Data as of March 2026. Source: Realtor.com.
The CASTLEWOOD, SD real estate market (57223) currently shows 5 active listings, with 2 pending sales. Homes are averaging 68 days on the market before going under contract.
Inventory has increased compared to last year, with 3 more homes available — giving buyers more choice.
Homes are taking longer to sell, averaging 68 days on market compared to 24 days last year.
The median listing price has risen 32.3% year-over-year, from $324,900 to $429,900.
Whether you are buying or selling in CASTLEWOOD, SD, 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: 1,317 · Density: 4.1/mi² · Median household income: $83,295
Typical home value: $203,955 · Homeownership: 86.2%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 57223 | Castlewood, SD 57223 | 0.0 mi | 3 | $851,949 | $245,250 | $283,983 |
| 57241 | Hayti, SD 57241 | 10.4 mi | 3 | $958,350 | $319,450 | $319,450 |
| 57238 | Goodwin, SD 57238 | 13.3 mi | 1 | $434,900 | $434,900 | $434,900 |
| 57201 | Watertown, SD 57201 | 16.1 mi | 93 | $33,174,123 | $329,400 | $356,711 |
| 57218 | Brandt, SD 57218 | 20.4 mi | 1 | $480,000 | $480,000 | $480,000 |
| 57221 | Bryant, SD 57221 | 22.9 mi | 1 | $249,900 | $249,900 | $249,900 |
| 57237 | Gary, SD 57237 | 24.5 mi | 2 | $988,900 | $494,450 | $494,450 |
| 57276 | White, SD 57276 | 27.0 mi | 1 | $240,000 | $240,000 | $240,000 |
| 57259 | Revillo, SD 57259 | 29.3 mi | 1 | $183,900 | $183,900 | $183,900 |
| 57263 | South Shore, SD 57263 | 29.8 mi | 1 | $169,900 | $169,900 | $169,900 |
| 56136 | Hendricks, MN 56136 | 32.4 mi | 4 | $843,268 | $124,450 | $210,817 |
| 57278 | Willow Lake, SD 57278 | 33.6 mi | 1 | $239,000 | $239,000 | $239,000 |
| 57231 | De Smet, SD 57231 | 36.7 mi | 7 | $2,288,636 | $324,900 | $326,948 |
As of March 2026, there are 5 active listings in CASTLEWOOD, SD (zip code 57223), compared to 2 the prior year.
The median listing price in CASTLEWOOD, SD 57223 is $429,900 as of March 2026, a 32.3% increase from $324,900 the prior year.
Homes in CASTLEWOOD, SD 57223 spend an average of 68 days on the market before going under contract, compared to 24 days the prior year.
Based on current inventory and days-on-market data as of March 2026, CASTLEWOOD, SD 57223 is currently a Buyer's Market. Inventory has increased compared to last year, with 3 more homes available — giving buyers more choice. Homes are taking longer to sell, averaging 68 days on market compared to 24 days last year.
With SELL123.com's maximum 3% commission, sellers in CASTLEWOOD, SD 57223 save an estimated $8,598 compared to a typical 5% commission on the median listing price of $429,900. 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.