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433 Decatur Ave

Middlesex Borough, NJ · Middlesex County · Residential · Block 171, Lot 36

Watchdog Score

How it works
68/100

Favorable tax position

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

  • RRecourse68
  • OOverassessment Positionn/a
  • BBurden62
  • UUniformity79
  • SStabilityn/a
  • TTrajectoryn/a

Property tax

Compare towns
$10,906Latest annual tax
$10,6742025 estimate
$503,500Assessed value
$9,667Middlesex Borough median
$2.1202025 rate

Among 4,176 homes in Middlesex Borough, the typical (median) tax bill is $9,667. This bill is higher than about 69% of them.

Town tax rate per $100
  • 23
  • 24
  • 25

Rates start in 2023, the first year after the last town-wide revaluation.

Sales

Nearby sales
$325,000 on August 19, 2008This property's last sale
213Similar sales since 2023
$450,000Median price

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Recent sales nearby

AddressSoldPriceBuilt
401 Decatur AveSame streetNov 2023$460,0001955
434 Clinton AveOct 2024$521,0001955
400 Clinton AveFeb 2024$410,0001955
408 Fairview AveNov 2023$510,0001945
429 Fairview AveSep 2024$460,0001939
413 Fairview AveAug 2024$491,0001947

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

Property record

Block / lot
171 / 36
Property class
Residential (2)
Year built
1955
Building
1SFCP
Dwelling units
1
Lot size
0.14 acres
Land value
$136,600
Improvement value
$366,900
County
Middlesex County

Same block

  • 400 Clinton Ave$8,914 tax
  • 416 Clinton Ave$11,508 tax
  • 418 Clinton Ave$10,304 tax
  • 422 Clinton Ave$9,240 tax
  • 426 Clinton Ave$9,578 tax
  • 430 Clinton Ave$10,408 tax
  • 434 Clinton Ave$10,561 tax
  • 437 Decatur Ave.$9,369 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 433 Decatur Ave changes. Unsubscribe any time.

Property report (PDF)

A printable report for 433 Decatur Ave: tax and assessment, the Watchdog Score, how the bill compares in Middlesex Borough, recent nearby sales and appeal dates.

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Questions

How much are the property taxes at 433 Decatur Ave?

The latest annual property tax on the New Jersey tax list is $10,906, on an assessed value of $503,500.

How does this tax bill compare with others in Middlesex Borough?

Among 4,176 homes in Middlesex Borough, the typical (median) tax bill is $9,667. This bill is higher than about 69% 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 68 (Favorable tax position).

Can the assessment be appealed?

Yes. Appeals go to the Middlesex 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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