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13 Sierra Pl

Sparta Township, NJ · Sussex County · Residential · Block 16102, Lot 3

Watchdog Score

How it works
74/100

Favorable tax position

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

  • RRecourse56
  • OOverassessment Position93
  • BBurden61
  • UUniformity71
  • SStabilityn/a
  • TTrajectory95

Property tax

Compare towns
$12,6302024 tax bill
$12,9082025 at new rate
$351,900Assessed value
$11,460Sparta Township median
$3.6682025 rate

Among 7,081 homes in Sparta Township, the typical (median) tax bill is $11,460. This bill is higher than about 57% of them.

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

Sales

Nearby sales
$401,385 on June 26, 2020This property's last sale
367Similar sales since 2023
$530,000Median 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
11 Sierra PlSame streetNov 2024$490,0002020
13 Cypress LnJan 2025$480,0002020
18 Trafalgar CtJul 2024$680,0002021
12 Trafalgar CtJan 2024$656,0002021
662 West Mountain RdApr 2024$400,0001946
582 Houses Corner RdSep 2024$320,0001952

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

Property record

Block / lot
16102 / 3
Property class
Residential (2)
Year built
2020
Building
ROSECLIFF
Lot size
0.04 acres
Land value
$115,000
Improvement value
$236,900
County
Sussex County

Same block

  • 9 Sierra Pl$12,565 tax
  • 11 Sierra Pl$12,551 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 13 Sierra Pl changes. Unsubscribe any time.

Property report (PDF)

A printable report for 13 Sierra Pl: tax and assessment, the Watchdog Score, how the bill compares in Sparta Township, recent nearby sales and appeal dates.

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Questions

How much are the property taxes at 13 Sierra Pl?

The latest annual property tax on the New Jersey tax list is $12,630, on an assessed value of $351,900.

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

Among 7,081 homes in Sparta Township, the typical (median) tax bill is $11,460. 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 74 (Favorable tax position).

Can the assessment be appealed?

Yes. Appeals go to the Sussex 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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