13480 Highway 40 is a 2,940 square foot house on a 16.4 acre lot with 3 bedrooms and 2 bathrooms. Based on Redfin's Keystone data, we estimate the home's value is $913,264.
Single-familyProperty Type
1983Year Built
16.4 acresLot Size
$311Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$913,264
$5,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 24.1% higher than the average sale price ($736K) of 5 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
AG
Agriculture District
The Agriculture District provides for large tracts of land that are dedicated to agricultural or resource-utilization uses.
Permitted uses
Include but are not limited to:
Agriculture
Greenhouse / nursery
Livestock production
Ranch
Housing-Single unit
Wastewater treatment
Communications tower
Transportation
Park & open space
Dec 20, 2016 • Final
Co operating
Install a conventional heating and air conditioning system for a residential building.
HVAC
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Bathroom Information
# of Full Baths: 2
Exterior
Exterior Information
Building Style Type: Ranch
Building Construction Quality: Average
Building Type: Single Family
Property Information
Living Sq. Ft: 2,940
Building Sq. Ft: 2,940
Legal Description: S14, T2S, R06E, BLACK HILLS MERIDIAN, PT S1/2NE1/4NE1/4 & PT SE1/4NE1/4 N KEYSTONE HAYWARD RD
Lot Information
# of Buildings: 1
Land Sq. Ft: 714,406
Acres: 16.4005
County Use Description: DWLNGS & AUTO GAR ON AG LAND
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 2,940
Stories: —
Lot Size: 16.4 acres
Style: Single Family Residential
Year Built: 1983
Year Renovated: —
County: Pennington County
APN: 16128
Home facts updated by county records on Apr 22, 2026
Around this home
Schools
Hill City Elementary - 02
Public PreK-5 • Assigned • 11.3mi
7/10
Hill City Middle School - 04
Public 6-8 • Assigned • 11.3mi
5/10
Hill City High School - 01
Public 9-12 • Assigned • 11.2mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
5/10 Fire Factor
6% chance of being in a wildfire in next 30 years
2/10 Heat Factor
7 days above 90° expected this year, 17 days in 30 years
2/10 Wind Factor
Minor risk of severe winds over next 30 years
2/10 Air Factor
1 unhealthy days expected this year, 3 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
75
50
64
39
49
28
45
24
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 10.1 hours in
June and 4.8 hours in December, placing it above the
U.S. average for solar exposure.
10.1 hrs
4.8 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$868,000 – $1.05M
Sell confidently with a local market expert in Keystone. 3 minutes to get started.