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 403 Blair St estimated to be worth?

Trulia's estimated value for 403 Blair St in Keystone, SD is $596,600 .

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 403 Blair St?

The closest schools to 403 Blair St in Keystone, SD are Hill City Elementary - 02 (Pre-K, rated 7/10), Hill City High School - 01 (rated 9/10), Hill City Middle School - 04 (rated 5/10).

How big is the lot at 403 Blair St?

The lot at 403 Blair St in Keystone, SD is about 0.19 acres (8,276 sq ft).

OFF MARKET

$596,600

Trulia Estimate

Studio
2,016 sqft

403 Blair St, Keystone, SD 57751

Refinance Your Home

Home Value

Trulia Estimate

$597K

Since last month

$4K (-0.6%)

Since last year

$16K (-2.6%)

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 +14% in the last 10 years

Month	Estimated value
2026
October 2026	$597K
September 2026	$618K
August 2026	$600K
July 2026	$602K
June 2026	$610K
May 2026	$645K
April 2026	$594K
March 2026	$622K
February 2026	$617K
January 2026	$563K
2025
December 2025	$577K
November 2025	$566K
October 2025	$606K
September 2025	$613K
August 2025	$589K
July 2025	$603K
June 2025	$545K
May 2025	$546K
April 2025	$525K

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
13012 Echo Valley Ct, Keystone, SD	1.90	Single-Family Home	$950,000	02/12/26	3	2.5	3,352
No Real Estate Other, Keystone, SD	1.75	Single-Family Home	$46,000	09/11/26	1	1	358
24499 Painted Pony Rd, Keystone, SD	2.67	Single-Family Home	$1,195,000	07/06/26	3	3	2,347
24370 Talon Trl, Keystone, SD	5.10	Single-Family Home	$531,038	02/27/26	2	2.5	1,440
23791 Golden Hills Dr, Rapid City, SD	5.55	Single-Family Home	$712,500	05/04/26	5	2	1,924
23856 Pioneer Ridge Rd, Rapid City, SD	5.64	Single-Family Home	$985,000	06/03/26	4	3	3,356
13651 Quartz Canyon Ct, Rapid City, SD	7.35	Single-Family Home	$439,000	05/27/26	3	2	1,932
13451 Rockwood Rd, Rapid City, SD	7.24	Single-Family Home	$830,000	05/18/26	3	4	2,816
23645 Wilderness Canyon Rd, Rapid City, SD	7.52	Single-Family Home	$1,380,000	06/17/26	5	4	4,379

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
401 Blair St, Keystone, SD 57751	0.01	-	-	-	-	Off Market
503 Blair St, Keystone, SD 57751	0.02	$411,500	2	2	1,400	Off Market
402 Blair St, Keystone, SD 57751	0.02	$667,900	Studio	-	2,187	Off Market
505 Blair St, Keystone, SD 57751	0.03	-	-	-	-	Off Market
Blair St, Keystone, SD 57751	0.04	-	-	-	-	Off Market
Blair St, Keystone, SD 57751	0.04	$234,700	2	1	864	Off Market
Blair St, Keystone, SD 57751	0.04	$290,400	3	2	672	Off Market
Blair St, Keystone, SD 57751	0.04	-	-	-	-	Off Market
Blair St, Keystone, SD 57751	0.04	-	-	-	-	Off Market
Blair St, Keystone, SD 57751	0.04	-	-	-	-	Off Market
Blair St, Keystone, SD 57751	0.04	-	-	-	-	Off Market
Blair St, Keystone, SD 57751	0.04	-	-	-	-	Off Market
Blair St, Keystone, SD 57751	0.04	-	-	-	-	Off Market
Blair St, Keystone, SD 57751	0.04	-	-	-	-	Off Market
Blair St, Keystone, SD 57751	0.04	-	-	-	-	Off Market
Blair St, Keystone, SD 57751	0.04	-	-	-	-	Off Market
504 Blair St, Keystone, SD 57751	0.04	-	-	-	-	Off Market
504 Blair St, Keystone, SD 57751	0.04	-	-	-	-	Off Market
307 2nd St, Keystone, SD 57751	0.04	$610,900	2	1	950	Off Market
209 1st St, Keystone, SD 57751	0.05	$286,100	2	2	1,292	Off Market

Local Information

Map ViewExplore the area around 403 Blair St.
Schools1 Preschool School1 Elementary School1 Middle School1 High School
Shop & Eat

-- mins to

Commute Destination

Home Highlights

Single-Family Home

Built in 2023

2,016 sqft

$296/sqft

About this House

This single-family home is located at 403 Blair St, Keystone, SD. 403 Blair St is in Keystone, SD and in ZIP code 57751. This property has approximately 2,016 sqft of floor space. This property has a lot size of 8276 sqft and was built in 2023.

403 Blair St, Keystone, SD 57751 is a studio, 2,016 sqft single-family home built in 2023. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $596,600, with a rent estimate of $2,480/month.

Home Details for 403 Blair St

Interior Features
Levels, Entrance, & Accessibility Stories: 2

Property Information
Year Built Year Built: 2023
Property Type / Style Property Type: Single Family Home

Lot Information
Lot Area: 8276 sqft

Price and Tax history

Year	Property tax	Tax assessment
2025	$7,506	$514,400

Home facts updated by county records

Additional Cost

Market trends in Keystone

Last updated August 2026

Avg. sale price

—

Sale-to-List Price

—

Price per sq ft

—

Available listings

3MoM

Around this home

Hill City Elementary - 02
PK-5
Public
225 Students
Hill City School District 51-2
7/10
GreatSchools Rating
Parent Rating Average
My children received an outstanding education. Hill City Elementary has amazing educators!
Parent Review
1y ago
3 Reviews

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 403 Blair St

What is 403 Blair St estimated to be worth?
Trulia's estimated value for 403 Blair St in Keystone, SD is $596,600.
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 403 Blair St?
The closest schools to 403 Blair St in Keystone, SD are Hill City Elementary - 02 (Pre-K, rated 7/10), Hill City High School - 01 (rated 9/10), Hill City Middle School - 04 (rated 5/10).
How big is the lot at 403 Blair St?
The lot at 403 Blair St in Keystone, SD is about 0.19 acres (8,276 sq ft).