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Single Family ResidenceResidential
$390,534$282 / 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 $175,000 on Nov 1, 2001

21 RUNNING BROOK RD

EWING, NJ 08638
0
Baths
1,384 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.
1968
Year BuiltThe year the home was originally built, according to county records.

Valuation

$391K
$366K low$416K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$175,000 · Nov 1, 2001

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,621 (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.$212,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$67,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$145,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$212,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$212,800

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.42
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
19
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
70
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
94
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.0.23
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
Antheil Elementary SchoolD
Elementary · Grades PK–5 · 0.4 mi
H
Ewing High SchoolD
High · Grades 9–12 · 1.6 mi
M
Gilmore J. Fisher Middle SchoolC-
Middle · Grades 6–8 · 1.7 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

21 Running Brook Rd 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 73% of homes in Trenton 08638
  • Costs more per square foot than 83% of homes in Trenton 08638
  • Has a bigger lot than 71% of homes in Trenton 08638
  • Newer than 83% of homes in Trenton 08638

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
$113K$574K

This home is worth more than 73% 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$390,534
CheaperTypical $315,605Pricier

Pricier than 73% of homes nearby

Price per ft²$282
CheaperTypical $229Pricier

Pricier than 83% of homes nearby

Living area1,384 ft²
SmallerTypical 1,334 ft²Bigger

Bigger than 57% of homes nearby

Lot size0.23 ac
SmallerTypical 0.14 acBigger

Bigger than 71% of homes nearby

Year built1968
OlderTypical 1948Newer

Newer than 83% of homes nearby

How 21 Running Brook Rd ranks against every home in each area.
MeasureThis homeTrenton 08638Mercer County
Estimated valuepricier than$390,53473% of homes43% of homes
Price per ft²pricier than$28283% of homes54% of homes
Living areabigger than1,384 ft²57% of homes36% of homes
Lot sizebigger than0.23 ac71% of homes61% of homes
Year builtnewer than196883% of homes58% of homes

About 21 Running Brook Rd

How much is 21 Running Brook Rd, Ewing, NJ worth?

The TopHap Estimate for 21 Running Brook Rd, Ewing, NJ is $390,534 as of Aug 30, 2026. The likely range is $365,509 to $415,559. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Running Brook Rd, Ewing, NJ last sell?

21 Running Brook Rd, Ewing, NJ last sold on Nov 1, 2001 for $175,000, according to the county's recorded deed.

How big is 21 Running Brook Rd, Ewing, NJ?

21 Running Brook Rd, Ewing, NJ has 1,384 square feet of living space and a 0.23-acre lot.

When was 21 Running Brook Rd, Ewing, NJ built?

21 Running Brook Rd, Ewing, NJ was built in 1968, making it 58 years old. It is a colonial home.

What schools serve 21 Running Brook Rd, Ewing, NJ?

21 Running Brook Rd, Ewing, NJ is assigned to Antheil 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 21 Running Brook Rd, Ewing, NJ compare to other homes in Trenton 08638?

Among the 7,150 homes in Trenton 08638, it is worth more than 73% of them ($390,534 against a typical $315,605), its price per square foot is higher than 83% of them ($282 against a typical $229), it is bigger than 57% of them (1,384 ft² against a typical 1,334 ft²), its lot is bigger than 71% of them (0.23 ac against a typical 0.14 ac) and it is newer than 83% of them (1968 against a typical 1948). Measured against all of Mercer County, it is worth more than 43% 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 Running Brook Rd, Ewing, NJ?

The 2025 property tax bill for 21 Running Brook Rd, Ewing, NJ was $8,621. The county assessed it at $212,800.

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