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Single Family ResidenceResidential
$621,819$362 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $383,000 on Apr 21, 2006

171 DUNELLEN AVE

PISCATAWAY, NJ 08854
0
Baths
1,720 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1976
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$622K
$584K low$660K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$383,000 · Apr 21, 2006

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,866 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$573,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$294,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$278,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$554,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$573,100

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMIDDLESEX
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1977
Lot (acres)The size of the land the home sits on, from county records.0.23
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Grandview Elementary SchoolC
Elementary · Grades KG–3 · 0.3 mi
M
T. Schor Middle SchoolB-
Middle · Grades 6–8 · 0.6 mi
H
Piscataway High SchoolB-
High · Grades 9–12 · 1.3 mi

District: Piscataway Township School District

Neighborhood · ZIP 08854These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.57
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.103

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.63,382
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,298 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$116,616
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$138,705
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.49 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

171 Dunellen Ave measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Has a bigger lot than 71% of homes in Middlesex County

What homes are worth in Piscataway 08854

Each bar is how many homes fall in that price range. The marker is this home.

This home
$353K$1M

This home is worth more than 59% of homes in Piscataway 08854.

How it measures up in Piscataway 08854

The dot is this home. The mark in the middle is the typical home in Piscataway 08854.

Estimated value$621,819
CheaperTypical $584,118Pricier

Pricier than 59% of homes nearby

Price per ft²$362
CheaperTypical $356Pricier

Pricier than 55% of homes nearby

Living area1,720 ft²
SmallerTypical 1,624 ft²Bigger

Bigger than 58% of homes nearby

Lot size0.23 ac
SmallerTypical 0.23 acBigger

Bigger than 49% of homes nearby

Year built1976
OlderTypical 1973Newer

Newer than 53% of homes nearby

How 171 Dunellen Ave ranks against every home in each area.
MeasureThis homePiscataway 08854Middlesex County
Estimated valuepricier than$621,81959% of homes59% of homes
Price per ft²pricier than$36255% of homes52% of homes
Living areabigger than1,720 ft²58% of homes56% of homes
Lot sizebigger than0.23 ac49% of homes71% of homes
Year builtnewer than197653% of homes57% of homes

About 171 Dunellen Ave

How much is 171 Dunellen Ave, Piscataway, NJ worth?

The TopHap Estimate for 171 Dunellen Ave, Piscataway, NJ is $621,819 as of Aug 30, 2026. The likely range is $583,854 to $659,784. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 171 Dunellen Ave, Piscataway, NJ last sell?

171 Dunellen Ave, Piscataway, NJ last sold on Apr 21, 2006 for $383,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 171 Dunellen Ave, Piscataway, NJ?

171 Dunellen Ave, Piscataway, NJ has 1,720 square feet of living space and a 0.23-acre lot.

When was 171 Dunellen Ave, Piscataway, NJ built?

171 Dunellen Ave, Piscataway, NJ was built in 1976, making it 50 years old. The building has 2 stories.

What schools serve 171 Dunellen Ave, Piscataway, NJ?

171 Dunellen Ave, Piscataway, NJ is assigned to Grandview Elementary School (elementary), rated C; T. Schor Middle School (middle), rated B-; Piscataway High School (high), rated B-. All sit in Piscataway Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 171 Dunellen Ave, Piscataway, NJ compare to other homes in Piscataway 08854?

Among the 13,708 homes in Piscataway 08854, it is worth more than 59% of them ($621,819 against a typical $584,118), its price per square foot is higher than 55% of them ($362 against a typical $356), it is bigger than 58% of them (1,720 ft² against a typical 1,624 ft²), its lot is bigger than 49% of them (0.23 ac against a typical 0.23 ac) and it is newer than 53% of them (1976 against a typical 1973). Measured against all of Middlesex County, it is worth more than 59% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 171 Dunellen Ave, Piscataway, NJ?

The 2025 property tax bill for 171 Dunellen Ave, Piscataway, NJ was $9,866. The county assessed it at $573,100.

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