8420 Blackstone St
Johnston, IA 50131
4 bd 4 ba 3,122 sqft Built 1996 Lot 14,723 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $496,900 | $98,100 | $595,000 | $9,018 |
| 2023 | $436,300 | $85,600 | $521,900 | $7,926 |
| 2022 | $351,600 | $73,000 | $424,600 | $8,856 |
| 2021 | $351,600 | $73,000 | $424,600 | $8,896 |
| 2020 | $336,400 | $69,900 | $406,300 | $7,722 |
| 2019 | $281,100 | $69,900 | $351,000 | $7,956 |
| 2018 | $278,700 | $65,100 | $343,800 | $7,748 |
| 2017 | $278,700 | $65,100 | $343,800 | $7,348 |
| 2016 | $260,200 | $59,900 | $320,100 | $7,190 |
| 2015 | $260,200 | $59,900 | $320,100 | $6,850 |
| 2014 | $245,900 | $55,500 | $301,400 | $6,606 |
| 2013 | $245,900 | $55,500 | $301,400 | $6,174 |
| 2012 | $246,400 | $55,500 | $301,900 | $5,932 |
| 2011 | $246,400 | $55,500 | $301,900 | $5,476 |
| 2010 | $237,400 | $56,000 | $293,400 | $5,308 |
| 2009 | $237,400 | $56,000 | $293,400 | $5,132 |
| 2008 | $237,400 | $56,000 | $293,400 | $4,958 |
| 2007 | $237,400 | $56,000 | $293,400 | $5,112 |
Property facts
Year built
1996
Property type
single_family
Stories
2
Beds
4
Baths
4
Living area
3,122 sqft
Lot size
14,723 sqft
ZIP code
50131
City
Johnston
Street
Blackstone St
Coordinates
41.66722, -93.73410
Comparable properties nearby
Frequently asked questions
When did 8420 Blackstone St last sell?
No public-record sale is on file for 8420 Blackstone St.
What is the current tax assessment for 8420 Blackstone St?
The most recent total assessment for 8420 Blackstone St (year 2025) is $595,000 with $9,018 in property tax.
When was 8420 Blackstone St built?
8420 Blackstone St was built in 1996.
How does 8420 Blackstone St compare to others on Blackstone St?
We track 1 other property on Blackstone St. Browse the list under "Other properties on Blackstone St" to compare beds, baths, and sale history.
What are the property facts for 8420 Blackstone St?
8420 Blackstone St is a 4 bed, 4 bath, 3,122 sqft, 14,723 sqft lot single_family.
Is 8420 Blackstone St a flip candidate?
No — 8420 Blackstone St does not appear in our flips dataset.
Is 8420 Blackstone St a tax-appeal candidate?
No — 8420 Blackstone St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-0.6%
Implied 1-yr
-2.4%
2026 Q3
$436K
2026 Q4
$433.3K
ZIP 50131 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Blackstone St