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507 Dolores Ave

South Plainfield Borough, NJ · Middlesex County · Residential · Block 75, Lot 14

Watchdog Score

How it works
70/100

Favorable tax position

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

  • RRecourse68
  • OOverassessment Positionn/a
  • BBurden73
  • UUniformity67
  • SStabilityn/a
  • TTrajectoryn/a

Property tax

Compare towns
$7,4082024 tax bill
$7,7622025 at new rate
$106,100Assessed value
$8,190South Plainfield Borough median
$7.3162025 rate

Among 6,807 homes in South Plainfield Borough, the typical (median) tax bill is $8,190. This bill is lower than about 70% of them.

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

Sales

Nearby sales
$327,000 on July 20, 2015This property's last sale
247Similar sales since 2023
$525,000Median 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.

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Recent sales nearby

AddressSoldPriceBuilt
501 Dolores AveSame streetOct 2023$426,000
607 Dolores AveSame streetOct 2024$545,0001950
2351 Oxford AveNov 2023$650,0001952
2301 Selene AveMar 2024$680,0001969
2341 Terrace AveDec 2023$385,0001960
1919 Selene AveNov 2023$430,000

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

Property record

Block / lot
75 / 14
Property class
Residential (2)
Building
1,096 SF
Lot size
0.15 acres
Land value
$34,600
Improvement value
$71,500
County
Middlesex County

Same block

  • 2600 Maple Ave$6,412 tax
  • 2346 Terrace Ave$6,816 tax
  • 2348 Terrace Ave$6,633 tax
  • 2354 Terrace Ave$9,984 tax
  • 513 Dolores Ave$7,352 tax
  • 501 Dolores Ave$6,301 tax
  • 2351 Oxford Ave$10,431 tax
  • 2347 Oxford Ave$8,888 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 507 Dolores Ave changes. Unsubscribe any time.

Property report (PDF)

A printable report for 507 Dolores Ave: tax and assessment, the Watchdog Score, how the bill compares in South Plainfield Borough, recent nearby sales and appeal dates.

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Questions

How much are the property taxes at 507 Dolores Ave?

The latest annual property tax on the New Jersey tax list is $7,408, on an assessed value of $106,100.

How does this tax bill compare with others in South Plainfield Borough?

Among 6,807 homes in South Plainfield Borough, the typical (median) tax bill is $8,190. This bill is lower than about 70% 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 70 (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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