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Single Family ResidenceResidential
$1,129,985$386 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $680,000 on Aug 26, 2015

12 ROBERT DR

PRINCETON JUNCTION, NJ 08550
0
Baths
2,930 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.
1.32 ac
Lot SizeThe size of the land the home sits on, from county records.
1989
Year BuiltThe year the home was originally built, according to county records.

Valuation

$1.1M
$1M low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$680,000 · Aug 26, 2015
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$511,985
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$409,588
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.53%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$482,000
HOME PT FIN'L · recorded Sep 16, 2020
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$136,000
FIRSTRUST BANK

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$19,699 (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.$623,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$281,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$393,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$623,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$623,000

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
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(5)

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.

H
West Windsor-Plainsboro High School NorthA
High · Grades 9–12 · 1.7 mi
M
Community Middle SchoolA
Middle · Grades 6–8 · 1.8 mi
E
Maurice Hawk Elementary SchoolA
Elementary · Grades KG–3 · 2.2 mi

District: West Windsor-Plainsboro Regional School District

Neighborhood · ZIP 08550These 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.19
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 100.84

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.20,522
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,038 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$195,394
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$236,863
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

12 Robert 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 92% of homes in Mercer County
  • Costs more per square foot than 87% of homes in Mercer County
  • Bigger than 91% of homes in Mercer County
  • Has a bigger lot than 96% of homes in Princeton Junction 08550
  • Newer than 80% of homes in Mercer County

What homes are worth in Princeton Junction 08550

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

This home
$493K$1.7M

This home is worth more than 65% of homes in Princeton Junction 08550.

How it measures up in Princeton Junction 08550

The dot is this home. The mark in the middle is the typical home in Princeton Junction 08550.

Estimated value$1,129,985
CheaperTypical $1,011,770Pricier

Pricier than 65% of homes nearby

Price per ft²$386
CheaperTypical $385Pricier

Pricier than 50% of homes nearby

Living area2,930 ft²
SmallerTypical 2,632 ft²Bigger

Bigger than 64% of homes nearby

Lot size1.32 ac
SmallerTypical 0.69 acBigger

Bigger than 96% of homes nearby

Year built1989
OlderTypical 1989Newer

Newer than 53% of homes nearby

How 12 Robert Dr ranks against every home in each area.
MeasureThis homePrinceton Junction 08550Mercer County
Estimated valuepricier than$1,129,98565% of homes92% of homes
Price per ft²pricier than$38650% of homes87% of homes
Living areabigger than2,930 ft²64% of homes91% of homes
Lot sizebigger than1.32 ac96% of homes95% of homes
Year builtnewer than198953% of homes80% of homes

About 12 Robert Dr

How much is 12 Robert Dr, Princeton Junction, NJ worth?

The TopHap Estimate for 12 Robert Dr, Princeton Junction, NJ is $1,129,985 as of Jul 14, 2026. The likely range is $1,049,971 to $1,209,999. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12 Robert Dr, Princeton Junction, NJ last sell?

12 Robert Dr, Princeton Junction, NJ last sold on Aug 26, 2015 for $680,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

When was 12 Robert Dr, Princeton Junction, NJ built?

12 Robert Dr, Princeton Junction, NJ was built in 1989, making it 37 years old. It is a colonial home.

What schools serve 12 Robert Dr, Princeton Junction, NJ?

12 Robert Dr, Princeton Junction, NJ is assigned to West Windsor-Plainsboro High School North (high), rated A; Community Middle School (middle), rated A; Maurice Hawk Elementary School (elementary), rated A. All sit in West Windsor-Plainsboro Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12 Robert Dr, Princeton Junction, NJ compare to other homes in Princeton Junction 08550?

Among the 6,020 homes in Princeton Junction 08550, it is worth more than 65% of them ($1,129,985 against a typical $1,011,770), its price per square foot is higher than 50% of them ($386 against a typical $385), it is bigger than 64% of them (2,930 ft² against a typical 2,632 ft²), its lot is bigger than 96% of them (1.32 ac against a typical 0.69 ac) and it is newer than 53% of them (1989 against a typical 1989). Measured against all of Mercer County, it is worth more than 92% 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 12 Robert Dr, Princeton Junction, NJ?

The 2025 property tax bill for 12 Robert Dr, Princeton Junction, NJ was $19,699. The county assessed it at $623,000.

Closest homes

More homes in Princeton Junction 08550

Assigned schools

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