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Single Family ResidenceResidential
$585,019$254 / 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 95How 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 $341,000 on Oct 31, 2016

21 DUFFIELD DR

EWING, NJ 08628
0
Baths
2,299 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.
0.44 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.

Valuation

$585K
$558K low$612K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$341,000 · Oct 31, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,445 (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.$331,900 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$85,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$246,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$331,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$331,900

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Colonial
CountyMERCER
Lot (acres)The size of the land the home sits on, from county records.0.45
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Francis Lore Elementary SchoolC
Elementary · Grades PK–5 · 0.7 mi
M
Gilmore J. Fisher Middle SchoolC-
Middle · Grades 6–8 · 2.7 mi
H
Ewing High SchoolD
High · Grades 9–12 · 3.1 mi

District: Ewing Township School District

Neighborhood · ZIP 08628These 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.111
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.82

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.9,982
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,271 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$102,080
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$124,788
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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

21 Duffield Dr 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.

  • Worth more than 87% of homes in Trenton 08628
  • Costs more per square foot than 66% of homes in Trenton 08628
  • Bigger than 79% of homes in Trenton 08628
  • Has a bigger lot than 78% of homes in Mercer County
  • Newer than 67% of homes in Trenton 08628

What homes are worth in Trenton 08628

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

This home
$122K$694K

This home is worth more than 87% of homes in Trenton 08628.

How it measures up in Trenton 08628

The dot is this home. The mark in the middle is the typical home in Trenton 08628.

Estimated value$585,019
CheaperTypical $420,214Pricier

Pricier than 87% of homes nearby

Price per ft²$254
CheaperTypical $241Pricier

Pricier than 66% of homes nearby

Living area2,299 ft²
SmallerTypical 1,752 ft²Bigger

Bigger than 79% of homes nearby

Lot size0.44 ac
SmallerTypical 0.33 acBigger

Bigger than 65% of homes nearby

Year built1979
OlderTypical 1965Newer

Newer than 67% of homes nearby

How 21 Duffield Dr ranks against every home in each area.
MeasureThis homeTrenton 08628Mercer County
Estimated valuepricier than$585,01987% of homes70% of homes
Price per ft²pricier than$25466% of homes39% of homes
Living areabigger than2,299 ft²79% of homes78% of homes
Lot sizebigger than0.44 ac65% of homes78% of homes
Year builtnewer than197967% of homes67% of homes

About 21 Duffield Dr

How much is 21 Duffield Dr, Ewing, NJ worth?

The TopHap Estimate for 21 Duffield Dr, Ewing, NJ is $585,019 as of Aug 30, 2026. The likely range is $558,358 to $611,680. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Duffield Dr, Ewing, NJ last sell?

21 Duffield Dr, Ewing, NJ last sold on Oct 31, 2016 for $341,000, according to the county's recorded deed.

How big is 21 Duffield Dr, Ewing, NJ?

21 Duffield Dr, Ewing, NJ has 2,299 square feet of living space and a 0.45-acre lot.

When was 21 Duffield Dr, Ewing, NJ built?

21 Duffield Dr, Ewing, NJ was built in 1979, making it 47 years old. It is a colonial home.

What schools serve 21 Duffield Dr, Ewing, NJ?

21 Duffield Dr, Ewing, NJ is assigned to Francis Lore Elementary School (elementary), rated C; Gilmore J. Fisher Middle School (middle), rated C-; Ewing High School (high), rated D. All sit in Ewing Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Duffield Dr, Ewing, NJ compare to other homes in Trenton 08628?

Among the 2,740 homes in Trenton 08628, it is worth more than 87% of them ($585,019 against a typical $420,214), its price per square foot is higher than 66% of them ($254 against a typical $241), it is bigger than 79% of them (2,299 ft² against a typical 1,752 ft²), its lot is bigger than 65% of them (0.44 ac against a typical 0.33 ac) and it is newer than 67% of them (1979 against a typical 1965). Measured against all of Mercer County, it is worth more than 70% 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 21 Duffield Dr, Ewing, NJ?

The 2025 property tax bill for 21 Duffield Dr, Ewing, NJ was $13,445. The county assessed it at $331,900.

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