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Single Family ResidenceResidential
$251,979$280 / 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 78How 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 $25,000 on Aug 9, 1990

20 DOUGLAS AVE

EWING, NJ 08638
0
Baths
900 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1941
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$252K
$196K low$308K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$25,000 · Aug 9, 1990

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,663 (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.$115,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$45,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$69,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$115,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$115,100

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.41
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
12
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
71
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
92
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
30
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

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.0.22
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

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

E
Parkway Elementary SchoolD+
Elementary · Grades PK–5 · 0.4 mi
H
Ewing High SchoolD
High · Grades 9–12 · 1.5 mi
M
Gilmore J. Fisher Middle SchoolC-
Middle · Grades 6–8 · 2.7 mi

District: Ewing Township School District

Neighborhood · ZIP 08638These 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.122
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.84

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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.27,059
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,733 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,954
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$91,358
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

20 Douglas 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.

  • Worth less than 80% of homes in Mercer County
  • Costs more per square foot than 82% of homes in Trenton 08638
  • Smaller than 96% of homes in Mercer County
  • Has a bigger lot than 69% of homes in Trenton 08638
  • Older than 70% of homes in Mercer County

What homes are worth in Trenton 08638

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

This home
$111K$574K

This home is worth more than 37% of homes in Trenton 08638.

How it measures up in Trenton 08638

The dot is this home. The mark in the middle is the typical home in Trenton 08638.

Estimated value$251,979
CheaperTypical $313,866Pricier

Pricier than 37% of homes nearby

Price per ft²$280
CheaperTypical $230Pricier

Pricier than 82% of homes nearby

Living area900 ft²
SmallerTypical 1,332 ft²Bigger

Bigger than 6% of homes nearby

Lot size0.22 ac
SmallerTypical 0.13 acBigger

Bigger than 69% of homes nearby

Year built1941
OlderTypical 1948Newer

Newer than 47% of homes nearby

How 20 Douglas Ave ranks against every home in each area.
MeasureThis homeTrenton 08638Mercer County
Estimated valuepricier than$251,97937% of homes20% of homes
Price per ft²pricier than$28082% of homes52% of homes
Living areabigger than900 ft²6% of homes4% of homes
Lot sizebigger than0.22 ac69% of homes60% of homes
Year builtnewer than194147% of homes30% of homes

About 20 Douglas Ave

How much is 20 Douglas Ave, Ewing, NJ worth?

The TopHap Estimate for 20 Douglas Ave, Ewing, NJ is $251,979 as of Aug 30, 2026. The likely range is $196,426 to $307,532. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Douglas Ave, Ewing, NJ last sell?

20 Douglas Ave, Ewing, NJ last sold on Aug 9, 1990 for $25,000, according to the county's recorded deed.

How big is 20 Douglas Ave, Ewing, NJ?

20 Douglas Ave, Ewing, NJ has 900 square feet of living space and a 0.22-acre lot.

When was 20 Douglas Ave, Ewing, NJ built?

20 Douglas Ave, Ewing, NJ was built in 1941, making it 85 years old. It is a colonial home. The building has 1 story.

What schools serve 20 Douglas Ave, Ewing, NJ?

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

How does 20 Douglas Ave, Ewing, NJ compare to other homes in Trenton 08638?

Among the 7,150 homes in Trenton 08638, it is worth more than 37% of them ($251,979 against a typical $313,866), its price per square foot is higher than 82% of them ($280 against a typical $230), it is bigger than 6% of them (900 ft² against a typical 1,332 ft²), its lot is bigger than 69% of them (0.22 ac against a typical 0.13 ac) and it is newer than 47% of them (1941 against a typical 1948). Measured against all of Mercer County, it is worth more than 20% 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 20 Douglas Ave, Ewing, NJ?

The 2025 property tax bill for 20 Douglas Ave, Ewing, NJ was $4,663. The county assessed it at $115,100.

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Assigned schools

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