1BR FMR — suggesting the Austin rental market is neither overheated nor severely depressed at the median.

However, context matters. Austin rents peaked around $1,678/mo in mid-2024 and have been sliding since. That's a ~7% decline in 18 months. At the same time, months of supply is 5.8 (buyer-leaning market), and the sale-to-list ratio has compressed to 0.971 — meaning sellers are accepting about 97 cents on the dollar.

For an investor, this combination signals: acquisition opportunity, but don't underwrite on peak rents. The FMR benchmark of $1,560 for a 1BR is actually a more conservative and defensible number to use than many listed rents from 2023–2024.

Rental Yield Reality Check

Austin's current rental yield is 4.46% against a median home price of $419,518. At a 20% down payment, that translates to a rough mortgage payment around $2,095/mo on a 30-year fixed — which means you'd need a 2BR or larger to cashflow at today's rates (2BR FMR: $1,850, 3BR: $2,350).

That math is why some Austin markets that "worked" in 2021–2022 don't pencil as well today. The FMR data doesn't lie about what the demand floor is.

How to Look Up FMR Data for Any ZIP Code

The raw HUD data lives at huduser.gov and is published annually (usually late summer for the following fiscal year). You can download metro-level and Small Area FMR spreadsheets directly.

For Small Area FMRs specifically, HUD publishes ZIP-level breakdowns for designated metros. The Austin metro is one of the markets covered, which means you can get ZIP-specific FMR numbers — not just metro averages.

The catch: the raw files are cumbersome. HUD releases them as flat Excel files with hundreds of rows, and cross-referencing them against market data requires pulling from multiple sources.

Lotlytics aggregates HUD FMR data by city and ZIP alongside real market metrics — median prices, rental yield, cap rates, price trends, income migration, and climate risk — so you're not bouncing between five tabs. You can explore Austin, Nashville, Phoenix, Atlanta, or any major metro in a single dashboard.

👉 Explore HUD FMR data for your target market at Lotlytics →

What to Watch For in 2026

A few things to flag as you're using FMR data this year:

• FMR increases in Sun Belt metros — After years of rent growth, some metros are seeing FMR levels recalibrate downward as supply catches up. Austin is one example. Phoenix and Nashville are worth watching.
• Small Area FMR expansion — HUD has been expanding the ZIP-level SAFMR program. More markets will have granular ZIP data available going forward.
• Opportunity Zone intersections — With OZ program reauthorization in legislative discussion, knowing which ZIPs are OZ-designated (and their FMR) could be valuable for structuring deals with tax advantages.

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FMR data isn't a magic number — it's a floor-level benchmark with methodological limitations (it lags the market by 12–18 months, and metro averages can obscure neighborhood variation). But it's government-verified, annually updated, and far more defensible than a Zestimate or an AirDNA projection when you're sitting across from a lender.

Use it as one layer in your underwriting stack. Pair it with actual days-on-market trends, price history, and migration data to get a complete picture.

Start exploring HUD FMR and market data by ZIP at Lotlytics →