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11 Old South Ave

Fanwood Borough, NJ · Union County · Residential · Block 66, Lot 13

Watchdog Score

How it works
66/100

Favorable tax position

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

  • RRecourse18
  • OOverassessment Positionn/a
  • BBurden70
  • UUniformity89
  • SStabilityn/a
  • TTrajectoryn/a

Property tax

Compare towns
$13,0052024 tax bill
$13,8152025 at new rate
$442,800Assessed value
$13,432Fanwood Borough median
$3.1202025 rate

Among 2,474 homes in Fanwood Borough, the typical (median) tax bill is $13,432. This bill is lower than about 60% of them.

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

Rates start in 2020, the first year after the last town-wide revaluation.

Sales

Nearby sales
$465,000 on February 17, 2021This property's last sale
97Similar sales since 2023
$705,000Median 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
412 North AveSep 2024$75,7491959
460 North AveJun 2024$805,0001950
294 North AveOct 2023$882,0001910
4 Ridge WayAug 2024$829,0001950
13 Nichols CtAug 2024$939,0001965
16 Rainier RdFeb 2024$662,0001960

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

Property record

Block / lot
66 / 13
Property class
Residential (2)
Year built
1950
Building
1SFF1AG
Dwelling units
1
Land value
$255,700
Improvement value
$187,100
County
Union County

Same block

  • 257 South Avenue$44,299 tax
  • 319 South Avenue$7,199 tax
  • 3 Old South Ave$11,396 tax
  • 7 Old South Ave$12,274 tax
  • 15 Old South Ave$7,613 tax
  • 19 Old South Ave$12,256 tax
  • 21 Old South Avenue$13,222 tax
  • 27 Old South Ave$13,704 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 11 Old South Ave changes. Unsubscribe any time.

Property report (PDF)

A printable report for 11 Old South Ave: tax and assessment, the Watchdog Score, how the bill compares in Fanwood Borough, recent nearby sales and appeal dates.

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Questions

How much are the property taxes at 11 Old South Ave?

The latest annual property tax on the New Jersey tax list is $13,005, on an assessed value of $442,800.

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

Among 2,474 homes in Fanwood Borough, the typical (median) tax bill is $13,432. This bill is lower than about 60% 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 66 (Favorable tax position).

Can the assessment be appealed?

Yes. Appeals go to the Union 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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