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Single Family ResidenceResidential
$486,974$324 / 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 Sep 24, 2026
Last sold for $485,000 on Aug 4, 2026

4 ROBERTSON RD

EAST WINDSOR, NJ 08520
0
Baths
1,503 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1971
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$487K
$464K low$510K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$485,000 · Aug 4, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,256 (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.$255,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$105,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$150,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$255,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$255,200

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.Cape Cod
CountyMERCER
Lot (acres)The size of the land the home sits on, from county records.0.21
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(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
Ethel McKnight Elementary SchoolC+
Elementary · Grades KG–2 · 0.5 mi
H
Hightstown High SchoolD+
High · Grades 9–12 · 2.5 mi
M
Melvin H. Kreps Middle SchoolC
Middle · Grades 6–8 · 4.2 mi

District: East Windsor Regional School District

Neighborhood · ZIP 08520These 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.60
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.87

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.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.32,351
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,749 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$105,586
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$138,235
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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

4 Robertson 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.

  • Costs more per square foot than 79% of homes in Hightstown 08520
  • Smaller than 65% of homes in Hightstown 08520

What homes are worth in Hightstown 08520

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

This home
$155K$1M

This home is worth more than 56% of homes in Hightstown 08520.

How it measures up in Hightstown 08520

The dot is this home. The mark in the middle is the typical home in Hightstown 08520.

Estimated value$486,974
CheaperTypical $451,890Pricier

Pricier than 56% of homes nearby

Price per ft²$324
CheaperTypical $277Pricier

Pricier than 79% of homes nearby

Living area1,503 ft²
SmallerTypical 1,647 ft²Bigger

Bigger than 35% of homes nearby

Lot size0.21 ac
SmallerTypical 0.16 acBigger

Bigger than 55% of homes nearby

Year built1971
OlderTypical 1972Newer

Newer than 45% of homes nearby

How 4 Robertson Rd ranks against every home in each area.
MeasureThis homeHightstown 08520Mercer County
Estimated valuepricier than$486,97456% of homes59% of homes
Price per ft²pricier than$32479% of homes72% of homes
Living areabigger than1,503 ft²35% of homes44% of homes
Lot sizebigger than0.21 ac55% of homes58% of homes
Year builtnewer than197145% of homes61% of homes

About 4 Robertson Rd

How much is 4 Robertson Rd, East Windsor, NJ worth?

The TopHap Estimate for 4 Robertson Rd, East Windsor, NJ is $486,974 as of Sep 24, 2026. The likely range is $463,877 to $510,071. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 Robertson Rd, East Windsor, NJ last sell?

4 Robertson Rd, East Windsor, NJ last sold on Aug 4, 2026 for $485,000, according to the county's recorded deed.

How big is 4 Robertson Rd, East Windsor, NJ?

4 Robertson Rd, East Windsor, NJ has 1,503 square feet of living space and a 0.21-acre lot.

When was 4 Robertson Rd, East Windsor, NJ built?

4 Robertson Rd, East Windsor, NJ was built in 1971, making it 55 years old. It is a cape cod home. The building has 2 stories.

What schools serve 4 Robertson Rd, East Windsor, NJ?

4 Robertson Rd, East Windsor, NJ is assigned to Ethel McKnight Elementary School (elementary), rated C+; Hightstown High School (high), rated D+; Melvin H. Kreps Middle School (middle), rated C. All sit in East Windsor Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4 Robertson Rd, East Windsor, NJ compare to other homes in Hightstown 08520?

Among the 8,429 homes in Hightstown 08520, it is worth more than 56% of them ($486,974 against a typical $451,890), its price per square foot is higher than 79% of them ($324 against a typical $277), it is bigger than 35% of them (1,503 ft² against a typical 1,647 ft²), its lot is bigger than 55% of them (0.21 ac against a typical 0.16 ac) and it is newer than 45% of them (1971 against a typical 1972). Measured against all of Mercer 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 4 Robertson Rd, East Windsor, NJ?

The 2025 property tax bill for 4 Robertson Rd, East Windsor, NJ was $9,256. The county assessed it at $255,200.

More homes on Robertson Rd

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More homes in East Windsor 08520

Assigned schools

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