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309 St Marks Ave

Piscataway Township, NJ · Middlesex County · Residential · Block 2301, Lot 13.01

Watchdog Score

How it works
88/100

Strong tax position

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

  • RRecourse68
  • OOverassessment Positionn/a
  • BBurden95
  • UUniformity88
  • SStabilityn/a
  • TTrajectoryn/a

Property tax

Compare towns
$5,775Latest annual tax
$6,9092025 estimate
$394,800Assessed value
$8,136Piscataway Township median
$1.7502025 rate

Among 13,591 homes in Piscataway Township, the typical (median) tax bill is $8,136. This bill is lower than about 94% of them.

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

Sales

Nearby sales
No recorded sale priceThis property's last sale
518Similar sales since 2023
$515,000Median 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
244 St Marks AveSame streetDec 2023$500,0001958
39 Lucille CtNov 2024$910,0001999
26 Lucille CtJul 2024$935,0002001
223 Grandview AveMar 2024$999,0001956
6 Bret StSep 2024$487,5001929
15 Harte PlJun 2024$629,0001964

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

Property record

Block / lot
2301 / 13.01
Property class
Residential (2)
Year built
1959
Building
1SF
Dwelling units
1
Lot size
0.35 acres
Land value
$286,800
Improvement value
$108,000
County
Middlesex County

Same block

  • 323 St Marks Ave$12,047 tax
  • 319 St Marks Ave$7,705 tax
  • 354 Hamilton Blvd$7,732 tax
  • 360 Hamilton Blvd$8,280 tax
  • 301 St Marks Ave$10,281 tax
  • 100 Dupont Ave$6,134 tax
  • 390 Hamilton Blvd$9,372 tax
  • 102 Dupont Ave$6,606 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 309 St Marks Ave changes. Unsubscribe any time.

Property report (PDF)

A printable report for 309 St Marks Ave: tax and assessment, the Watchdog Score, how the bill compares in Piscataway Township, recent nearby sales and appeal dates.

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Questions

How much are the property taxes at 309 St Marks Ave?

The latest annual property tax on the New Jersey tax list is $5,775, on an assessed value of $394,800.

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

Among 13,591 homes in Piscataway Township, the typical (median) tax bill is $8,136. This bill is lower than about 94% 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 88 (Strong 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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