Homes for Sale Under 800K in O'fallon, MO

508 Homes for Sale

Sort by:Newest Listings

Don't miss out on new listings — and get instant email alerts!

Do Real Estate on the Go!

Find your dream home, receive real-time updates, and many more!

OPEN APP

O'fallon, MO Housing Market Overview

O'fallon is moving fast, and is a seller's market. Just 1.5 months of supply and 11 days on the market mean less competition for buyers and more leverage for you.

Status

Seller's Market

Days on Market

11

Inventory

508

Aug 2021Mar 2024Mar 2026

Median Home Price

$385,000Up 0.07%

In Mar 2026 · YoY

Aug 2021Mar 2024Mar 2026

Mortgage Rates 30-Yr Fixed

6.23%Down 0.58%

Current rate · YoY

Loan Type

30-Year Fixed

Housing Supply

Homes For Sale
508 Up 0.13%
Newly Listed Homes
120 Up 0.19%
Months of Supply
1.5 Up 0.40%

Housing Demand

Homes Sold
68 Down 0.00%
Sale-to-List Ratio
100.4% Down 0.33%
Homes Sold Above List
44.1% Down 0.33%

30-yr fixed rate 6.23% · Data as of Mar 2026 · Source: Houzeo Research.

View Full O'fallon Market Report
  • mls-imgIDX Logo
    Based on information from Mid America Regional Information Systems, Inc. through Sep 21, 2026, 3:01 AM. 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. Some IDX listings have been excluded from this website. Properties displayed may be listed or sold by various participants in the MLS. Property data presented reflect information otherwise available from public records. The REALTOR® providing this information may not have represented the buyer or seller in some or all of the transactions.
    IDX information is provided exclusively for consumers’ personal noncommercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, that the data is deemed reliable but is not guaranteed by MLS GRID, and that the use of the MLS GRID Data may be subject to an end user license agreement prescribed by the Member Participant’s applicable MLS if any and as amended from time to time. © 2026 Mid America Regional Information Systems, Inc. All Rights Reserved.

Homes for Sale by State

Homes For Sale Near MeAlaska Homes For SaleAlabama Homes For SaleArkansas Homes For SaleArizona Homes For SaleCalifornia Homes For SaleColorado Homes For SaleConnecticut Homes For SaleDistrict of Columbia Homes For SaleDelaware Homes For SaleFlorida Homes For SaleGeorgia Homes For SaleIowa Homes For SaleIdaho Homes For Sale
Illinois Homes For SaleKansas Homes For SaleIndiana Homes For SaleKentucky Homes For SaleLouisiana Homes For SaleMassachusetts Homes For SaleMaryland Homes For SaleMichigan Homes For SaleMinnesota Homes For SaleMissouri Homes For SaleMississippi Homes For SaleMontana Homes For SaleNorth Carolina Homes For SaleNorth Dakota Homes For SaleNew Hampshire Homes For Sale
New Jersey Homes For SaleNew Mexico Homes For SaleNevada Homes For SaleNew York Homes For SaleOhio Homes For SaleOklahoma Homes For SalePennsylvania Homes For SaleRhode Island Homes For SaleSouth Carolina Homes For SaleTennessee Homes For SaleTexas Homes For SaleVirginia Homes For SaleVermont Homes For SaleWashington Homes For SaleWisconsin Homes For Sale
PricingFlat Fee MLSFAQSeller GuideHow Houzeo Works?ReviewsAbout UsBlogContact UsTerms of UsePrivacy PolicyFair Housing PolicyCookie PreferencesConsent to Contact ConsumerRefund and Cancellation PolicyMLS DisclaimersEditorial Guidelines

Houzeo Corp. holds real estate brokerage licenses in Alabama (License No. 000157023 - 0) and Texas (License No. 9013396)

TREC: Info About Brokerage Services, Consumer Protection Notice.

§ 442‑H New York Standard Operating Procedure.

New York State Fair Housing Notice.

Click to see all homes
static map image
Satellite
O'fallon, MO Housing Marketlink qauare
Homes Available icon

508

Homes Available

Median List Price icon

$ 385,000

Median List Price

Avg on Market icon

11 Days

Avg on Market

Close IconHouzeo

Do Real Estate on the Go!

OPEN APP
For Sale
Price
Beds & Baths
Home Type
Filters
Save Search Share