Rental Property Investing in St. Louis, MO

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The numbers

Median sale price

$159,900

Median monthly rent

$950

Rent / price

0.59%

Estimated cap rate

4.4%

Estimated monthly cash flow

-$265

Estimated cash-on-cash

-8.7%

Sale prices

falling

Rents

rising

County population change (5 yrs)

-6.4%

County unemployment

4.6%

Measured in ZIP 63111 on 2026-10-19. That’s one established investor neighborhood, not the whole city. The cash flow and cash-on-cash figures run the median price and rent through the calculator’s defaults (20% down, 7% interest, 30-year loan, a flat 1.1% property tax rate, standard vacancy, repairs and management), so they describe a typical house in that zip.

What to know about St. Louis

St. Louis city and St. Louis County are separate jurisdictions with different taxes, rules and housing stock, so check which side of the line a listing is on before you compare it to anything. Prices in the city are low, and many of the buildings are old brick.

Employers include Washington University, large hospital systems and a long list of corporate offices. The city has lost roughly 6 to 7% of its population in the last five years, one of the fastest declines of any large US city, and that's part of why prices are low. The wider metro has held steady because the suburbs have grown.

Landlord and tenant rules in Missouri

• Overall: balanced
• Security deposit limit: 2 months' rent
• Rent control: no statewide rent control
• Notice for unpaid rent: No statutory notice required before filing for nonpayment

General information only, not legal advice. Landlord-tenant law changes and varies by city/county within a state. Verify current rules with a local attorney or your state's housing authority before relying on this. More on this in tenant-friendly vs landlord-friendly states.

Check a real deal in St. Louis

Market medians point you at a city. Whether one house works depends on its own price, rent and repair needs, so paste them into the calculator, or read how cash-on-cash return and a good cap rate are worked out. If you’re buying from far away, the out-of-state guide covers property managers and remote closings.

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