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342 Nassau Street

Princeton, NJ · Mercer County · Commercial · Block 34.01, Lot 14

Watchdog Score

How it works
83/100

Strong tax position

The Watchdog Score, powered by the ROBUST Framework. Evidence coverage 55%, low confidence.

  • RRecourse90
  • OOverassessment Positionn/a
  • BBurden80
  • UUniformity85
  • SStabilityn/a
  • TTrajectoryn/a

Property tax

Compare towns
$21,4642024 tax bill
$22,0282025 at new rate
$806,000Assessed value
$33,241Princeton median
$2.7332025 rate

Among 316 commercial properties in Princeton, the typical (median) tax bill is $33,241. This bill is lower than about 68% of them.

Town tax rate per $100
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25

Sales

Nearby sales
$1,080,000 on May 10, 2021This property's last sale
8Similar sales since 2024
$4,092,500Median price

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Recent sales nearby

AddressSoldPriceBuilt
343-345 Nassau StreetSame streetApr 2024$3,050,000
32 Chambers StreetMar 2024$1,675,0001920
166 Bunn Drive Unit #107Apr 2024$295,000
166 Bunn Drive Unit #108Apr 2024$295,000
4321 Province Line RdJul 2024$26,018,6291980
815 Lawrenceville RoadJul 2024$26,018,6291987

Same property type in the same town, same street first. Prices come from the state tax list, which runs about a year behind, and can include sales between relatives or other non-market transfers.

Homeowner tools

  • Could an appeal lower this bill?The appeal estimator opens with this property's assessment and the town tax rate filled in.
  • Appeal deadlinesUsually April 1 (May 1 after a town-wide revaluation), or 45 days after assessment notices go out if later.
  • ANCHOR, Senior Freeze and Stay NJCheck which state property tax relief programs apply.
  • Buying here?Monthly cost with the real tax bill included.
  • Selling? CO requirementsResale certificate of occupancy and smoke detector certificate rules for Princeton.
  • Princeton property taxesTypical bill, tax rate and appeal deadline for the town.
  • MapOpen this address in Google Maps.

Property record

Block / lot
34.01 / 14
Property class
Commercial (4A)
Year built
1900
Building
2SSTG2
Dwelling units
2
Lot size
0.13 acres
Land value
$508,000
Improvement value
$298,000
County
Mercer County

Same block

  • 298 Nassau Street$38,992 tax
  • 5 Evelyn Place$23,032 tax
  • 3 Evelyn Place$39,319 tax
  • 1 Evelyn Place$30,646 tax
  • 14 North Harrison Street$41,727 tax

Get alerts for this property

We check the state tax list once a month and email you if the assessment, tax bill or Watchdog Score for 342 Nassau Street changes. Unsubscribe any time.

Property report (PDF)

A printable report for 342 Nassau Street: tax and assessment, the Watchdog Score, how the bill compares in Princeton, recent nearby sales and appeal dates.

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Questions

How much are the property taxes at 342 Nassau Street?

The latest annual property tax on the New Jersey tax list is $21,464, on an assessed value of $806,000.

How does this tax bill compare with others in Princeton?

Among 316 commercial properties in Princeton, the typical (median) tax bill is $33,241. This bill is lower than about 68% of them.

What is the Watchdog Score?

The Watchdog Score, powered by the ROBUST Framework, rates a property's tax position from 0 to 100 using six kinds of public evidence. Higher is better. This property scores 83 (Strong tax position).

Can the assessment be appealed?

Yes. Appeals go to the Mercer County Board of Taxation. In most towns the deadline is April 1 (May 1 after a town-wide revaluation), or 45 days after assessment notices are mailed if that is later.

Does Watchdog show who owns this property?

No. Watchdog does not show owner names or mailing addresses. Everything on this page comes from public tax and parcel records.

Source: New Jersey MOD-IV tax list and NJ Office of GIS parcel data, refreshed monthly (last refresh October 2026). Town tax rates from the NJ Division of Taxation. Watchdog does not show owner names. How we get our numbers

Photo by Zac Gudakov on Unsplash
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