Active Listings
9
⇧ 80% vs 5 last year
Population: 947 · Density: 8.3/mi² · Median household income: $98,393
Typical home value: $450,247 · Homeownership: 84.1%
Data as of January 2026. Source: Realtor.com.
The KEYSTONE, SD real estate market (57751) currently shows 9 active listings, with 3 pending sales. Homes are averaging 78 days on the market before going under contract.
Inventory has increased compared to last year, with 4 more homes available — giving buyers more choice.
Homes are selling faster, averaging 78 days on market compared to 154 days last year.
The median listing price has fallen 28.2% year-over-year, from $800,000 to $574,500.
Whether you are buying or selling in KEYSTONE, 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.
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 57751 | Keystone, SD 57751 | 0.0 mi | 9 | $6,499,197 | $574,500 | $722,133 |
| 57730 | Custer, SD 57730 | 14.5 mi | 40 | $34,624,960 | $662,000 | $865,624 |
| 57745 | Hill City, SD 57745 | 20.6 mi | 9 | $8,610,210 | $832,500 | $956,690 |
| 57703 | Rapid City, SD 57703 | 21.0 mi | 119 | $50,940,687 | $388,400 | $428,073 |
| 57759 | Nemo, SD 57759 | 25.2 mi | 3 | $2,264,250 | $785,000 | $754,750 |
| 57732 | Deadwood, SD 57732 | 27.8 mi | 27 | $18,633,240 | $487,500 | $690,120 |
| 57719 | Box Elder, SD 57719 | 33.2 mi | 81 | $31,967,865 | $369,900 | $394,665 |
| 57754 | Lead, SD 57754 | 35.2 mi | 112 | $143,588,704 | $999,000 | $1,282,042 |
| 82715 | Four Corners, WY 82715 | 38.8 mi | 3 | $4,074,000 | $1,200,000 | $1,358,000 |
| 57761 | New Underwood, SD 57761 | 40.9 mi | 1 | $235,000 | $235,000 | $235,000 |
| 57793 | Whitewood, SD 57793 | 45.6 mi | 14 | $9,932,034 | $525,000 | $709,431 |
| 82723 | Osage, WY 82723 | 50.4 mi | 1 | $329,900 | $329,900 | $329,900 |
| 57788 | Vale, SD 57788 | 52.9 mi | 4 | $2,926,400 | $899,900 | $731,600 |
As of January 2026, there are 9 active listings in KEYSTONE, SD (zip code 57751), compared to 5 the prior year.
The median listing price in KEYSTONE, SD 57751 is $574,500 as of January 2026, a 28.2% decrease from $800,000 the prior year.
Homes in KEYSTONE, SD 57751 spend an average of 78 days on the market before going under contract, compared to 154 days the prior year.
Based on current inventory and days-on-market data as of January 2026, KEYSTONE, SD 57751 is currently a Balanced Market. Inventory has increased compared to last year, with 4 more homes available — giving buyers more choice. Homes are selling faster, averaging 78 days on market compared to 154 days last year.
With SELL123.com's maximum 3% commission, sellers in KEYSTONE, SD 57751 save an estimated $11,490 compared to a typical 5% commission on the median listing price of $574,500. 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.