702 Echo Valley Rd is a 2,088 square foot house on a 7.37 acre lot with 5 bedrooms and 3 bathrooms. - it last sold on April 30, 2010 for $228,000. Based on Redfin's Keystone data, we estimate the home's value is $1,085,249.
Single-familyProperty Type
1988Year Built
7.37 acresLot Size
$520Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,085,249
$857K since sold in April 2010$44K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 37.1% higher than the average sale price ($791K) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Aug 18, 2011 • Final
Assessor
Work on an above ground pool.
Pool and hot tub
Aug 28, 2003 • Final
Assessor
Construct a new garage.
New construction
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: 3
Exterior
Exterior Information
Building Style Type: Ranch
Building Construction Quality: Average
Building Type: Single Family
Property Information
Subdivision Name: ECHO VALLEY SUB
Living Sq. Ft: 2,088
Building Sq. Ft: 2,088
Legal Description: ECHO VALLEY SUBD, TRACT B
Lot Information
# of Buildings: 20
Land Sq. Ft: 320,920
Acres: 7.3673
County Use Description: IMPV & STRUCT COMM-IN TOWN
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 5
Baths: 3.0
Sq. Ft.: 2,088
Stories: —
Lot Size: 7.37 acres
Style: Single Family Residential
Year Built: 1988
Year Renovated: —
County: Pennington County
APN: 42779
Home facts updated by county records on Apr 22, 2026
Around this home
Schools
Woodrow Wilson Elementary - 17
Public K-5 • Assigned • 15.9mi
5/10
Southwest Middle School - 38
Public 6-8 • Assigned • 12.8mi
9/10
Stevens High School - 42
Public 9-12 • Assigned • 14.5mi
5/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
5/10 Flood Factor
Estimated 22-32% chance of a flood reaching the building in the next 30 years
4/10 Fire Factor
2% chance of being in a wildfire in next 30 years
1/10 Heat Factor
8 days above 88° 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, 2 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
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32
64
43
74
51
79
59
81
57
78
52
64
39
49
28
45
24
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
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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
$1.03M – $1.25M
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