2521 Union St
Allentown, PA 18104
4 bd 2 ba 1,812 sqft Built 1928 Lot 8,400 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 |
|---|---|---|---|---|
| 2026 | $133,000 | $29,800 | $162,800 | $5,646 |
| 2024 | $133,000 | $29,800 | $162,800 | $8,133 |
| 2023 | $133,000 | $29,800 | $162,800 | $8,133 |
| 2022 | $133,000 | $29,800 | $162,800 | $5,409 |
| 2021 | $133,000 | $29,800 | $162,800 | $5,307 |
| 2020 | $133,000 | $29,800 | $162,800 | $5,177 |
| 2019 | $133,000 | $29,800 | $162,800 | $5,098 |
| 2018 | $133,000 | $29,800 | $162,800 | $4,715 |
| 2017 | $133,000 | $29,800 | $162,800 | $4,602 |
| 2016 | $133,000 | $29,800 | $162,800 | $4,608 |
| 2015 | $133,000 | $29,800 | $162,800 | $4,609 |
| 2014 | $133,000 | $29,800 | $162,800 | $6,441 |
| 2013 | $133,000 | $29,800 | $162,800 | $6,318 |
| 2012 | $35,000 | $10,000 | $45,000 | $45,405 |
| 2011 | $35,000 | $10,000 | $45,000 | $3,578 |
| 2010 | $35,000 | $10,000 | $45,000 | $3,272 |
| 2009 | $35,000 | $10,000 | $45,000 | $3,272 |
| 2008 | $35,000 | $10,000 | $45,000 | $3,272 |
Property facts
Year built
1928
Property type
single_family
Stories
3
Beds
4
Baths
2
Living area
1,812 sqft
Lot size
8,400 sqft
ZIP code
18104
City
Allentown
Street
Union St
Coordinates
40.58940, -75.50880
Comparable properties nearby
Frequently asked questions
When did 2521 Union St last sell?
No public-record sale is on file for 2521 Union St.
What is the current tax assessment for 2521 Union St?
The most recent total assessment for 2521 Union St (year 2026) is $162,800 with $5,646 in property tax.
When was 2521 Union St built?
2521 Union St was built in 1928.
How does 2521 Union St compare to others on Union St?
We track 8 other properties on Union St. Browse the list under "Other properties on Union St" to compare beds, baths, and sale history.
What are the property facts for 2521 Union St?
2521 Union St is a 4 bed, 2 bath, 1,812 sqft, 8,400 sqft lot single_family.
Is 2521 Union St a flip candidate?
No — 2521 Union St does not appear in our flips dataset.
Is 2521 Union St a tax-appeal candidate?
No — 2521 Union 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
+4.5%
Implied 1-yr
+17.9%
2026 Q3
$584.7K
2026 Q4
$605K
ZIP 18104 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Union St