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306 Cook Ave

Middlesex Borough, NJ · Middlesex County · Residential · Block 188, Lot 40

Watchdog Score

How it works
75/100

Favorable tax position

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

  • RRecourse68
  • OOverassessment Positionn/a
  • BBurden75
  • UUniformity79
  • SStabilityn/a
  • TTrajectoryn/a

Property tax

Compare towns
$8,004Latest annual tax
$9,1842025 estimate
$433,200Assessed 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 lower than about 84% 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
$400,000 on March 19, 2024This property's last sale
212Similar sales since 2023
$450,000Median price

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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
424 Cook AveSame streetFeb 2024$505,0001952
130 Cook AveSame streetOct 2023$725,0002023
704 Cook AveSame streetJul 2024$205,0001986
619 Cook AveSame streetOct 2023$538,0001967
305 Harris AveNov 2024$378,0001946
337 Harris AveMay 2024$350,0001946

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
188 / 40
Property class
Residential (2)
Year built
1950
Building
1SFG
Dwelling units
1
Lot size
0.15 acres
Land value
$137,500
Improvement value
$295,700
County
Middlesex County

Same block

  • 305 Giles Ave$8,974 tax
  • 309 Giles Ave$8,522 tax
  • 325 Giles Ave$7,807 tax
  • 329 Giles Ave$8,185 tax
  • 333 Giles Ave$7,923 tax
  • 337 Giles Ave$7,296 tax
  • 341 Giles Ave$7,805 tax
  • 345 Giles Ave$8,124 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 306 Cook Ave changes. Unsubscribe any time.

Property report (PDF)

A printable report for 306 Cook 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 306 Cook Ave?

The latest annual property tax on the New Jersey tax list is $8,004, on an assessed value of $433,200.

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 lower than about 84% 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 75 (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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