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

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 13688 Highway 40?

The closest schools to 13688 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 13688 Highway 40?

The lot at 13688 Highway 40 in Keystone, SD is about 15.1 acres .

Does 13688 Highway 40 have a garage?

Yes, 13688 Highway 40 in Keystone, SD has a garage.

OFF MARKET

13688 Highway 40
Keystone, SD 57751

2 Beds
2 Baths
1,440 sqft (on 15.09 acres)

2 Beds

2 Baths

1,440 sqft

(on 15.09 acres)

Home Value

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

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
24370 Talon Trl, Keystone, SD	0.04	Single-Family Home	$531,038	02/27/26	2	2.5	1,440
13656 Lost Cave Rd, Keystone, SD	0.34	Single-Family Home	$620,000	04/24/26	4	4	1,920
24271 Rushmore Ranch Rd, Keystone, SD	0.83	Single-Family Home	$923,000	08/03/26	4	3	3,256
24227 Pine Grove Rd, Rapid City, SD	1.64	Single-Family Home	$540,500	01/21/26	4	2	2,969
13520 Courtyard Pl, Keystone, SD	1.85	Single-Family Home	$730,000	01/08/26	2	2.5	2,161
24577 Outback Trl, Hermosa, SD	2.42	Single-Family Home	$795,000	12/12/25	4	3	2,997
24535 E View Pl, Hermosa, SD	2.83	Single-Family Home	$500,000	07/17/26	3	2.5	1,988
24054 Stoneridge Rd, Rapid City, SD	3.04	Single-Family Home	$975,000	08/07/26	3	2.5	2,622
13823 Box Canyon Rd, Hermosa, SD	3.31	Single-Family Home	$695,000	03/02/26	3	2.5	3,260
13929 Thistle Ridge Rd, Hermosa, SD	4.05	Single-Family Home	$620,000	07/15/26	3	2	2,138

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
24370 Talon Trl, Keystone, SD 57751	0.04	$531,038	2	2.5	1,440	Recently Sold
Lot 3A Highway 40, Keystone, SD 57751	0.06	-	-	-	-	Off Market
Lot 3B Highway 40, Keystone, SD 57751	0.06	-	-	-	-	Off Market
Lot 3C Highway 40, Keystone, SD 57751	0.08	-	-	-	-	Off Market
13704 Highway 40, Keystone, SD 57751	0.10	$837,400	3	3.5	2,828	Off Market
13685 W Battle Creek Rd, Keystone, SD 57751	0.32	$478,200	3	2	1,552	Off Market
13656 Lost Cave Rd, Keystone, SD 57751	0.34	$620,000	4	4	1,920	Recently Sold
3 Keystone, Custer, SD 57730	0.38	-	-	-	-	Off Market
Lost Cave Ct, Keystone, SD 57751	0.47	$174,900	-	-	-	For Sale
24354 Rushmore Ranch Rd, Keystone, SD 57751	0.47	$663,900	4	3	2,592	Off Market
13660 Highway 40, Keystone, SD 57751	0.58	$674,900	-	-	-	For Sale
24427 Thovson Rd, Keystone, SD 57751	0.66	$365,900	2	1	740	For Sale

Local Information

Map ViewExplore the area around 13688 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

2003

Lot Size

15.09 acres

Living Area

1,440 sqft

Parking

Garage

About this House

This single-family home is located at 13688 Highway 40, Keystone, SD. 13688 Highway 40 is in Keystone, SD and in ZIP code 57751. This property has 2 bedrooms, 2 bathrooms and approximately 1,440 sqft of floor space. This property has a lot size of 15.09 acres and was built in 2003.

13688 Highway 40, Keystone, SD 57751 is a 2 bedroom, 2 bathroom, 1,440 sqft single-family home built in 2003. It is currently off market. The Trulia Estimate rent is $1,862/month.

Home Details for 13688 Highway 40

Property Information
Year Built Year Built: 2003
Property Type / Style Property Type: Single Family HomeArchitecture: Ranch / Rambler

Exterior Features
Exterior Home Features Deck
Parking & Garage GarageParking: Garage Attached

Lot Information
Lot Area: 15.09 acres

Price and Tax history

Year	Property tax	Tax assessment
2022	$5,161	$444,300

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 13688 Highway 40

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 13688 Highway 40?
The closest schools to 13688 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 13688 Highway 40?
The lot at 13688 Highway 40 in Keystone, SD is about 15.1 acres.
Does 13688 Highway 40 have a garage?
Yes, 13688 Highway 40 in Keystone, SD has a garage.