40 Mercer St
Princeton, NJ 08540
3 bd 6 ba Built 1825 Lot 5,942 sqft duplex_triplex
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 | $508,600 | $528,000 | $1,036,600 | $28,330 |
| 2024 | $508,600 | $528,000 | $1,036,600 | $27,604 |
| 2023 | $508,600 | $528,000 | $1,036,600 | $26,060 |
| 2022 | $508,600 | $528,000 | $1,036,600 | $25,210 |
| 2021 | $508,600 | $528,000 | $1,036,600 | $25,282 |
| 2020 | $508,600 | $528,000 | $1,036,600 | $25,085 |
| 2019 | $370,100 | $463,000 | $833,100 | $19,761 |
| 2018 | $370,100 | $463,000 | $833,100 | $19,427 |
| 2017 | $370,100 | $463,000 | $833,100 | $19,161 |
| 2016 | $370,100 | $463,000 | $833,100 | $18,861 |
| 2015 | $370,100 | $463,000 | $833,100 | $18,428 |
| 2014 | $370,100 | $463,000 | $833,100 | $18,203 |
| 2013 | $370,100 | $463,000 | $833,100 | $17,753 |
| 2012 | $370,100 | $463,000 | $833,100 | $17,536 |
| 2011 | $370,100 | $463,000 | $833,100 | $17,003 |
| 2010 | $346,100 | $463,000 | $809,100 | $16,392 |
| 2009 | $374,600 | $226,000 | $600,600 | $25,765 |
| 2008 | $374,600 | $226,000 | $600,600 | $24,996 |
| 2007 | $374,600 | $226,000 | $600,600 | $23,543 |
Property facts
Year built
1825
Property type
duplex_triplex
Stories
3
Beds
3
Baths
6
Living area
—
Lot size
5,942 sqft
ZIP code
08540
City
Princeton
Street
Mercer St
Coordinates
40.34660, -74.66420
Frequently asked questions
When did 40 Mercer St last sell?
No public-record sale is on file for 40 Mercer St.
What is the current tax assessment for 40 Mercer St?
The most recent total assessment for 40 Mercer St (year 2025) is $1,036,600 with $28,330 in property tax.
When was 40 Mercer St built?
40 Mercer St was built in 1825.
How does 40 Mercer St compare to others on Mercer St?
We track 8 other properties on Mercer St. Browse the list under "Other properties on Mercer St" to compare beds, baths, and sale history.
What are the property facts for 40 Mercer St?
40 Mercer St is a 3 bed, 6 bath, 5,942 sqft lot duplex_triplex.
Is 40 Mercer St a flip candidate?
No — 40 Mercer St does not appear in our flips dataset.
Is 40 Mercer St a tax-appeal candidate?
No — 40 Mercer 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 Mercer St