Area guidesSt. Charles County

Lake St. Louis

Lake St. Louis is a city in western St. Charles County built around two private lakes, planned as a resort community from 1961 and renamed Lake Saint Louis by voters in 1977.

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Median sale price

$401K

3 months ending Jun 2026

Compared with last year

-8.9%

median price

Median days on market

was 23 a year ago

Homes sold in June

was 93 a year ago

The market right now

Lake St. Louis home values and how fast homes sell.

Steady23 days, median

SlowerFaster

Homes here are selling at a steady pace. Price and presentation decide how long yours takes.

I'll show you the recent sales closest to your home and what you could walk away with, in writing.

Figures: Redfin, 3 months ending Jun 2026, retrieved September 2026. Medians describe the whole market, not any one home. They are not a prediction.

Compare nearbyDardenne Prairie$558K Wentzville$389K O'Fallon$395K St. Peters$325K

Before you buy or sell

Worth knowing in Lake St. Louis.

Rules change. Confirm with the city before you rely on them.

Inspection at sale

The Community Association charges annual assessment fees plus separate boat and dock rental fees, and publishes a 2026 assessment insert and an amenity fee schedule. Its Covenants and Restrictions and Bylaws are linked on the same page.

Lake Saint Louis Community Association

Exterior projects: the LSLCA Architectural Control Committee says most projects need approval from both the committee and the City of Lake St. Louis Architectural Review Board. Lakefront projects need an additional Lakefront Project Approval Form.

Lake Saint Louis Community Association

Boats: the Association publishes Lakes & Parks Master Rules and Regulations and an approved boat list for Class 6 and 8 boats. Its Water Patrol runs a boater safety course.

Lake Saint Louis Community Association

Docks and slips: the Association handles boat and dock renewals and keeps a dock and slip waiting list.

Lake Saint Louis Community Association

Homes and streets in Lake St. Louis, Missouri

What it's built like, and how you get around.

The homes

The community was planned as a private resort starting in January 1961. St. Charles County approved the preliminary plan in April 1967 and the first residents moved in in January 1968.
Lake Saint Louis Community Association
A court granted incorporation as the Town of Harbor Town in June 1975, and voters renamed it Lake Saint Louis in 1977.
Lake Saint Louis Community Association
The two lakes are private and owned by the Lake St. Louis Community Association, which is funded by assessments on member property. Newer developments were not automatically given membership, so not every address in the city has lake access.
Wikipedia

Getting around

The city sits between Interstate 70 and Interstate 64 in western St. Charles County.
Wikipedia

Parks and places.

Scroll sideways

Lake Saint Louis, the large lake

The larger of the two lakes, roughly 600 acres. Its dam was built from 1968 to 1972.

Lake Saint Louis Community Association

Lake Sainte Louise, the small lake

The smaller lake. The Association lists it at 85 acres on its history page and 75 acres on its new resident page, and says it was open by 1969.

Lake Saint Louis Community Association

LSLCA clubhouse and amenities

The Community Association runs a nine-hole golf course, tennis and pickleball courts, swimming and wading pools, a fitness center, and a lakeside restaurant and bar at its clubhouse, 100 Cognac Ct.

Lake Saint Louis Community Association

Schools

Public school districts serving Lake St. Louis.

Wentzville School District

District lines don't always follow city lines. Confirm the district for a specific address with the district itself. For school data, see the state's Missouri school report cards.

Questions about Lake St. Louis.

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Official Lake St. Louis website

What is the median home price in Lake St. Louis, MO in 2026?

The median sale price in Lake St. Louis was $401K for the three months ending Jun 2026, down 8.9% from a year earlier. Homes sold in a median of 23 days. Source: Redfin MLS-based data, retrieved September 2026.

Which public school district serves Lake St. Louis?

Lake St. Louis addresses are served by Wentzville School District. District lines don't always follow city lines, so confirm the district for a specific address before you make an offer.