637 Union St
Allentown, PA 18101
3 bd 1 ba 1,206 sqft Built 1900 Lot 1,840 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 | $54,400 | $6,700 | $61,100 | $2,030 |
| 2024 | $54,400 | $6,700 | $61,100 | $3,052 |
| 2023 | $54,400 | $6,700 | $61,100 | $3,052 |
| 2022 | $54,400 | $6,700 | $61,100 | $1,944 |
| 2021 | $54,400 | $6,700 | $61,100 | $1,906 |
| 2020 | $54,400 | $6,700 | $61,100 | $1,857 |
| 2019 | $54,400 | $6,700 | $61,100 | $1,827 |
| 2018 | $54,400 | $6,700 | $61,100 | $1,701 |
| 2017 | $54,400 | $6,700 | $61,100 | $1,659 |
| 2016 | $54,400 | $6,700 | $61,100 | $1,661 |
| 2015 | $54,400 | $6,700 | $61,100 | $1,662 |
| 2014 | $54,400 | $6,700 | $61,100 | $2,417 |
| 2013 | $54,400 | $6,700 | $61,100 | $2,371 |
| 2012 | $15,450 | $1,850 | $17,300 | $17,456 |
| 2011 | $15,450 | $1,850 | $17,300 | $1,296 |
| 2010 | $15,450 | $1,850 | $17,300 | $1,179 |
| 2009 | $15,450 | $1,850 | $17,300 | $1,179 |
| 2008 | $15,450 | $1,850 | $17,300 | $1,179 |
Property facts
Year built
1900
Property type
single_family
Stories
3
Beds
3
Baths
1
Living area
1,206 sqft
Lot size
1,840 sqft
ZIP code
18101
City
Allentown
Street
Union St
Coordinates
40.59972, -75.46988
Comparable properties nearby
Frequently asked questions
When did 637 Union St last sell?
No public-record sale is on file for 637 Union St.
What is the current tax assessment for 637 Union St?
The most recent total assessment for 637 Union St (year 2026) is $61,100 with $2,030 in property tax.
When was 637 Union St built?
637 Union St was built in 1900.
How does 637 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 637 Union St?
637 Union St is a 3 bed, 1 bath, 1,206 sqft, 1,840 sqft lot single_family.
Is 637 Union St a flip candidate?
No — 637 Union St does not appear in our flips dataset.
Is 637 Union St a tax-appeal candidate?
No — 637 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
+0.7%
Implied 1-yr
+2.9%
2026 Q3
$271.8K
2026 Q4
$273.7K
ZIP 18101 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Union St