646 Washington St
Hackettstown, NJ 07840
— ba 2,858 sqft Built 1900 Lot 8,999 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 | $169,200 | $105,800 | $275,000 | $9,561 |
| 2024 | $169,200 | $105,800 | $275,000 | $9,402 |
| 2023 | $169,200 | $105,800 | $275,000 | $9,278 |
| 2022 | $169,200 | $105,800 | $275,000 | $8,976 |
| 2021 | $169,200 | $105,800 | $275,000 | $8,789 |
| 2020 | $169,200 | $105,800 | $275,000 | $8,604 |
| 2019 | $169,200 | $105,800 | $275,000 | $8,316 |
| 2018 | $220,900 | $105,800 | $326,700 | $9,879 |
| 2017 | $272,200 | $105,800 | $378,000 | $11,207 |
| 2016 | $272,200 | $105,800 | $378,000 | $11,022 |
| 2015 | $272,200 | $105,800 | $378,000 | $10,561 |
| 2014 | $272,200 | $105,800 | $378,000 | $10,217 |
| 2013 | $272,200 | $105,800 | $378,000 | $9,869 |
| 2012 | $272,200 | $105,800 | $378,000 | $9,574 |
| 2011 | $272,200 | $105,800 | $378,000 | $9,393 |
| 2009 | $142,300 | $69,900 | $212,200 | $9,010 |
| 2008 | $142,300 | $69,900 | $212,200 | $8,819 |
| 2007 | $142,300 | $69,900 | $212,200 | $8,445 |
Property facts
Year built
1900
Property type
single_family
Stories
3
Beds
—
Baths
—
Living area
2,858 sqft
Lot size
8,999 sqft
ZIP code
07840
City
Hackettstown
Street
Washington St
Coordinates
40.84869, -74.82649
Comparable properties nearby
Frequently asked questions
When did 646 Washington St last sell?
No public-record sale is on file for 646 Washington St.
What is the current tax assessment for 646 Washington St?
The most recent total assessment for 646 Washington St (year 2025) is $275,000 with $9,561 in property tax.
When was 646 Washington St built?
646 Washington St was built in 1900.
How does 646 Washington St compare to others on Washington St?
We track 8 other properties on Washington St. Browse the list under "Other properties on Washington St" to compare beds, baths, and sale history.
What are the property facts for 646 Washington St?
646 Washington St is a — bath, 2,858 sqft, 8,999 sqft lot single_family.
Is 646 Washington St a flip candidate?
No — 646 Washington St does not appear in our flips dataset.
Is 646 Washington St a tax-appeal candidate?
No — 646 Washington 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
+0.2%
Implied 1-yr
+0.8%
2026 Q3
$473.8K
2026 Q4
$474.8K
ZIP 07840 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Washington St