Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$395,592$247 / 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 Sep 24, 2026

21 CHELMSFORD DR

EWING, NJ 08618
0
Baths
1,602 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.
0.28 ac
Lot SizeThe size of the land the home sits on, from county records.
1960
Year BuiltThe year the home was originally built, according to county records.

Valuation

$396K
$372K low$419K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,487 (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.$209,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$66,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$143,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$209,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$209,500

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.15 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

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.0.28
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(3)

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.

M
Gilmore J. Fisher Middle SchoolC-
Middle · Grades 6–8 · 0.6 mi
H
Ewing High SchoolD
High · Grades 9–12 · 0.8 mi
E
Antheil Elementary SchoolD
Elementary · Grades PK–5 · 1.6 mi

District: Ewing Township School District

Neighborhood · ZIP 08618These 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.145
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.89

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.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.22%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.34,941
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,507 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$57,786
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,228
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%

Owner Tools

Do you own this home?
Claim this home

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 Chelmsford 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 86% of homes in Trenton 08618
  • Costs more per square foot than 84% of homes in Trenton 08618
  • Has a bigger lot than 88% of homes in Trenton 08618
  • Newer than 86% of homes in Trenton 08618

What homes are worth in Trenton 08618

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

This home
$107K$537K

This home is worth more than 86% of homes in Trenton 08618.

How it measures up in Trenton 08618

The dot is this home. The mark in the middle is the typical home in Trenton 08618.

Estimated value$395,592
CheaperTypical $265,000Pricier

Pricier than 86% of homes nearby

Price per ft²$247
CheaperTypical $166Pricier

Pricier than 84% of homes nearby

Living area1,602 ft²
SmallerTypical 1,494 ft²Bigger

Bigger than 61% of homes nearby

Lot size0.28 ac
SmallerTypical 3,703 ft²Bigger

Bigger than 88% of homes nearby

Year built1960
OlderTypical 1926Newer

Newer than 86% of homes nearby

How 21 Chelmsford Dr ranks against every home in each area.
MeasureThis homeTrenton 08618Mercer County
Estimated valuepricier than$395,59286% of homes44% of homes
Price per ft²pricier than$24784% of homes35% of homes
Living areabigger than1,602 ft²61% of homes50% of homes
Lot sizebigger than0.28 ac88% of homes67% of homes
Year builtnewer than196086% of homes51% of homes

About 21 Chelmsford Dr

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

The TopHap Estimate for 21 Chelmsford Dr, Ewing, NJ is $395,592 as of Sep 24, 2026. The likely range is $372,047 to $419,137. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

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

21 Chelmsford Dr, Ewing, NJ last sold on Dec 5, 2023, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 Chelmsford Dr, Ewing, NJ?

21 Chelmsford Dr, Ewing, NJ has 1,602 square feet of living space and a 0.28-acre lot.

When was 21 Chelmsford Dr, Ewing, NJ built?

21 Chelmsford Dr, Ewing, NJ was built in 1960, making it 66 years old. It is a colonial home.

What schools serve 21 Chelmsford Dr, Ewing, NJ?

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

How does 21 Chelmsford Dr, Ewing, NJ compare to other homes in Trenton 08618?

Among the 9,326 homes in Trenton 08618, it is worth more than 86% of them ($395,592 against a typical $265,000), its price per square foot is higher than 84% of them ($247 against a typical $166), it is bigger than 61% of them (1,602 ft² against a typical 1,494 ft²), its lot is bigger than 88% of them (0.28 ac against a typical 3,703 ft²) and it is newer than 86% of them (1960 against a typical 1926). Measured against all of Mercer County, it is worth more than 44% 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 Chelmsford Dr, Ewing, NJ?

The 2025 property tax bill for 21 Chelmsford Dr, Ewing, NJ was $8,487. The county assessed it at $209,500.

More homes on Chelmsford Dr

Closest homes

More homes in Ewing 08618

Assigned schools

Explore the area

See this home in context

Open 21 Chelmsford Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map