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25 Up. Mountain Ave C2503

Montclair Township, NJ · Essex County · Residential · Block 1501, Lot 5

Watchdog Score

How it works
57/100

Typical or mixed tax position

The Watchdog Score, powered by the ROBUST Framework. Evidence coverage 85%, high confidence.

  • RRecourse55
  • OOverassessment Position23
  • BBurden70
  • UUniformity60
  • SStabilityn/a
  • TTrajectory81

Property tax

Compare towns
$10,5252024 tax bill
$10,8752025 at new rate
$309,300Assessed value
$20,423Montclair Township median
$3.5162025 rate

Among 9,588 homes in Montclair Township, the typical (median) tax bill is $20,423. This bill is lower than about 88% of them.

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

Sales

Nearby sales
$340,000 on January 6, 2010This property's last sale
431Similar sales since 2023
$1,054,000Median 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
31 Up. Mountain Ave C3104Aug 2024$88,1371965
138 No. Mountain AvenueMar 2024$1,750,0001912
216 Valley RoadMay 2024$1,014,5001920
1 Rydal PlaceDec 2023$860,0001917
7 Van Vleck Street C0001Oct 2023$415,0001976
219 Walnut StreetNov 2023$975,0001905

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

Property record

Block / lot
1501 / 5 (C2503)
Property class
Residential (2)
Year built
1965
Dwelling units
1
Lot size
1.52 acres
Land value
$180,000
Improvement value
$129,300
County
Essex County

Same block

  • 54 No. Mountain Avenue$19,210 tax
  • 50 No. Mountain Avenue$20,724 tax
  • 44 No. Mountain Avenue$157,004 tax
  • 345 Claremont Avenue$124,267 tax
  • 25 Up. Mountain Ave C2501$6,551 tax
  • 25 Up. Mountain Ave C2502$6,551 tax
  • 25 Up. Mountain Ave C2504$10,525 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 25 Up. Mountain Ave C2503 changes. Unsubscribe any time.

Property report (PDF)

A printable report for 25 Up. Mountain Ave C2503: tax and assessment, the Watchdog Score, how the bill compares in Montclair Township, recent nearby sales and appeal dates.

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Questions

How much are the property taxes at 25 Up. Mountain Ave C2503?

The latest annual property tax on the New Jersey tax list is $10,525, on an assessed value of $309,300.

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

Among 9,588 homes in Montclair Township, the typical (median) tax bill is $20,423. This bill is lower than about 88% 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 57 (Typical or mixed tax position).

Can the assessment be appealed?

Yes. Appeals go to the Essex 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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