Homes Under $400K in Lake St. Louis, MO

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24 of 34 Listings

Your local team in Lake St Louis

Holly Gerchen

Holly Gerchen Group brokered by Epique Realty

Lic. #Broker Associate

Call Holly

Lisa McLaughlin

Delmar Mortgage

NMLS #283815

Call Lisa

99Active
$355,000
3 bd · 3 ba · 1,760 sqft
513 Parkgate Drive, Lake St Louis, MO
Neveen Ayesh · Levant Realty Group
Open house Fri, Oct 16 · 3:00 PM31Active
$299,000
4 bd · 3 ba · 1,800 sqft
81 Schooner Lane Unit 1, Lake St Louis, MO
Tammy Campbell · Lux Properties
41Active
$335,000
3 bd · 3 ba · 2,045 sqft
17 Savoy Drive, Lake St Louis, MO
Suzanne Matyiko · ReeceNichols Real Estate

Listing data & MLS disclosures

MARIS MLS: Based on information submitted to the MLS GRID as of 2026-10-14 04:04:38 UTC. 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.

About Homes Under $400K in Lake St. Louis, MO

Homes Under $400K in Lake St. Louis, MO: 34 active listings as of October 14, 2026, 05:38 UTC.

Property types among these 34 listings, by the property type each listing’s MLS reports, spelled as the MLS spells it. Types with fewer than 5 listings, and listings whose MLS reports no type, are not shown, so the shares can total less than 100%.
Property type	Listings	Share
Single Family Residence	12	35.3%
Townhouse	12	35.3%
Condominium	9	26.5%

Lake St. Louis housing market

August 2026 · This period is still settling

Selling at 98.4% of asking price

Buyers here are paying below asking. MLS · 18 sales · as of Aug 31, 2026

Homes on the market · MLS, as of Aug 31, 2026

Median list price: $457,049
Homes for sale: 71
Median days on market: 20 days

Price trend · Assessor repeat sales, as of Aug 31, 2026

Year-over-year: -42.4%

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Jul 29, 2026

Median home size: 2,536 sq. ft.

Lake St. Louis, MO community profile

Population: 17,495
Median income: $115,385
Housing units: 7,619
People per sq. mi.: 1,861.2
Area: 9.4 sq. mi.

Source: HJN community data

Homes Under $400K in Lake St. Louis, MO

Your local team in Lake St Louis

Listing data & MLS disclosures

About Homes Under $400K in Lake St. Louis, MO

Lake St. Louis housing market

Homes on the market · MLS, as of Aug 31, 2026

Price trend · Assessor repeat sales, as of Aug 31, 2026

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Jul 29, 2026

Lake St. Louis, MO community profile

Explore Lake St Louis homes

Listing data & MLS disclosures

Your local team in Lake St Louis

Your local team in Lake St Louis

Lake St. Louis housing market

Homes on the market · MLS, as of Aug 31, 2026

Price trend · Assessor repeat sales, as of Aug 31, 2026

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Jul 29, 2026

Lake St. Louis, MO community profile