Is parking easy in Keystone, SD?

As of early 2026, 100% of users say parking is easy

Do residents of Keystone, SD plan to stay at least 5 years?

As of early 2026, 100% of users say they plan to stay for at least 5 years

Are the streets well-lit in Keystone, SD?

As of early 2026, 100% of users say streets are well-lit

Is there wildlife in Keystone, SD?

As of early 2026, 50% of users say there's wildlife

Are neighbors friendly in Keystone, SD?

As of early 2026, 18% of users say neighbors are friendly

What is 13599 Highway 40 estimated to be worth?

Trulia's estimated value for 13599 Highway 40 in Keystone, SD is $776,600 .

Is Keystone a buyer's or seller's market?

Keystone is currently a buyer's market, based on recent for-sale activity.

What are the closest schools to 13599 Highway 40?

The closest schools to 13599 Highway 40 in Keystone, SD are Custer Elementary - 02 (Pre-K, rated 7/10), Custer High School - 01 (rated 5/10), Custer Middle School - 05 (rated 8/10).

How big is the lot at 13599 Highway 40?

The lot at 13599 Highway 40 in Keystone, SD is about 11.6 acres .

OFF MARKET

$776,600

Trulia Estimate

2 Beds
2 Baths
2,026 sqft (on 11.60 acres)

13599 Highway 40, Keystone, SD 57751

Refinance Your Home

Home Value

Trulia Estimate

$777K

Since last month

$20K (+2.6%)

Since last year

$65K (-7.7%)

Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +119% in the last 10 years

Month	Estimated value
2026
August 2026	$782K
July 2026	$762K
June 2026	$791K
May 2026	$780K
April 2026	$765K
March 2026	$757K
February 2026	$759K
January 2026	$760K
2025
December 2025	$776K
November 2025	$789K
October 2025	$778K
September 2025	$835K
August 2025	$847K
July 2025	$852K
June 2025	$819K
May 2025	$834K
April 2025	$829K
March 2025	$816K
February 2025	$814K
January 2025	$800K
2024
December 2024	$845K
November 2024	$827K
October 2024	$845K
September 2024	$874K
August 2024	$865K
July 2024	$864K
June 2024	$869K
May 2024	$827K
April 2024	$827K
March 2024	$830K
February 2024	$839K
January 2024	$794K
2023
December 2023	$817K
November 2023	$839K
October 2023	$862K
September 2023	$849K
August 2023	$845K
July 2023	$853K
June 2023	$840K
May 2023	$802K
April 2023	$785K
March 2023	$780K
February 2023	$771K
January 2023	$768K
2022
December 2022	$776K
November 2022	$783K
October 2022	$776K
September 2022	$766K
August 2022	$768K
July 2022	$777K
June 2022	$792K
May 2022	$786K
April 2022	$767K
March 2022	$723K
February 2022	$677K
January 2022	$694K
2021
December 2021	$671K
November 2021	$674K
October 2021	$679K
September 2021	$662K
August 2021	$678K
July 2021	$664K
June 2021	$641K
May 2021	$633K
April 2021	$632K
March 2021	$587K
February 2021	$588K
January 2021	$530K
2020
December 2020	$505K
November 2020	$475K
October 2020	$456K
September 2020	$454K
August 2020	$441K
July 2020	$446K
June 2020	$434K
May 2020	$435K
April 2020	$444K
March 2020	$441K
February 2020	$439K
January 2020	$441K
2019
December 2019	$450K
November 2019	$451K
October 2019	$455K
September 2019	$441K
August 2019	$451K
July 2019	$451K
June 2019	$447K
May 2019	$443K
April 2019	$434K
March 2019	$437K
February 2019	$437K
January 2019	$437K
2018
December 2018	$436K
November 2018	$428K
October 2018	$425K
September 2018	$428K
August 2018	$420K
July 2018	$428K
June 2018	$423K
May 2018	$417K
April 2018	$420K
March 2018	$400K
February 2018	$397K
January 2018	$393K
2017
December 2017	$401K
November 2017	$388K
October 2017	$380K
September 2017	$380K
August 2017	$380K
July 2017	$349K
June 2017	$351K
May 2017	$366K
April 2017	$346K
March 2017	$342K
February 2017	$343K
January 2017	$343K
2016
December 2016	$341K
November 2016	$339K
October 2016	$340K
September 2016	$347K
August 2016	$358K

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.

