503 Blair St
Keystone, SD 57751
2 Beds
2 Baths
1,400 sqft
$411,100
as of May 18, 2026
$411,100
as of May 18, 2026
2 Beds
2 Baths
1,400 sqft
Local Information
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Description
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.
This property is off market, which means it's not currently listed for sale or rent on Trulia. This may be different from what's available on other websites or public sources.
Home Highlights
Parking
No Info
Outdoor
Deck
HOA
None
Price/Sqft
No Info
Listed
No Info
Home Details for 503 Blair St
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Interior Details Basement |
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Year Built Year Built: 1982 |
Property Type / Style Property Type: Single Family HomeArchitecture: Ranch / Rambler |
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Exterior Home Features Deck |
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Lot Area: 9147 sqft |
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Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | $3,743 |
| Assessment | $398,500 |
Home facts updated by county records
Comparable Sales for 503 Blair St
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.16 | Single-Family Home | $395,000 | 09/08/25 | 2 | 2 | 902 | |
0.32 | Single-Family Home | $620,000 | 09/08/25 | 3 | 2.5 | 3,064 | |
1.92 | Single-Family Home | $950,000 | 02/12/26 | 3 | 2.5 | 3,352 | |
1.92 | Single-Family Home | $750,000 | 03/30/26 | 4 | 5 | 4,562 | |
2.58 | Single-Family Home | $3,400,000 | 07/09/25 | 3 | 3.5 | 4,085 | |
3.25 | Single-Family Home | $730,000 | 01/08/26 | 2 | 2.5 | 2,161 | |
4.53 | Single-Family Home | $705,000 | 08/18/25 | 4 | 3 | 3,674 | |
4.57 | Single-Family Home | $600,000 | 08/08/25 | 4 | 3 | 3,536 | |
5.08 | Single-Family Home | $531,038 | 02/27/26 | 2 | 2.5 | 1,440 | |
4.81 | Single-Family Home | $620,000 | 04/24/26 | 4 | 4 | 1,920 |
Assigned Schools
These are the assigned schools for 503 Blair St.
- Hill City Elementary - 02
- PK-5
- Public
- 221 Students
7/10GreatSchools RatingParent Rating AverageMy children received an outstanding education. Hill City Elementary has amazing educators!Parent Review1y ago - Hill City High School - 01
- 9-12
- Public
- 152 Students
9/10GreatSchools RatingParent Rating AverageThis school is only good if you are a white, male, straight athlete. All others are not welcome. No AP courses or languages offered. Science is limited. IEP’s are largely ignored. Bullying is rampant with the Administration turning a blind eye. Some teachers are blatantly hostile to students. No extracurricular activities outside of sports.Parent Review9mo ago - Hill City Middle School - 04
- 6-8
- Public
- 120 Students
6/10GreatSchools RatingParent Rating Average
No reviews available for this school. 
Check out schools near 503 Blair St.
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.
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Off Market Homes Near 503 Blair St
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SOLDSEP 29, 2025
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OFF MARKET- See more homes for sale inKeystone
503 Blair St, Keystone, SD 57751 is a 2 bedroom, 2 bathroom, 1,400 sqft single-family home built in 1982. This property is not currently available for sale. The current Trulia Estimate for 503 Blair St is $411,100.