646 William St
Bethlehem, PA 18015
3 bd 1 ba 1,683 sqft Built 1916 Lot 2,000 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 | $27,600 | $5,600 | $33,200 | $3,107 |
| 2024 | $27,700 | $5,600 | $33,300 | $2,951 |
| 2023 | $27,700 | $5,600 | $33,300 | $2,943 |
| 2022 | $27,700 | $5,600 | $33,300 | $2,920 |
| 2021 | $27,700 | $5,600 | $33,300 | $2,900 |
| 2020 | $27,700 | $5,600 | $33,300 | $2,873 |
| 2019 | $27,700 | $5,600 | $33,300 | $2,863 |
| 2018 | $27,700 | $5,600 | $33,300 | $2,793 |
| 2017 | $27,700 | $5,600 | $33,300 | $2,760 |
| 2016 | $27,700 | $5,600 | $33,300 | $2,712 |
| 2015 | $27,700 | $5,600 | $33,300 | $2,648 |
| 2014 | $27,700 | $5,600 | $33,300 | $2,485 |
| 2013 | $27,700 | $5,600 | $33,300 | $2,443 |
| 2012 | $27,700 | $5,600 | $33,300 | $2,408 |
| 2011 | $27,700 | $5,600 | $33,300 | $2,336 |
| 2010 | $27,700 | $5,600 | $33,300 | $2,315 |
| 2009 | $27,700 | $5,600 | $33,300 | $2,204 |
| 2008 | $27,700 | $5,600 | $33,300 | $2,147 |
Property facts
Year built
1916
Property type
single_family
Stories
2
Beds
3
Baths
1
Living area
1,683 sqft
Lot size
2,000 sqft
ZIP code
18015
City
Bethlehem
Street
William St
Coordinates
40.60892, -75.35290
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 646 William St last sell?
No public-record sale is on file for 646 William St.
What is the current tax assessment for 646 William St?
The most recent total assessment for 646 William St (year 2026) is $33,200 with $3,107 in property tax.
When was 646 William St built?
646 William St was built in 1916.
How does 646 William St compare to others on William St?
We track 8 other properties on William St. Browse the list under "Other properties on William St" to compare beds, baths, and sale history.
What are the property facts for 646 William St?
646 William St is a 3 bed, 1 bath, 1,683 sqft, 2,000 sqft lot single_family.
Is 646 William St a flip candidate?
No — 646 William St does not appear in our flips dataset.
Is 646 William St a tax-appeal candidate?
No — 646 William 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
-4.7%
Implied 1-yr
-18.9%
2026 Q3
$369.5K
2026 Q4
$344.3K
ZIP 18015 — Median Price History + Forecast
Explore nearby
Geography
Other properties on William St