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21 Princeton Ave

Dover Town, NJ · Morris County · Residential · Block 316, Lot 11

Watchdog Score

How it works
64/100

Typical or mixed tax position

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

  • RRecourse61
  • OOverassessment Positionn/a
  • BBurden66
  • UUniformity63
  • SStabilityn/a
  • TTrajectoryn/a

Property tax

Compare towns
$8,2222024 tax bill
$8,7672025 at new rate
$251,200Assessed value
$7,525Dover Town median
$3.4902025 rate

Among 3,589 homes in Dover Town, the typical (median) tax bill is $7,525. This bill is higher than about 62% of them.

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

Sales

Nearby sales
$130,000 on January 14, 2003This property's last sale
129Similar sales since 2023
$429,000Median 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
13-15 Princeton AveSame streetJul 2024$510,0001920
15 Yale StDec 2024$450,0001900
14 N Elk AveNov 2023$539,0001947
34 Glenwood AveOct 2024$103,1351962
30 Edgewood TerAug 2024$595,0001960
28 Fox Hill DrFeb 2024$575,0001965

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

Property record

Block / lot
316 / 11
Property class
Residential (2)
Year built
1920
Building
2SF
Dwelling units
1
Lot size
0.15 acres
Land value
$134,500
Improvement value
$116,700
County
Morris County

Same block

  • 2-4baker Ave$13,203 tax
  • 23-25 Princeton Ave$10,624 tax
  • 13-15 Princeton Ave$10,248 tax
  • 1 Princeton Ave &a$12,742 tax
  • 271 W Blackwell St A&b$11,423 tax
  • 273 W Blackwell St$10,199 tax
  • 301 W Blackwell St A&b$14,928 tax
  • 297 W Blackwell St$13,049 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 21 Princeton Ave changes. Unsubscribe any time.

Property report (PDF)

A printable report for 21 Princeton Ave: tax and assessment, the Watchdog Score, how the bill compares in Dover Town, recent nearby sales and appeal dates.

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Questions

How much are the property taxes at 21 Princeton Ave?

The latest annual property tax on the New Jersey tax list is $8,222, on an assessed value of $251,200.

How does this tax bill compare with others in Dover Town?

Among 3,589 homes in Dover Town, the typical (median) tax bill is $7,525. This bill is higher than about 62% 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 64 (Typical or mixed tax position).

Can the assessment be appealed?

Yes. Appeals go to the Morris 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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