Active Listings
153
⇩ 7.3% vs 165 last year
Data as of September 2026. Source: Realtor.com.
The BALLWIN, MO real estate market (63021) currently shows 153 active listings, with 68 pending sales. Homes are averaging 44 days on the market before going under contract.
Inventory has tightened compared to last year, with 12 fewer active listings — creating more competition among buyers.
Homes are taking longer to sell, averaging 44 days on market compared to 27 days last year.
The median listing price has fallen 6% year-over-year, from $392,175 to $368,450.
Population: 55,944 · Density: 989.8/mi² · Median household income: $108,854
Typical home value: $308,999 · Homeownership: 79.3%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 63021 | Ballwin, MO 63021 | 0.0 mi | 119 | $63,680,232 | $432,950 | $535,128 |
| 63088 | Valley Park, MO 63088 | 2.8 mi | 22 | $6,017,352 | $228,225 | $273,516 |
| 63017 | Chesterfield, MO 63017 | 5.7 mi | 111 | $68,511,975 | $619,225 | $617,225 |
| 63131 | Saint Louis, MO 63131 | 6.4 mi | 53 | $97,980,305 | $1,642,129 | $1,848,685 |
| 63025 | Eureka, MO 63025 | 6.7 mi | 75 | $37,033,425 | $409,724 | $493,779 |
| 63038 | Wildwood, MO 63038 | 6.8 mi | 14 | $10,824,534 | $675,000 | $773,181 |
| 63005 | Chesterfield, MO 63005 | 7.6 mi | 62 | $80,812,536 | $1,143,725 | $1,303,428 |
| 63126 | Saint Louis, MO 63126 | 9.1 mi | 20 | $10,154,800 | $457,445 | $507,740 |
| 63124 | Saint Louis, MO 63124 | 10.1 mi | 21 | $48,193,950 | $1,922,500 | $2,294,950 |
| 63119 | Saint Louis, MO 63119 | 10.6 mi | 67 | $29,077,397 | $339,900 | $433,991 |
| 63069 | Pacific, MO 63069 | 11.6 mi | 47 | $20,052,738 | $293,150 | $426,654 |
| 63303 | Saint Charles, MO 63303 | 11.8 mi | 99 | $27,885,033 | $234,700 | $281,667 |
| 63123 | Saint Louis, MO 63123 | 11.9 mi | 110 | $30,591,990 | $262,000 | $278,109 |
As of September 2026, there are 153 active listings in BALLWIN, MO (zip code 63021), compared to 165 the prior year.
The median listing price in BALLWIN, MO 63021 is $368,450 as of September 2026, a 6% decrease from $392,175 the prior year.
Homes in BALLWIN, MO 63021 spend an average of 44 days on the market before going under contract, compared to 27 days the prior year.
Based on current inventory and days-on-market data as of September 2026, BALLWIN, MO 63021 is currently a Balanced Market. Inventory has tightened compared to last year, with 12 fewer active listings — creating more competition among buyers. Homes are taking longer to sell, averaging 44 days on market compared to 27 days last year.
With SELL123.com's maximum 3% commission, sellers in BALLWIN, MO 63021 save an estimated $7,369 compared to a typical 5% commission on the median listing price of $368,450. 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.