House Prices

House Prices & Home Values Lake Saint Louis, MO 2026


Average Data

average house price$508,654
average size per house3195 ft²
average price per ft²160 $ / ft²

04/15/2026 - The value range (VR) for house prices in Lake Saint Louis, MO is $142/ sqft to $142/ sqft. An average home with 3195 sqft costs approximately $453,690 to $453,690. Lake Saint Louis, MO includes 1 ZIP codes and it is located in St. Charles county. The lowest prices are found in ZIP 63367, while the highest are in ZIP 63367. The average price per sqare feet is $160. Our analysis is based on 16 property listings.

Avergage prices by ZIP codes Lake Saint Louis

63367149 $ / ft²




Historical development of home values in Lake Saint Louis

Year Estimated value (USD) Change vs. 2025
2010 $236,228 -53.6%
2011 $227,093 -55.4%
2012 $226,482 -55.5%
2013 $234,947 -53.8%
2014 $246,630 -51.5%
2015 $259,288 -49.0%
2016 $272,819 -46.4%
2017 $287,544 -43.5%
2018 $303,441 -40.3%
2019 $317,511 -37.6%
2020 $333,925 -34.4%
2021 $379,804 -25.3%
2022 $442,766 -13.0%
2023 $466,917 -8.2%
2024 $493,929 -2.9%
2025 $508,654 0.0%

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



Example: 100% financing house in Lake Saint Louis

Loan amount: $508,654

Interest rate: 6.00%

Fixed monthly payment: $3,049.64

Breakdown in the 1st month:
Interest portion: $2,543.27  –  Principal portion: $506.37

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $30,349.32 $6,246.33 $502,407.67
2 $29,964.06 $6,631.59 $495,776.08
3 $29,555.04 $7,040.61 $488,735.47
4 $29,120.79 $7,474.86 $481,260.60
5 $28,659.76 $7,935.90 $473,324.71
6 $28,170.29 $8,425.36 $464,899.34
7 $27,650.63 $8,945.02 $455,954.32
8 $27,098.92 $9,496.73 $446,457.59
9 $26,513.18 $10,082.47 $436,375.12
10 $25,891.32 $10,704.33 $425,670.79
11 $25,231.10 $11,364.55 $414,306.23
12 $24,530.16 $12,065.49 $402,240.74
13 $23,785.98 $12,809.67 $389,431.07
14 $22,995.91 $13,599.74 $375,831.33
15 $22,157.11 $14,438.54 $361,392.79
16 $21,266.57 $15,329.08 $346,063.71
17 $20,321.11 $16,274.54 $329,789.17
18 $19,317.33 $17,278.32 $312,510.84
19 $18,251.64 $18,344.01 $294,166.83
20 $17,120.22 $19,475.43 $274,691.40
21 $15,919.02 $20,676.63 $254,014.77
22 $14,643.73 $21,951.92 $232,062.85
23 $13,289.79 $23,305.87 $208,756.98
24 $11,852.33 $24,743.32 $184,013.66
25 $10,326.22 $26,269.44 $157,744.22
26 $8,705.97 $27,889.68 $129,854.54
27 $6,985.80 $29,609.85 $100,244.69
28 $5,159.53 $31,436.12 $68,808.57
29 $3,220.62 $33,375.03 $35,433.53
30 $1,162.12 $35,433.53 $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 Lake Saint Louis, MO


1500 sqft3900 sqft
Ø selling price$290,400$617,760
Ø fast selling$264,000$555,985
Ø high price sale$316,800$679,536

In 2026, houses in Lake Saint Louis, MO will be offered at an average price of $160 per square foot. A 1,500 sqft home priced at $290,400 is 23.99% more expensive per square foot than a 3,900 sqft home priced at $617,760. Home prices in Lake Saint Louis, MO vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $427,681. Sellers who can wait longer may achieve a higher price of up to $522,721.


Live the Lake Lifestyle in Lake Saint Louis, MO

Waterfront Lifestyle and Recreation

Lake Saint Louis, MO offers a premier suburban lifestyle anchored by two private lakes, scenic parks, and year-round outdoor recreation.
Residents enjoy boating, paddleboarding, and lakeside trails that showcase the community?s natural beauty in Saint Charles County. The Lake Saint Louis Community Association provides access to marinas, beaches, and sports facilities that elevate everyday living.

Community, Schools, and Convenience

Families are drawn to the area for its highly rated schools, quiet neighborhoods, and a friendly, small-town vibe close to metropolitan amenities. With quick access to I?64 and Route 364, commuters reach major employers in Chesterfield, O?Fallon, and greater Saint Louis with ease.
Shopping, healthcare, and daily conveniences cluster around The Meadows and nearby retail centers, adding walkable options to the mix.

Real Estate and Local Economy

The local real estate market features a mix of lakefront homes, modern subdivisions, and maintenance-free villas that suit a range of budgets. Homebuyers value strong property fundamentals, low crime, and community amenities that support long-term appeal and resale.

Events, Dining, and Things to Do

Popular events, from summer concerts to holiday boat parades, create a vibrant calendar that brings neighbors together. Dining spots, golf courses, and nearby wineries round out the lifestyle, making Lake Saint Louis, MO a standout destination to live, work, and play.



FAQ – Home Values in Lake Saint Louis

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

In 2026, the typical home value in Lake Saint Louis is about $508,654 for an average home size of 3195 square feet. This corresponds to an average price of roughly $160 per square foot.

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

In 2026, homes in Lake Saint Louis sell for an average of around $160 per square foot, with a typical range between $142 and $142 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in ?

The average home size in Lake Saint Louis is about 3195 square feet, with an estimated 2026 value around $508,654.



Locations close to Lake Saint Louis, MO

O Fallon, MO160 $ / ft²
Old Monroe, MO165 $ / ft²
Olney, MO145 $ / ft²
O Fallon, MO125 $ / ft²
New Florence, MO308 $ / ft²
Moscow Mills, MO162 $ / ft²




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