Real Estate Data API

63366 O'fallon

496 active listings out of 22K total properties we track in ZIP 63366 (O'fallon, MO) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
496
Median
$392K
±0%
Sold Sep
53
+51.4%
Tracked
22K
Zoomed out

While you're here, take in the bigger picture — maps below show Missouri (statewide), not just 63366. Same company, same dataset, different resolution.

Get this data →
Key Numbers
Tracked
22K
Active
496
Median list
$392K
Sales (12mo)
537
Get this data →
Key Numbers
Tracked
22K
Active
496
Median list
$392K
Sales (12mo)
537
Get this data →
Key Numbers
Tracked
22K
Active
496
Median list
$392K
Sales (12mo)
537
Get this data →
Key Numbers
Tracked
22K
Active
496
Median list
$392K
Sales (12mo)
537
Get this data →
Key Numbers
Tracked
22K
Active
496
Median list
$392K
Sales (12mo)
537

Inventory breakdown

Distribution of the 496 currently-active listings in ZIP 63366. Full dataset covers 22K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 141 (29.6%)
$300K–$500K 239 (50.1%)
$500K–$750K 74 (15.5%)
$750K–$1M 11 (2.3%)
$1M–$2M 6 (1.3%)
$2M+ 6 (1.3%)
Active by bedroom count
Studio/1 bd 41
2 bd 107
3 bd 229
4 bd 95
5+ bd 22
Active by property type
Single Family 386 (77.8%)
Lot 35 (7.1%)
Condo 27 (5.4%)
Other 18 (3.6%)
Manufactured 16 (3.2%)
Townhouse 10 (2%)
For Developers

Get O'fallon 63366 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/63366
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "63366",
  "total_tracked": 22285,
  "active": 496,
  "median_list": 392040
}
Get an API key Read the docs

Nearby ZIP codes

Other Missouri ZIPs within a short drive of 63366.

63368
→
O'fallon 63368
4.2 mi away 284 active
63367
→
Lake Saint Louis 63367
4.9 mi away 376 active
63376
→
Saint Peters 63376
5.8 mi away 486 active
63304
→
Saint Charles 63304
7.6 mi away 368 active
63385
→
Wentzville 63385
7.9 mi away 965 active
63369
→
Old Monroe 63369
9.4 mi away 46 active
63303
→
Saint Charles 63303
10.4 mi away 351 active
63341
→
Defiance 63341
11 mi away 94 active
Looking for more? Explore O'fallon

ZIP 63366 · O'fallon, MO real estate: market summary

As of November 2026, Straply tracks 22,285 homes in ZIP 63366 (O'fallon, MO), with 496 active for sale at a median list price of $392,040 (~$205/sq ft). Notably, most homes were built in the 2000s.

Median list price
$392,040
Median $/sq ft
$205
Active listings
496
Properties tracked
22,285

Frequently asked: ZIP 63366 · O'fallon, MO real estate

What is the median home price in ZIP 63366?

The median list price in ZIP 63366 (O'fallon, MO) is $392,040 (about $205 per square foot), based on 496 active listings tracked by Straply as of November 2026.

What price range are homes in ZIP 63366?

Active listings in ZIP 63366 (O'fallon, MO) concentrate in: 50% $300k–$500k and 30% under $300k.

How many homes are for sale in ZIP 63366?

Straply is tracking 496 active listings in ZIP 63366 (O'fallon, MO) out of 22,285 properties on record as of November 2026.

How old are the homes in ZIP 63366?

Most homes in ZIP 63366 (O'fallon, MO) were built in the 2000s. About 81% were built after 1980. The newest tracked home dates to 2026.

What types of homes are in ZIP 63366?

ZIP 63366 (O'fallon, MO) is mostly single-family homes (78% of listings). Also common: lots / land 7%, condos 5%.

How many bedrooms do homes in ZIP 63366 typically have?

The most common size in ZIP 63366 (O'fallon, MO) is 3 bd.

What areas are near ZIP 63366?

Nearby markets Straply also tracks include O'fallon 63368, Lake Saint Louis 63367, Saint Peters 63376, Saint Charles 63304.

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