122 Roy St is a 1,220 square foot house on a 8,834 square foot lot with 3 bedrooms and 1 bathroom. Based on Redfin's Keystone data, we estimate the home's value is $252,235.
Single-familyProperty Type
1957Year Built
8,834 sq ftLot Size
$207Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$252,235
$3,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 31.2% lower than the average sale price ($367K) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$1,675 (+3.5%)
$40,500 + $126,100
$166,600
2024
$1,618 (−11.9%)
$40,500 + $126,100
$166,600
2023
$1,837 (+7.9%)
$40,500 + $116,600
$157,100
2022
$1,702 (+20.3%)
$23,500 + $102,500
$126,000
2021
$1,416 (+0.4%)
$23,500 + $102,500
$126,000
2020
$1,410 (+19.6%)
$18,100 + $81,800
$99,900
2019
$1,179 (+0.9%)
$16,400 + $79,600
$96,000
2018
$1,168 (−6.4%)
$16,400 + $65,400
$81,800
2017
$1,248 (−3.2%)
$16,400 + $65,800
$82,200
2016
$1,290 (+4.3%)
$16,400 + $65,600
$82,000
2013
$1,237
$16,400 + $67,000
$83,400
Tax history for 122 Roy St
Year
Property tax
Land + Additions
Assessment*
2025
$1,675 (+3.5%)
$40,500 + $126,100
$166,600
2024
$1,618 (−11.9%)
$40,500 + $126,100
$166,600
2023
$1,837 (+7.9%)
$40,500 + $116,600
$157,100
2022
$1,702 (+20.3%)
$23,500 + $102,500
$126,000
2021
$1,416 (+0.4%)
$23,500 + $102,500
$126,000
2020
$1,410 (+19.6%)
$18,100 + $81,800
$99,900
2019
$1,179 (+0.9%)
$16,400 + $79,600
$96,000
2018
$1,168 (−6.4%)
$16,400 + $65,400
$81,800
2017
$1,248 (−3.2%)
$16,400 + $65,800
$82,200
2016
$1,290 (+4.3%)
$16,400 + $65,600
$82,000
2013
$1,237
$16,400 + $67,000
$83,400
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Oct 4, 2004 • Final
Assessor
Construct a storage shed.
ADU
Aug 29, 1997 • Final
Assessor
Work on a garage and workshop.
Remodel
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: 1
Exterior
Exterior Information
Building Style Type: Ranch
Building Construction Quality: Fair
Building Type: Single Family
Property Information
Subdivision Name: HARNEY ADD
Living Sq. Ft: 1,220
Building Sq. Ft: 2,544
Legal Description: HARNEY ADD, BLOCK 15, LOT 5 - 6
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 1,324
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 8,834
Legal Lot Number: 5
Legal Block Number: 15
Acres: 0.2028
County Use Description: DWL & AUTO GAR ON CTY/TWN LTS
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 1,220
Stories: —
Lot Size: 8,834 square feet
Style: Single Family Residential
Year Built: 1957
Year Renovated: —
County: Pennington County
APN: 2891
Home facts updated by county records on Jul 20, 2026
Around this home
Schools
Hill City Elementary - 02
Public PreK-5 • Assigned • 7.9mi
7/10
Hill City Middle School - 04
Public 6-8 • Assigned • 7.9mi
6/10
Hill City High School - 01
Public 9-12 • Assigned • 7.9mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
8/10 Flood Factor
Estimated 80%+ chance of a flood reaching the building in the next 30 years
5/10 Fire Factor
4% chance of being in a wildfire in next 30 years
1/10 Heat Factor
8 days above 89° expected this year, 20 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
$240,000 – $291,000
Sell confidently with a local market expert in Keystone. 3 minutes to get started.