NJ ANCHOR Support★ out of 5 stars Real Estate Agents
Your Watchdog

My dashboard
Check ANCHOR and Stay NJ How NJ appeals work
See homes on this block

603 Johnston Ave

Hamilton Township, NJ · Mercer County · Residential · Block 1878, Lot 1

Watchdog Score

How it works
74/100

Favorable tax position

The Watchdog Score, powered by the ROBUST Framework. Evidence coverage 85%, high confidence.

  • RRecourse90
  • OOverassessment Position100
  • BBurden60
  • UUniformity63
  • SStabilityn/a
  • TTrajectory68

Property tax

Compare towns
$7,7392024 tax bill
$8,1432025 at new rate
$219,600Assessed value
$7,333Hamilton Township median
$3.7082025 rate

Among 29,413 homes in Hamilton Township, the typical (median) tax bill is $7,333. This bill is higher than about 56% of them.

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

Sales

Nearby sales
$415,000 on April 13, 2023This property's last sale
1,207Similar sales since 2023
$385,000Median 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.

Claim this home Add a photo

Recent sales nearby

AddressSoldPriceBuilt
723 Johnston AveSame streetJan 2024$250,0001954
492 Johnston AveSame streetAug 2024$145,0001925
442 Johnston AveSame streetMay 2024$297,0001943
494 Johnston AveSame streetNov 2023$245,0001925
225 Johnston AveSame streetApr 2024$320,0001925
638 Norway AveMar 2024$200,0001900

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 Hamilton Township.
  • Hamilton Township property taxesTypical bill, tax rate and appeal deadline for the town.
  • MapOpen this address in Google Maps.

Property record

Block / lot
1878 / 1
Property class
Residential (2)
Year built
1925
Building
2-2SF-4F
Dwelling units
4
Lot size
0.06 acres
Land value
$22,000
Improvement value
$197,600
County
Mercer County

Same block

  • 638 Norway Ave$3,390 tax
  • 636 Norway Ave$3,172 tax
  • 632 Norway Ave$3,161 tax
  • 630 Norway Ave$3,616 tax
  • 620 Norway Ave$3,288 tax
  • 618 Norway Ave$3,246 tax
  • 608 Norway Ave$5,043 tax
  • 605 Johnston Ave$3,362 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 603 Johnston Ave changes. Unsubscribe any time.

Property report (PDF)

A printable report for 603 Johnston Ave: tax and assessment, the Watchdog Score, how the bill compares in Hamilton Township, recent nearby sales and appeal dates.

Share

TextEmailFacebookXLinkedIn

Questions

How much are the property taxes at 603 Johnston Ave?

The latest annual property tax on the New Jersey tax list is $7,739, on an assessed value of $219,600.

How does this tax bill compare with others in Hamilton Township?

Among 29,413 homes in Hamilton Township, the typical (median) tax bill is $7,333. This bill is higher than about 56% 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 74 (Favorable 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
Privacy Terms Contact