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530 South Ave

Dunellen Borough, NJ · Middlesex County · Commercial · Block 53, Lot 1.01

Watchdog Score

How it works
60/100

Typical or mixed tax position

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

  • RRecourse68
  • OOverassessment Positionn/a
  • BBurden49
  • UUniformity77
  • SStabilityn/a
  • TTrajectoryn/a

Property tax

Compare towns
$14,4392024 tax bill
$14,0932025 at new rate
$575,700Assessed value
$12,219Dunellen Borough median
$2.4482025 rate

Among 99 commercial properties in Dunellen Borough, the typical (median) tax bill is $12,219. This bill is higher than about 57% of them.

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

Rates start in 2019, the first year after the last town-wide revaluation.

Sales

Nearby sales
$10 on December 26, 2012This property's last sale
3Similar sales since 2024
$650,000Median 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
656 Bound Brook RdNov 2024$380,0001953
422 North AveMar 2024$650,0001925
205 No Washington AveDec 2024$850,0001980

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

Property record

Block / lot
53 / 1.01
Property class
Commercial (4A)
Year built
1913
Building
1SCB&2SCB
Dwelling units
1
Land value
$163,900
Improvement value
$411,800
County
Middlesex County

Same block

  • 564-566 South Ave$12,568 tax
  • 570 South Ave$8,359 tax
  • 582 South Ave$12,791 tax
  • 580 South Ave$10,684 tax
  • 578 South Ave$11,309 tax
  • 131 Pulaski St$2,809 tax
  • 129 Pulaski Street$1,495 tax
  • 538 South Ave$9,024 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 530 South Ave changes. Unsubscribe any time.

Property report (PDF)

A printable report for 530 South Ave: tax and assessment, the Watchdog Score, how the bill compares in Dunellen Borough, recent nearby sales and appeal dates.

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Questions

How much are the property taxes at 530 South Ave?

The latest annual property tax on the New Jersey tax list is $14,439, on an assessed value of $575,700.

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

Among 99 commercial properties in Dunellen Borough, the typical (median) tax bill is $12,219. This bill is higher than about 57% 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 60 (Typical or mixed 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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