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743 Prospect Ave

Princeton, NJ · Mercer County · Residential · Block 5901, Lot 20

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
$30,5342024 tax bill
$31,3372025 at new rate
$1,146,600Assessed value
$20,124Princeton median
$2.7332025 rate

Among 6,839 homes in Princeton, the typical (median) tax bill is $20,124. This bill is higher than about 79% of them.

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

Sales

Nearby sales
$1,060,000 on April 14, 2021This property's last sale
305Similar sales since 2023
$1,300,000Median price

Is this your home?

Claim it to follow its assessment, tax and score in your Watchdog account. Once ownership is verified, you can add a photo that shows wherever this address appears on Watchdog.

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Recent sales nearby

AddressSoldPriceBuilt
753 Prospect AveSame streetJun 2024$2,025,0001979
664 Prospect AveSame streetSep 2024$2,097,5001950
694 Prospect AveSame streetJul 2024$2,749,0002023
710 Prospect AveSame streetMay 2024$1,300,0001971
164 Prospect AveSame streetJun 2024$3,650,0002023
38 Evergreen CircleNov 2024$1,270,0001962

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
5901 / 20
Property class
Residential (2)
Year built
1941
Building
1S F 1G
Dwelling units
1
Lot size
0.49 acres
Land value
$1,009,500
Improvement value
$137,100
County
Mercer County

Same block

  • 601 Prospect Ave$19,973 tax
  • 681 Prospect Ave$39,793 tax
  • 689 Prospect Ave$42,027 tax
  • 697 Prospect Ave$42,904 tax
  • 713 Prospect Ave$62,826 tax
  • 721 Prospect Ave$31,679 tax
  • 739 Prospect Ave$37,282 tax
  • 491 Riverside Dr$67,004 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 743 Prospect Ave changes. Unsubscribe any time.

Property report (PDF)

A printable report for 743 Prospect Ave: 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 743 Prospect Ave?

The latest annual property tax on the New Jersey tax list is $30,534, on an assessed value of $1,146,600.

How does this tax bill compare with others in Princeton?

Among 6,839 homes in Princeton, the typical (median) tax bill is $20,124. This bill is higher than about 79% 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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