640 Prospect Ave
Princeton, NJ 08540
5 bd 4 ba 2,798 sqft Built 1950 Lot 21,344 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 | $345,000 | $548,000 | $893,000 | $24,405 |
| 2024 | $345,000 | $548,000 | $893,000 | $23,780 |
| 2023 | $345,000 | $548,000 | $893,000 | $22,450 |
| 2022 | $345,000 | $548,000 | $893,000 | $21,717 |
| 2021 | $345,000 | $548,000 | $893,000 | $21,780 |
| 2020 | $345,000 | $548,000 | $893,000 | $21,610 |
| 2019 | $345,000 | $548,000 | $893,000 | $21,181 |
| 2018 | $345,000 | $548,000 | $893,000 | $20,824 |
| 2017 | $345,000 | $548,000 | $893,000 | $20,539 |
| 2016 | $175,800 | $548,000 | $723,800 | $16,386 |
| 2015 | $221,100 | $498,000 | $719,100 | $15,906 |
| 2014 | $221,100 | $498,000 | $719,100 | $15,712 |
| 2013 | $221,100 | $498,000 | $719,100 | $15,324 |
| 2012 | $221,100 | $548,000 | $769,100 | $15,728 |
| 2011 | $221,100 | $548,000 | $769,100 | $15,112 |
| 2010 | $243,500 | $573,000 | $816,500 | $15,815 |
| 2009 | $265,700 | $142,000 | $407,700 | $14,791 |
| 2008 | $265,700 | $142,000 | $407,700 | $14,538 |
| 2007 | $265,700 | $142,000 | $407,700 | $14,187 |
Property facts
Year built
1950
Property type
single_family
Stories
—
Beds
5
Baths
4
Living area
2,798 sqft
Lot size
21,344 sqft
ZIP code
08540
City
Princeton
Street
Prospect Ave
Coordinates
40.36136, -74.62886
Comparable properties nearby
Frequently asked questions
When did 640 Prospect Ave last sell?
No public-record sale is on file for 640 Prospect Ave.
What is the current tax assessment for 640 Prospect Ave?
The most recent total assessment for 640 Prospect Ave (year 2025) is $893,000 with $24,405 in property tax.
When was 640 Prospect Ave built?
640 Prospect Ave was built in 1950.
How does 640 Prospect Ave compare to others on Prospect Ave?
We track 8 other properties on Prospect Ave. Browse the list under "Other properties on Prospect Ave" to compare beds, baths, and sale history.
What are the property facts for 640 Prospect Ave?
640 Prospect Ave is a 5 bed, 4 bath, 2,798 sqft, 21,344 sqft lot single_family.
Is 640 Prospect Ave a flip candidate?
No — 640 Prospect Ave does not appear in our flips dataset.
Is 640 Prospect Ave a tax-appeal candidate?
No — 640 Prospect Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+6.6%
Implied 1-yr
+26.6%
2026 Q3
$2.54M
2026 Q4
$2.54M
ZIP 08540 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Prospect Ave