House Prices

Affton Saint Louis, MO House Prices & Home Values 2026


Average Data

average house price$239,191
average size per house1586 ft²
average price per ft²160 $ / ft²

04/15/2026 - The value range (VR) for house prices in Affton Saint Louis, MO is $152/ sqft to $168/ sqft. An average home with 1586 sqft costs approximately $255,537 to $282,435. Saint Louis, MO includes 1 ZIP codes and it is located in St. Louis county. The lowest prices are found in ZIP 63123, while the highest are in ZIP 63123. The average price per sqare feet is $160. Our analysis is based on 15 property listings.

Avergage prices by ZIP codes Affton Saint Louis

63123156 $ / ft²




Historical development of home values in Affton Saint Louis

Year Estimated value (USD) Change vs. 2025
2010 $111,085 -53.6%
2011 $106,789 -55.4%
2012 $106,501 -55.5%
2013 $110,482 -53.8%
2014 $115,976 -51.5%
2015 $121,928 -49.0%
2016 $128,291 -46.4%
2017 $135,216 -43.5%
2018 $142,691 -40.3%
2019 $149,307 -37.6%
2020 $157,026 -34.4%
2021 $178,600 -25.3%
2022 $208,208 -13.0%
2023 $219,564 -8.2%
2024 $232,267 -2.9%
2025 $239,191 0.0%

Graph: estimated home values in Affton Saint Louis over time (USD)



Example: 100% financing house in Affton Saint Louis

Loan amount: $239,191

Interest rate: 6.36%

Fixed monthly payment: $1,489.89

Breakdown in the 1st month:
Interest portion: $1,267.71  –  Principal portion: $222.18

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $15,133.44 $2,745.30 $236,445.70
2 $14,953.66 $2,925.08 $233,520.62
3 $14,762.10 $3,116.64 $230,403.98
4 $14,558.00 $3,320.74 $227,083.25
5 $14,340.54 $3,538.20 $223,545.05
6 $14,108.83 $3,769.91 $219,775.14
7 $13,861.95 $4,016.79 $215,758.35
8 $13,598.90 $4,279.84 $211,478.52
9 $13,318.63 $4,560.11 $206,918.41
10 $13,020.00 $4,858.74 $202,059.67
11 $12,701.82 $5,176.92 $196,882.75
12 $12,362.79 $5,515.94 $191,366.81
13 $12,001.57 $5,877.17 $185,489.64
14 $11,616.69 $6,262.04 $179,227.60
15 $11,206.61 $6,672.13 $172,555.47
16 $10,769.67 $7,109.07 $165,446.40
17 $10,304.12 $7,574.62 $157,871.78
18 $9,808.08 $8,070.66 $149,801.13
19 $9,279.56 $8,599.18 $141,201.94
20 $8,716.42 $9,162.32 $132,039.63
21 $8,116.41 $9,762.33 $122,277.30
22 $7,477.10 $10,401.64 $111,875.66
23 $6,795.93 $11,082.81 $100,792.85
24 $6,070.15 $11,808.59 $88,984.26
25 $5,296.84 $12,581.90 $76,402.36
26 $4,472.88 $13,405.85 $62,996.50
27 $3,594.97 $14,283.76 $48,712.74
28 $2,659.57 $15,219.17 $33,493.58
29 $1,662.91 $16,215.82 $17,277.75
30 $600.99 $17,277.75 $0.00

Note: The calculation is based on a standard annuity mortgage with a fixed monthly payment over the entire term. Extra payments, interest rate changes, and additional purchase costs (e.g. taxes, notary fees) are not included.


How to sell in Affton Saint Louis, MO


1500 sqft3900 sqft
Ø selling price$307,825$654,826
Ø fast selling$279,841$589,344
Ø high price sale$335,808$720,309

In 2026, houses in Affton Saint Louis, MO will be offered at an average price of $160 per square foot. A 1,500 sqft home priced at $307,825 is 24.38% more expensive per square foot than a 3,900 sqft home priced at $654,826. Home prices in Affton Saint Louis, MO vary significantly depending on the property’s condition and exact location. For a quick sale, a 2,700 sqft home should be listed at around $453,341. Sellers who can wait longer may achieve a higher price of up to $554,084.

FAQ – Home Values in Affton Saint Louis

What is the median home value in Affton Saint Louis in 2026?

In 2026, the typical home value in Affton Saint Louis is about $239,191 for an average home size of 1586 square feet. This corresponds to an average price of roughly $160 per square foot.

What is the average cost per square foot in Affton Saint Louis?

In 2026, homes in Affton Saint Louis sell for an average of around $160 per square foot, with a typical range between $152 and $168 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in Affton?

The average home size in Affton Saint Louis is about 1586 square feet, with an estimated 2026 value around $239,191.



Neighborhoods close to Affton Saint Louis, MO

Baden Saint Louis, MO47 $ / ft²
WingHaven O Fallon, MO161 $ / ft²
Blue Valley Kansas City, MO97 $ / ft²
Normandy Saint Louis, MO82 $ / ft²
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