503 Blair St, Keystone, SD 57751
OFF MARKET

503 Blair St
Keystone, SD 57751

  • 2 Beds
  • 2 Baths
  • 1,400 sqft

$416,400

Trulia Estimate
as of Aug 19, 2026

$416,400

Trulia Estimate
as of Aug 19, 2026
2 Beds
2 Baths
1,400 sqft

Home Value

Trulia Estimate
$416K
Since last month
Decreased$9K (-2.2%)
Since last year
Increased$1K (+0.3%)
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 +94% in the last 10 years
MonthEstimated value
2026
August 2026$412K
July 2026$421K
June 2026$423K
May 2026$415K
April 2026$413K
March 2026$414K
February 2026$407K
January 2026$397K
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

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
394 Mitchell St, Keystone, SD
0.16
Single-Family Home
$395,000
09/08/25
2
2
902
601 Caseys Ct, Keystone, SD
0.32
Single-Family Home
$620,000
09/08/25
3
2.5
3,064
13012 Echo Valley Ct, Keystone, SD
1.92
Single-Family Home
$950,000
02/12/26
3
2.5
3,352
1415 Old Hill City Rd, Keystone, SD
1.92
Single-Family Home
$750,000
03/30/26
4
5
4,562
24499 Painted Pony Rd, Keystone, SD
2.67
Single-Family Home
$1,195,000
07/06/26
3
3
2,347
13520 Courtyard Pl, Keystone, SD
3.25
Single-Family Home
$730,000
01/08/26
2
2.5
2,161
24370 Talon Trl, Keystone, SD
5.08
Single-Family Home
$531,038
02/27/26
2
2.5
1,440
13656 Lost Cave Rd, Keystone, SD
4.81
Single-Family Home
$620,000
04/24/26
4
4
1,920
23865 Pioneer Ridge Rd, Rapid City, SD
5.51
Single-Family Home
$575,000
10/31/25
2
2
2,759
23791 Golden Hills Dr, Rapid City, SD
5.53
Single-Family Home
$712,500
05/04/26
5
2.5
3,848

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
620 Casey Ct, Keystone, SD 57751
0.32
$534,700
3
2
2,178
Off Market
601 Caseys Ct, Keystone, SD 57751
0.32
$618,900
3
2.5
3,064
Off Market
907 Fouse St, Keystone, SD 57751
0.61
$459,999
6
2.5
2,238
For Sale
1013 Front St, Keystone, SD 57751
0.70
$623,900
6
-
1,500
Off Market
Trackers Trl, Keystone, SD 57751
1.04
$425,000
-
-
-
For Sale
Lots 9 & 11 Hwy #40, Keystone, SD 57751
1.04
-
-
-
-
Off Market
Pretty Flower Ln, Keystone, SD 57751
1.05
-
-
-
-
Off Market
Dan Patch 4 Lafferty Gulch, Keystone, SD 57751
1.27
-
-
-
-
Off Market
432 Lafferty Gulch Rd, Keystone, SD 57751
1.32
$350,000
1
1
754
For Sale
LOT Of 3r Granite Point #A, Keystone, SD 57751
1.33
-
-
-
-
Off Market
24227 Granite Point Ct, Keystone, SD 57751
1.33
$515,000
2
1.5
1,123
For Sale
LOT Of 3r Granite Point #B, Keystone, SD 57751
1.33
-
-
-
-
Off Market

Local Information

  • Map ViewExplore the area around 503 Blair St.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1982
Living Area
1,400 sqft
Price/Sqft
$297

About this House

This single-family home is located at 503 Blair St, Keystone, SD. 503 Blair St is in Keystone, SD and in ZIP code 57751. This property has 2 bedrooms, 2 bathrooms and approximately 1,400 sqft of floor space. This property has a lot size of 9147 sqft and was built in 1982.
503 Blair St, Keystone, SD 57751 is a 2 bedroom, 2 bathroom, 1,400 sqft single-family home built in 1982. It is currently off market. The Trulia Estimate is $416,400, with a rent estimate of $1,734/month.

Home Details for 503 Blair St

Interior Features

Interior Details
Basement

Property Information

Year Built
Year Built: 1982
Property Type / Style
Property Type: Single Family HomeArchitecture: Ranch / Rambler

Exterior Features

Exterior Home Features
Deck

Lot Information

Lot Area: 9147 sqft

Price and Tax history

YearProperty taxTax assessment
2025
$3,743
$398,500
Home facts updated by county records

Market trends in Keystone

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
16
4MoM

Around this home

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 503 Blair St

  • What is 503 Blair St estimated to be worth?
    Trulia's estimated value for 503 Blair St in Keystone, SD is $416,400.
  • 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 503 Blair St?
    The closest schools to 503 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 6/10).
  • How big is the lot at 503 Blair St?
    The lot at 503 Blair St in Keystone, SD is about 0.21 acres (9,147 sq ft).

Apartments for Rent

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Off Market Homes Near 503 Blair St

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Homes for sale near 503 Blair St

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