Gateway Realty Group
Aerial view of Lake St. Louis, Missouri at sunset

One-Story Homes for Sale in Lake St. Louis, MO

Everything here lives on one level. This is one of the few things buyers filter hard on that most listing portals handle badly, and the MLS records it reliably: the level count is populated on about 97% of listings.

Listings Shown
59
Median List Price
$448,474
Avg Price / Sqft
$208
Range
$105K–$771K

Homes for sale in One-Story Homes in Lake St. Louis

Lake access here is not automatic

Lake St. Louis is named for its lakes, and this is the single most misunderstood thing about buying here: living inside the city limits does not by itself give you access to them. The lakes, the marina, the clubhouse, the beaches and the pools belong to the Lake St. Louis Community Association, and access comes with CA membership, which attaches to the property. Large parts of the city sit outside the CA entirely.

So whether a given address carries lake rights is something to confirm on that specific home, not something to infer from the city or from a subdivision name. We check it on every home we show.

Buying in Lake St. Louis?

We represent buyers here every week. That means a straight answer on what a home is actually worth, early word on what is about to come up, and somebody negotiating for you instead of for the seller.

Aerial view of the main marina on Lake Saint Louis, Missouri

What is Lake St. Louis actually like to live in?

This page is the inventory. Our guide to living in Lake St. Louis is the other half: it covers the community, the amenities, commute times and what daily life is actually like here.

We filmed it, we sell in it, and we wrote it down.

Read the guide

Can't find what you're looking for?

We hear about homes before they hit the market, and we show plenty that are never advertised at all. If nothing above is right, tell us what you want and we will bring you options that are not on this page.

One-Story Homes in Lake St. Louis, by the numbers

One-story homes for sale in Lake St. Louis carry a median list price of $448,474 and run roughly $208 per square foot. The typical listing goes under contract in about 36 days. Asking prices run from $105,000 to $770,990.

Where the prices sit

Of what is active today, 18% under $300,000, 39% $300,000 to $500,000, 39% $500,000 to $750,000 and 3% above $750,000. About 76% are single-family houses; the rest are condos, villas or townhomes. The median year built is 2001.

Where the listings actually are

A handful of subdivisions account for much of the current inventory, and the spread between them is wide enough that a single median for Lake St. Louis is not a useful number on its own:

Schools

Every one of these listings is in the Wentzville R-IV school district, which simplifies one decision that complicates house hunting almost everywhere else in the region. Confirm the assigned elementary and middle schools address by address rather than by subdivision, since attendance boundaries move.

Based on information from Mid America Regional Information Systems, Inc. for the period September 21, 2026 through September 21, 2026.

What CA membership does to price

A home outside the CA can be minutes from the water, look identical to one inside it, and cost less for reasons a buyer misreads as a bargain. Most of Lake St. Louis is not on the water, and the homes that are trade against a different set of comparables, so a single citywide median tells you very little about what any particular house should cost.

Confirm CA status, the dues that come with it, and the specific lake rights attached to the property before you write an offer. Two houses on the same street can differ on all three.

What a firm budget actually buys

Below about $300,000 you are mostly looking at condos and villas rather than detached houses, so buyers with a hard ceiling under that number should expect an attached home or a longer search. Above roughly $700,000 the market thins quickly and the homes that do trade there are disproportionately on the water, which is another way of saying the CA question above becomes the whole negotiation.

Thinking about the area itself?

This page is about what is for sale. If you are still deciding whether Lake St. Louis is the right place for you, our guide to living in Lake St. Louis covers the community, the amenities, commute times and what daily life is actually like here. To see everything for sale here rather than just one-story homes, go to all homes for sale in Lake St. Louis.

Keep looking

St. Louis County guides

St. Charles County guides

Homes for sale

St. Louis City guides

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Lake St. Louis by feature

MLS GRIDMARIS MLS

Listings courtesy of MARIS as distributed by MLS GRID

Some IDX listings have been excluded from this website.

Based on information submitted to the MLS GRID as of September 21, 2026 at 12:40 PM CDT. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

IDX information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Any other use or search of this data, including by anyone other than a consumer looking to purchase real estate, is prohibited. Data is deemed reliable but is not guaranteed by MLS GRID.