40 Union St
Princeton, NJ 08540
6 bd — ba 3,201 sqft Built 1990 Lot 17,062 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 | $551,200 | $317,000 | $868,200 | $14,985 |
| 2024 | $551,200 | $317,000 | $868,200 | $12,660 |
| 2023 | $377,100 | $268,600 | $645,700 | $12,578 |
| 2022 | $377,100 | $218,600 | $595,700 | $12,235 |
| 2021 | $377,100 | $168,600 | $545,700 | $12,174 |
| 2020 | $377,100 | $158,600 | $535,700 | $12,219 |
| 2019 | $335,600 | $158,600 | $494,200 | $11,371 |
| 2018 | $335,600 | $158,600 | $494,200 | $11,475 |
| 2017 | $335,600 | $158,600 | $494,200 | $11,504 |
| 2016 | $335,600 | $158,600 | $494,200 | $11,593 |
| 2015 | $335,600 | $158,600 | $494,200 | $11,495 |
| 2014 | $335,600 | $168,600 | $504,200 | $11,520 |
| 2013 | $335,600 | $168,600 | $504,200 | $11,364 |
| 2012 | $335,600 | $168,600 | $504,200 | $11,016 |
| 2011 | $335,600 | $168,600 | $504,200 | $10,588 |
| 2009 | $335,600 | $168,600 | $504,200 | $9,342 |
| 2008 | $352,800 | $170,300 | $523,100 | $10,195 |
| 2007 | $352,800 | $170,300 | $523,100 | $10,001 |
Property facts
Year built
1990
Property type
single_family
Stories
—
Beds
6
Baths
—
Living area
3,201 sqft
Lot size
17,062 sqft
ZIP code
08540
City
Princeton
Street
Union St
Coordinates
40.37881, -74.61196
Comparable properties nearby
Frequently asked questions
When did 40 Union St last sell?
No public-record sale is on file for 40 Union St.
What is the current tax assessment for 40 Union St?
The most recent total assessment for 40 Union St (year 2025) is $868,200 with $14,985 in property tax.
When was 40 Union St built?
40 Union St was built in 1990.
How does 40 Union St compare to others on Union St?
We track 1 other property 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 40 Union St?
40 Union St is a 6 bed, — bath, 3,201 sqft, 17,062 sqft lot single_family.
Is 40 Union St a flip candidate?
No — 40 Union St does not appear in our flips dataset.
Is 40 Union St a tax-appeal candidate?
No — 40 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
+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 Union St