For sale
$1,700,000
Est. $11,239/mo —
3
bd
•
3 ba
•
2,522
sq ft

13639 Highway 40, Keystone, SD 57751

map-entry

About this home

Single-familyProperty Type
2002Year Built
11.42 acresLot Size
$674Price/Sq.Ft.
Listed by Ron Bradeen • Bradeen Real Estate and Auction
Listed by Anne Fuchs • Bradeen Real Estate and Auction
Listing updated:
Redfin checked: a minute ago
•Source:MRAOR #81475
Listing provided courtesy of Mount Rushmore Area Assoication of Realtors
741 days on Redfin • 648 views • 22 favorites

Payment calculator

$11,239 per month

Principal and interest$9,393
Property taxes
HOA dues
Home insurance
Utilities
Down payment
20% ($340,000)
Home price
$1,700,000
Loan details
30-yr fixed, 7.38%
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Around this home

Schools

Hermosa Elementary - 04

Public PreK-6 • Assigned • 7.2mi

5/10
Custer Middle School - 05

Public 7-8 • Assigned • 14.2mi

8/10
Custer High School - 01

Public 9-12 • Assigned • 14.2mi

5/10
Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Market insights

13639 Highway 40 · $1,700,000
DAYS ON MARKET
742 days
The average home goes pending in 52 days.
SALE-TO-LIST
98.6%
Most homes are selling 1% below list price.
LIST PRICE
$1,700,000
Median list price in this area is $380,302. (78% lower than this home)
PRICE DROP
2 price drops
18% of homes in this area have had a price drop in the past month.

Property details

Kitchen

Kitchen

Bathroom

Bathroom

Bedroom

Bedroom

Living

Living

  • Interior features
  • Vaulted ceilings
  • Window coverings
  • Two fireplaces with gas log in the living room
  • Bedrooms
  • One main-level bedroom
  • Bathrooms
  • Three full bathrooms (one on the main level)
  • Kitchen
  • Dishwasher
  • Disposal
  • Electric range and electric oven
  • Microwave
  • Refrigerator
  • Laundry & utility
  • Main-level laundry room
  • Dryer
  • Flooring
  • Tile
  • Hardwood
  • Heating & cooling
  • Has heating: Electric, Hot Water, Propane, Radiant
  • Has cooling: Ceiling fan(s)

Sale and tax history for 13639 Highway 40

Public record

Beds
3
Baths
3
Stories
—
Lot width
—
Lot depth
—
Lot size
11.01 Acres
Year renovated
—
Finished Sq. Ft.
2,421
Unfinished Sq. Ft.
—
Total Sq. Ft.
2,421
Year built
2002
Style
Single Family Residential
County
Pennington County
APN
53193
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 20, 2026.

Climate risks

10/10 Flood Factor

Estimated 80%+ chance of a flood reaching the building in the next 30 years

6/10 Fire Factor

10% chance of being in a wildfire in next 30 years

2/10 Heat Factor

7 days above 92° expected this year, 17 days in 30 years

2/10 Wind Factor

Minor risk of severe winds over next 30 years

3/10 Air Factor

2 unhealthy days expected this year, 4 days in 30 years

Provided by First Street

Historical weather

Keystone, SD • 57751
Average low and high temperatures (°F)
35
16
39
16
53
30
54
32
64
43
74
51
83
62
79
57
78
52
64
39
49
28
45
24
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Sun exposure

84/ 100

Very good sunlight

Sunscore

This home receives average direct sun exposure in Keystone. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

10.1 hrs
5.5 hrs
JuneDecember
Provided by Shadowmap

Redfin Estimate for 13639 Highway 40

$1,720,707
$21K over list price of $1.70M
Nearby comparable homes
The Redfin Estimate uses 6 recent nearby sales, priced between $730K to $1.4M.

More resources

Rental earnings

Est. $3,825 per month, based on comparable rentals

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GreatSchools Ratings provided by GreatSchools.org.