Real Estate Data API

O'Fallon MO

389 active listings out of 35K total properties we track across 22 O'Fallon ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
389
Median
$415K
±0%
Sold/mo
39
-40.9%
Tracked
35K
Zoomed out

While you're here, take in the bigger picture — maps below show Missouri (statewide), not just O'Fallon. Same company, same dataset, different resolution.

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Inventory breakdown

Distribution of the 389 currently-active listings in O'Fallon, MO. Full dataset covers 35K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 78 (20.5%)
$300K–$500K 197 (51.8%)
$500K–$750K 87 (22.9%)
$750K–$1M 10 (2.6%)
$1M–$2M 7 (1.8%)
$2M+ 1 (0.3%)
Active by bedroom count
Studio/1 bd 12
2 bd 86
3 bd 167
4 bd 104
5+ bd 17
Active by property type
Single Family 331 (85.1%)
Condo 22 (5.7%)
Townhouse 22 (5.7%)
Manufactured 10 (2.6%)
Lot 3 (0.8%)
Multi Family 1 (0.3%)

ZIP codes in O'Fallon

Drill into any ZIP for hex-level breakdowns.

63366
→
Active
185
Tracked
21K
63368
→
Active
156
Tracked
13K
65470
→
Active
16
Tracked
722
63376
→
Active
6
Tracked
242
63367
→
Active
11
Tracked
146
63385
→
Active
14
Tracked
110
63304
→
Active
0
Tracked
8
65536
→
Active
0
Tracked
3
65202
→
Active
0
Tracked
2
65543
→
Active
0
Tracked
2
63301
→
Active
0
Tracked
2
63303
→
Active
0
Tracked
2

Nearby cities

Other Missouri cities within driving distance.

Dardenne Prairie
1.7 mi away
Active: 75
Lake Saint Louis
2.1 mi away
Active: 210
COTTLEVILLE
5.5 mi away
Active: 28
Wentzville
6.5 mi away
Active: 542
Weldon Spring
6.7 mi away
Active: 26
Defiance
7.1 mi away
Active: 33
Saint Peters
7.3 mi away
Active: 237
Peters
7.5 mi away
Active: 4
For Developers

Get O'Fallon, MO data in your app

curl
request 
GET https://api.straply.com/v1/markets/city/o-fallon-mo
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "city": "o-fallon-mo",
  "total_tracked": 35013,
  "active": 389,
  "median_list": 415400
}
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O'Fallon, MO real estate: market summary

As of April 2026, Straply tracks 35,013 homes in O'Fallon, MO, with 389 active for sale at a median list price of $415,400 (~$198/sq ft). Notably, most homes were built in the 2000s.

Median list price
$415,400
Median $/sq ft
$198
Active listings
389
Properties tracked
35,013

Frequently asked: O'Fallon, MO real estate

What is the median home price in O'Fallon?

The median list price in O'Fallon, MO is $415,400 (about $198 per square foot), based on 389 active listings tracked by Straply as of April 2026.

What price range are homes in O'Fallon?

Active listings in O'Fallon, MO concentrate in: 52% $300k–$500k and 23% $500k–$750k.

How many homes are for sale in O'Fallon?

Straply is tracking 389 active listings in O'Fallon, MO out of 35,013 properties on record as of April 2026.

How old are the homes in O'Fallon?

Most homes in O'Fallon, MO were built in the 2000s. About 87% were built after 1980. The newest tracked home dates to 2026.

What types of homes are in O'Fallon?

O'Fallon, MO is mostly single-family homes (85% of listings). Also common: condos 6%, townhouses 6%.

How many bedrooms do homes in O'Fallon typically have?

The most common size in O'Fallon, MO is 3 bd.

What are the most active ZIP codes in O'Fallon?

The ZIP codes with the most active listings in O'Fallon, MO are 63366, 63368, 65470, 63376, 63367.

What areas are near O'Fallon?

Nearby markets Straply also tracks include Dardenne Prairie, Lake Saint Louis, COTTLEVILLE, Wentzville.

Data as of April 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.