Google street view image for 13686 Lost Cave Rd, Keystone, SD 57751

Off Market Mar 2019 for $140K

—

Est. refi paymentEst. refi $926/mo

•

3 ba

•

1,486

sq ft

13686 Lost Cave Rd, Keystone, SD 57751

About this home

13686 Lost Cave Rd is a 1,486 square foot property on a 18.4 acre lot with 4 bedrooms and 3 bathrooms. - it last sold on March 01, 2019 for $140,000.

2019Year Built

18.4 acresLot Size

$94Price/Sq.Ft.

Source:Public Records

Redfin Estimate

Unfortunately, we don't have enough data to generate an accurate Estimate at this time.

Market trends in 57751, SD

Last updated August 2026

Sale-to-List Price

100.0%

+1.6% MoM

Median sale price

$1.2M

$455K MoM

Avg. days on market

73d

57 days MoM

Recently sold homes

3 MoM

New listings for sale

VIDEO TOUR
$440,000
6 beds2.5 baths2,238 sq ft
907 Fouse St, Keystone, SD 57751
$2,499,000
3 beds4.5 baths— sq ft
24452 Trackers Trl, Keystone, SD 57751
See all

Provided by Redfin

Sale history for 13686 Lost Cave Rd

Year

Property tax

Land + Additions

Assessment*

2025

$11,153 (+5.0%)

$406,500 + $659,200

$1,065,700

2024

$10,621 (−2.6%)

$406,500 + $659,200

$1,065,700

2023

$10,901 (+2.5%)

$406,500 + $659,200

$1,065,700

2022

$10,630 (+38.8%)

$221,700 + $605,000

$826,700

2021

$7,660 (+127.4%)

$221,700 + $605,000

$826,700

2020

$3,369 (+70.6%)

$136,700 + $68,200

$204,900

2019

$1,974 (+1.3%)

$113,900

2018

$1,950 (−7.0%)

$113,900

2017

$2,096 (−8.6%)

$115,400

2013

$2,292

$115,400

Tax history for 13686 Lost Cave Rd

Year

Property tax

Land + Additions

Assessment*

2025

$11,153 (+5.0%)

$406,500 + $659,200

$1,065,700

2024

$10,621 (−2.6%)

$406,500 + $659,200

$1,065,700

2023

$10,901 (+2.5%)

$406,500 + $659,200

$1,065,700

2022

$10,630 (+38.8%)

$221,700 + $605,000

$826,700

2021

$7,660 (+127.4%)

$221,700 + $605,000

$826,700

2020

$3,369 (+70.6%)

$136,700 + $68,200

$204,900

2019

$1,974 (+1.3%)

$113,900

2018

$1,950 (−7.0%)

$113,900

2017

$2,096 (−8.6%)

$115,400

2013

$2,292

$115,400

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Permits

Dec 13, 2019 • Final

Co building

Work on an existing detached garage.

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: 3

Exterior

Exterior Information
Building Style Type: Contemporary
Building Construction Quality: Good
Building Type: Single Family

Property Information
Subdivision Name: MOUNTAIN ESTATES SUB
Living Sq. Ft: 1,486
Building Sq. Ft: 1,486
Legal Description: BATTLE CREEK MOUNTAIN ESTATES SUBD, LOT 4 LESS LOT H1 (ALSO IN SEC 17-19)

Lot Information
# of Buildings: 1
Land Sq. Ft: 801,487
Legal Lot Number: 4
Acres: 18.3996
County Use Description: DWLNGS & AUTO GAR ON AG LAND

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 1,486
Stories: —
Lot Size: 18.4 acres
Style: Other
Year Built: 2019
Year Renovated: —
County: Pennington County
APN: 41427

Home facts updated by county records on Jul 20, 2026

Around this home

Schools

Hermosa Elementary - 04

Public PreK-6 • Assigned • 6.7mi

5/10

Custer Middle School - 05

Public 7-8 • Assigned • 14.9mi

8/10

Custer High School - 01

Public 9-12 • Assigned • 14.9mi

5/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Historical weather

Keystone, SD • 57751

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

Try the sun simulator tool to see how light moves across the property at different times of day and year.

Provided by Shadowmap

Sell confidently with a local market expert in Keystone. 3 minutes to get started.

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New listings for sale in 57751

VIDEO TOUR

$440,000

6 beds2.5 baths2,238 sq ft

907 Fouse St, Keystone, SD 57751

$2,499,000

3 beds4.5 baths— sq ft

24452 Trackers Trl, Keystone, SD 57751

Home values near 13686 Lost Cave Rd

Data from public records.

Address	Redfin Estimate
24378 Lost Cave Court, Keystone, SD 5 Beds \| 3 Baths \| 3584 Sq. Ft.	$766,948
13691 Highway 40, Keystone, SD 3 Beds \| 1.5 Baths \| 1260 Sq. Ft.	$552,678

Address	Redfin Estimate
13674 Lost Cave Road, Keystone, SD - Beds \| - Baths \| 938 Sq. Ft.	$229,534
13688 Highway 40, Keystone, SD 2 Beds \| 2 Baths \| 1440 Sq. Ft.	$676,518

Address	Redfin Estimate
13656 Lost Cave Road, Keystone, SD 4 Beds \| 4 Baths \| 1920 Sq. Ft.	$724,385
13691 Harney Lookout Court, Keystone, SD 3 Beds \| 1.5 Baths \| 1840 Sq. Ft.	$459,160

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Market trends in 57751, SD

Sale history for 13686 Lost Cave Rd

Tax history for 13686 Lost Cave Rd

Permits

Property details

Around this home

Schools

Lifestyle

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 57751

Home values near 13686 Lost Cave Rd

More real estate resources