Address	Distance	Property Type	Sold Price	Sold Date	Bed	Bath	Sqft
13656 Lost Cave Rd, Keystone, SD	0.54	Single-Family Home	$620,000	04/24/26	4	4	1,920
13520 Courtyard Pl, Keystone, SD	1.25	Single-Family Home	$730,000	01/08/26	2	2.5	2,161
24370 Talon Trl, Keystone, SD	0.85	Single-Family Home	$531,038	02/27/26	2	2.5	1,440
24271 Rushmore Ranch Rd, Keystone, SD	1.49	Single-Family Home	$923,000	08/03/26	4	3	3,256
24227 Pine Grove Rd, Rapid City, SD	2.33	Single-Family Home	$540,500	01/21/26	4	2	2,969
24577 Outback Trl, Hermosa, SD	2.65	Single-Family Home	$795,000	12/12/25	4	3	2,997
24535 E View Pl, Hermosa, SD	3.40	Single-Family Home	$500,000	07/17/26	3	2.5	1,988
13823 Box Canyon Rd, Hermosa, SD	3.49	Single-Family Home	$695,000	03/02/26	3	2.5	3,260
24054 Stoneridge Rd, Rapid City, SD	3.61	Single-Family Home	$975,000	08/07/26	3	2.5	2,622
24499 Painted Pony Rd, Keystone, SD	3.68	Single-Family Home	$1,195,000	07/06/26	3	3	2,347

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.

Address	Distance	Price	Bed	Bath	Sqft	Status
13621 Highway 40, Keystone, SD 57751	0.19	$596,800	4	3	3,536	Off Market
13639 Highway 40, Keystone, SD 57751	0.27	$1,700,000	3	3	2,522	For Sale
23463 Guyette Rd, Keystone, SD 57751	0.25	$295,000	-	-	-	Recently Sold
Lost Cave Ct, Keystone, SD 57751	0.44	$174,900	-	-	-	For Sale
13660 Highway 40, Keystone, SD 57751	0.53	$674,900	-	-	-	For Sale
13656 Lost Cave Rd, Keystone, SD 57751	0.54	$620,000	4	4	1,920	Recently Sold
13550 E Highway 40, Keystone, SD 57751	0.68	$580,300	2	2	1,428	Off Market
13685 W Battle Creek Rd, Keystone, SD 57751	0.74	$478,200	3	2	1,552	Off Market
24427 Thovson Rd, Keystone, SD 57751	0.86	$365,900	2	1	740	For Sale
24370 Talon Trl, Keystone, SD 57751	0.85	$531,038	2	2.5	1,440	Recently Sold
Lot 3A Highway 40, Keystone, SD 57751	0.91	-	-	-	-	Off Market
Lot 3B Highway 40, Keystone, SD 57751	0.93	-	-	-	-	Off Market

Local Information

Map ViewExplore the area around 13599 Highway 40.
Schools2 Preschool Schools2 Elementary Schools1 Middle School1 High School
Shop & Eat

-- mins to

Commute Destination

Home Highlights

Property Type

Single-Family Home

Year Built

1951

Lot Size

11.6 acres

Living Area

2,026 sqft

Price/Sqft

$383

About this House

This single-family home is located at 13599 Highway 40, Keystone, SD. 13599 Highway 40 is in Keystone, SD and in ZIP code 57751. This property has 2 bedrooms, 2 bathrooms and approximately 2,026 sqft of floor space. This property has a lot size of 11.60 acres and was built in 1951.

13599 Highway 40, Keystone, SD 57751 is a 2 bedroom, 2 bathroom, 2,026 sqft single-family home built in 1951. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $776,600, with a rent estimate of $1,944/month.

Home Details for 13599 Highway 40

Interior Features
Interior Details Basement

Property Information
Year Built Year Built: 1951
Property Type / Style Property Type: Single Family HomeArchitecture: Bungalow

Exterior Features
Exterior Home Features Deck

Lot Information
Lot Area: 11.60 acres

Price and Tax history

Year	Property tax	Tax assessment
2025	$8,036	$779,500

Home facts updated by county records

Additional Cost

Market trends in Keystone

Last updated July 2026

Avg. sale price

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Sale-to-List Price

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Price per sq ft

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Available listings

4MoM

Around this home

View nearby schools on GreatSchools

The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

What Locals Say about Keystone

At least 1 Trulia users voted on each feature.

100 % Say parking is easy
100 % Say they plan to stay for at least 5 years
100 % Say streets are well-lit
50 % Say there's wildlife
18 % Say neighbors are friendly

Sourced by Trulia users. Learn more about our methodology.

LGBTQ Local Legal Protections

Frequently asked questions about 13599 Highway 40

What is 13599 Highway 40 estimated to be worth?
Trulia's estimated value for 13599 Highway 40 in Keystone, SD is $776,600.
Is Keystone a buyer's or seller's market?
Keystone is currently a buyer's market, based on recent for-sale activity.
What are the closest schools to 13599 Highway 40?
The closest schools to 13599 Highway 40 in Keystone, SD are Custer Elementary - 02 (Pre-K, rated 7/10), Custer High School - 01 (rated 5/10), Custer Middle School - 05 (rated 8/10).
How big is the lot at 13599 Highway 40?
The lot at 13599 Highway 40 in Keystone, SD is about 11.6 acres.