Active Listings
10
⇩ 9.1% vs 11 last year
Data as of July 2026. Source: Realtor.com.
The KEYSTONE, SD real estate market (57751) currently shows 10 active listings, with 1 pending sales. Homes are averaging 37 days on the market before going under contract.
Inventory has tightened compared to last year, with 1 fewer active listings — creating more competition among buyers.
Homes are selling faster, averaging 37 days on market compared to 67 days last year.
The median listing price has risen 20.9% year-over-year, from $767,000 to $927,500.
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.
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 July 2026, there are 10 active listings in KEYSTONE, SD (zip code 57751), compared to 11 the prior year.
The median listing price in KEYSTONE, SD 57751 is $927,500 as of July 2026, a 20.9% increase from $767,000 the prior year.
Homes in KEYSTONE, SD 57751 spend an average of 37 days on the market before going under contract, compared to 67 days the prior year.
Based on current inventory and days-on-market data as of July 2026, KEYSTONE, SD 57751 is currently a Seller's Market. Inventory has tightened compared to last year, with 1 fewer active listings — creating more competition among buyers. Homes are selling faster, averaging 37 days on market compared to 67 days last year.
With SELL123.com's maximum 3% commission, sellers in KEYSTONE, SD 57751 save an estimated $18,550 compared to a typical 5% commission on the median listing price of $927,500. 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.