Market Summary
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Median Home Price Price
Median Monthly Rent Rent
GRM
GRM = Median Home Price divided by annual rent.
Price = Median Home Price.
Rent = Median Monthly Rent.
Affton, Saint Louis County, MO is a city market with a median home price of $230,882, a median monthly rent of $1,199, a GRM of 16.0x, and a price-to-rent ratio of 16.0.
Use these related city markets as a starting point for side-by-side review of price, rent, GRM, and recent trend context.
Compare nearby and out-of-state comps before deciding whether this market is truly distinctive.
Similar markets within Saint Louis County
Similar markets within MO outside of Saint Louis County
Similar markets outside of MO
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Median Rent in Affton, MO is $1,199, with MoM change +$9 and YoY change +$56 pointing to positive momentum while volatility is low (std $12).
Search a market to benchmark rent, price, YoY, and price-to-rent against Affton, MO.
TwinMarket currently shows a median home price of $230,882 for Affton, Saint Louis County, MO.
The current TwinMarket market snapshot lists median monthly rent at $1,199 in Affton, Saint Louis County, MO.
TwinMarket currently shows a GRM of 16.0x in Affton, Saint Louis County, MO. Use it alongside price, rent, and trend direction rather than as a standalone buy signal.
Comparable markets currently surfaced on TwinMarket for Affton, Saint Louis County, MO include Valley Park, Saint Louis County, MO, Marlborough, Saint Louis County, MO, Bridgeton, Saint Louis County, MO. Open those pages to compare price, rent, GRM, and recent trend context side by side.
The market data shown on this page was last updated on April 8, 2026.