Active Listings
11
⇧ 22.2% vs 9 last year
Data as of September 2026. Source: Realtor.com.
The KEYSTONE, SD real estate market (57751) currently shows 11 active listings, with 2 pending sales. Homes are averaging 95 days on the market before going under contract.
Inventory has increased compared to last year, with 2 more homes available — giving buyers more choice.
Homes are selling faster, averaging 95 days on market compared to 129 days last year.
The median listing price has risen 12.8% year-over-year, from $786,000 to $886,250.
Population: 947 · Density: 8.3/mi² · Median household income: $98,393
Typical home value: $450,247 · Homeownership: 84.1%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 57751 | Keystone, SD 57751 | 0.0 mi | 8 | $5,438,264 | $534,950 | $679,783 |
| 57730 | Custer, SD 57730 | 14.5 mi | 38 | $34,816,360 | $805,500 | $916,220 |
| 57745 | Hill City, SD 57745 | 20.6 mi | 7 | $8,140,300 | $998,000 | $1,162,900 |
| 57703 | Rapid City, SD 57703 | 21.0 mi | 120 | $49,397,160 | $377,788 | $411,643 |
| 57759 | Nemo, SD 57759 | 25.2 mi | 3 | $1,990,500 | $663,500 | $663,500 |
| 57732 | Deadwood, SD 57732 | 27.8 mi | 20 | $14,353,340 | $493,750 | $717,667 |
| 57719 | Box Elder, SD 57719 | 33.2 mi | 76 | $31,192,072 | $383,674 | $410,422 |
| 57754 | Lead, SD 57754 | 35.2 mi | 113 | $143,302,419 | $1,012,000 | $1,268,163 |
| 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 | $277,000 | $277,000 | $277,000 |
| 57793 | Whitewood, SD 57793 | 45.6 mi | 18 | $11,856,762 | $421,000 | $658,709 |
| 82701 | Newcastle, WY 82701 | 52.2 mi | 25 | $12,356,250 | $228,000 | $494,250 |
| 57791 | Wasta, SD 57791 | 54.1 mi | 1 | $160,000 | $160,000 | $160,000 |
As of September 2026, there are 11 active listings in KEYSTONE, SD (zip code 57751), compared to 9 the prior year.
The median listing price in KEYSTONE, SD 57751 is $886,250 as of September 2026, a 12.8% increase from $786,000 the prior year.
Homes in KEYSTONE, SD 57751 spend an average of 95 days on the market before going under contract, compared to 129 days the prior year.
Based on current inventory and days-on-market data as of September 2026, KEYSTONE, SD 57751 is currently a Balanced Market. Inventory has increased compared to last year, with 2 more homes available — giving buyers more choice. Homes are selling faster, averaging 95 days on market compared to 129 days last year.
With SELL123.com's maximum 3% commission, sellers in KEYSTONE, SD 57751 save an estimated $17,725 compared to a typical 5% commission on the median listing price of $886,250. 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.