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 $892,562.
Single-familyProperty Type
1983Year Built
16.4 acresLot Size
$304Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$892,562
$12K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 19.8% higher than the average sale price ($745K) of 6 comparable homes.
Claim this home to receive a free report every month with insights on the changing estimate.
Earn from this home
Rent
$3,281/mo
Redfin rental estimate
List your home for rent
Market trends in 57751, SD
Last updated August 2026
Sale-to-List Price
100.0%
0.0% MoM
Median sale price
$1.2M
$517 MoM
Avg. days on market
73d
0 days MoM
Recently sold homes
1
0 MoM
Provided by Redfin
Sale history for 13480 Highway 40
Date
Event
Price
Public Records
Apr 15, 2008
Sold
$377,203
$128/sq ft
Public Records
Jun 1, 1990
Sold
$100,000
$34/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$7,786 (−1.6%)
$345,800 + $498,800
$844,600
2024
$7,913 (−9.6%)
$345,800 + $498,800
$844,600
2023
$8,749 (+20.6%)
$345,800 + $498,800
$844,600
2022
$7,257 (+28.1%)
$172,900 + $381,900
$554,800
2021
$5,664 (+3.1%)
$172,900 + $381,900
$554,800
2020
$5,493 (+10.6%)
$108,900 + $291,300
$400,200
2019
$4,966 (+11.4%)
$108,900 + $238,800
$347,700
2018
$4,456 (−2.3%)
$108,900 + $246,600
$355,500
2017
$4,563 (−1.4%)
$110,500 + $214,700
$325,200
2016
$4,629 (−21.0%)
$110,500 + $209,600
$320,100
2013
$5,861
$110,500 + $205,500
$316,000
Tax history for 13480 Highway 40
Year
Property tax
Land + Additions
Assessment*
2025
$7,786 (−1.6%)
$345,800 + $498,800
$844,600
2024
$7,913 (−9.6%)
$345,800 + $498,800
$844,600
2023
$8,749 (+20.6%)
$345,800 + $498,800
$844,600
2022
$7,257 (+28.1%)
$172,900 + $381,900
$554,800
2021
$5,664 (+3.1%)
$172,900 + $381,900
$554,800
2020
$5,493 (+10.6%)
$108,900 + $291,300
$400,200
2019
$4,966 (+11.4%)
$108,900 + $238,800
$347,700
2018
$4,456 (−2.3%)
$108,900 + $246,600
$355,500
2017
$4,563 (−1.4%)
$110,500 + $214,700
$325,200
2016
$4,629 (−21.0%)
$110,500 + $209,600
$320,100
2013
$5,861
$110,500 + $205,500
$316,000
*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
6/10
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
79
59
79
57
78
52
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
$848,000 – $1.03M
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