Castlewood SD
19 active listings out of 641 total properties we track across 5 Castlewood ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
While you're here, take in the bigger picture — maps below show South Dakota (statewide), not just Castlewood. Same company, same dataset, different resolution.
Inventory breakdown
Distribution of the 19 currently-active listings in Castlewood, SD. Full dataset covers 641 properties — listings, off-market homes, rentals, and full history.
ZIP codes in Castlewood
Drill into any ZIP for hex-level breakdowns.
Nearby cities
Other South Dakota cities within driving distance.
Get Castlewood, SD data in your app
GET https://api.straply.com/v1/markets/city/castlewood-sd
Authorization: Bearer $STRAPLY_KEY{
"city": "castlewood-sd",
"total_tracked": 641,
"active": 19,
"median_list": 359000
}Castlewood, SD real estate: market summary
As of November 2026, Straply tracks 641 homes in Castlewood, SD, with 19 active for sale at a median list price of $359,000 (~$412/sq ft). Notably, it has notably historic housing — 39% of homes predate 1940.
- Median list price
- $359,000
- Median $/sq ft
- $412
- Active listings
- 19
- Properties tracked
- 641
Frequently asked: Castlewood, SD real estate
What is the median home price in Castlewood?
The median list price in Castlewood, SD is $359,000 (about $412 per square foot), based on 19 active listings tracked by Straply as of November 2026.
What price range are homes in Castlewood?
Active listings in Castlewood, SD concentrate in: 53% $300k–$500k and 21% under $300k.
How many homes are for sale in Castlewood?
Straply is tracking 19 active listings in Castlewood, SD out of 641 properties on record as of November 2026.
How old are the homes in Castlewood?
Most homes in Castlewood, SD were built in the 2000s. About 35% were built after 1980, while 39% predate 1940. The newest tracked home dates to 2025.
What types of homes are in Castlewood?
Castlewood, SD is mostly single-family homes (100% of listings).
How many bedrooms do homes in Castlewood typically have?
The most common size in Castlewood, SD is 3 bd.
What areas are near Castlewood?
Nearby markets Straply also tracks include Estelline, Lake Norden, Watertown, Clear Lake.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.