Data as of February 2026. Source: Realtor.com.
The O FALLON, MO real estate market (63366) currently shows 91 active listings, with 50 pending sales. Homes are averaging 34 days on the market before going under contract.
Inventory has tightened compared to last year, with 42 fewer active listings — creating more competition among buyers.
Homes are taking longer to sell, averaging 34 days on market compared to 21 days last year.
The median listing price has risen 5.2% year-over-year, from $387,450 to $407,500.
Whether you are buying or selling in O FALLON, MO, SELL123.com can help you save significantly on commission — typically 2% compared to traditional 5% broker fees. Call (240) SELL-123 for a free consultation.
Population: 52,746 · Density: 293.9/mi² · Median household income: $91,698
Typical home value: $262,117 · Homeownership: 80.9%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 63366 | O'Fallon, MO 63366 | 0.0 mi | 84 | $33,935,244 | $410,000 | $403,991 |
| 63376 | Saint Peters, MO 63376 | 6.9 mi | 140 | $46,913,860 | $334,900 | $335,099 |
| 63368 | O'Fallon, MO 63368 | 7.5 mi | 125 | $62,477,125 | $499,900 | $499,817 |
| 63385 | Wentzville, MO 63385 | 8.5 mi | 295 | $151,541,205 | $434,900 | $513,699 |
| 63362 | Moscow Mills, MO 63362 | 10.1 mi | 43 | $15,009,107 | $322,900 | $349,049 |
| 62013 | Brussels, IL 62013 | 11.0 mi | 1 | $160,000 | $160,000 | $160,000 |
| 63348 | Foristell, MO 63348 | 12.9 mi | 101 | $54,263,058 | $398,495 | $537,258 |
| 63301 | Saint Charles, MO 63301 | 13.3 mi | 117 | $48,603,555 | $400,900 | $415,415 |
| 63347 | Foley, MO 63347 | 14.8 mi | 4 | $1,013,068 | $249,900 | $253,267 |
| 63044 | Bridgeton, MO 63044 | 16.8 mi | 19 | $4,161,779 | $185,000 | $219,041 |
| 62037 | Grafton, IL 62037 | 17.1 mi | 14 | $7,550,634 | $330,000 | $539,331 |
| 63017 | Chesterfield, MO 63017 | 17.4 mi | 107 | $62,676,534 | $600,000 | $585,762 |
| 63390 | Wright City, MO 63390 | 17.7 mi | 73 | $34,139,034 | $336,900 | $467,658 |
As of February 2026, there are 91 active listings in O FALLON, MO (zip code 63366), compared to 133 the prior year.
The median listing price in O FALLON, MO 63366 is $407,500 as of February 2026, a 5.2% increase from $387,450 the prior year.
Homes in O FALLON, MO 63366 spend an average of 34 days on the market before going under contract, compared to 21 days the prior year.
Based on current inventory and days-on-market data as of February 2026, O FALLON, MO 63366 is currently a Balanced Market. Inventory has tightened compared to last year, with 42 fewer active listings — creating more competition among buyers. Homes are taking longer to sell, averaging 34 days on market compared to 21 days last year.
With SELL123.com's maximum 3% commission, sellers in O FALLON, MO 63366 save an estimated $8,150 compared to a typical 5% commission on the median listing price of $407,500. Our fee structure: 1% listing + 2% selling broker — no additional buyer or seller fees. Call (240) SELL-123 or email info@SELL123.com for a free consultation.