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Single Family ResidenceResidential
$888,928$420 / 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 Oct 21, 2026
Last sold for $568,500 on Sep 9, 2008

18 BLACKSTONE DR

PRINCETON, NJ 08540
0
Baths
2,114 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1996
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$889K
$824K low$953K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$568,500 · Sep 9, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,640 (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.$448,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$225,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$222,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$448,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$448,000

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.45
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.
68
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
95
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
43
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
CountySOMERSET
Lot (acres)The size of the land the home sits on, from county records.0.14
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Orchard Hill Elementary School
Elementary · Grades PK–2 · 2.2 mi
M
Montgomery Upper Middle SchoolA+
Middle · Grades 7–8 · 2.5 mi
H
Montgomery High SchoolA
High · Grades 9–12 · 2.9 mi

District: Montgomery Township School District

Neighborhood · ZIP 08540These 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.65
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 100.92

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.94%
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.5.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.53,074
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,031 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$158,898
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$213,931
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.49 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

18 Blackstone 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 72% of homes in Somerset County
  • Costs more per square foot than 82% of homes in Somerset County
  • Has a smaller lot than 68% of homes in Princeton 08540
  • Newer than 81% of homes in Somerset County

What homes are worth in Princeton 08540

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

This home
$273K$3.1M

This home is worth more than 41% of homes in Princeton 08540.

How it measures up in Princeton 08540

The dot is this home. The mark in the middle is the typical home in Princeton 08540.

Estimated value$888,928
CheaperTypical $993,174Pricier

Pricier than 41% of homes nearby

Price per ft²$420
CheaperTypical $425Pricier

Pricier than 48% of homes nearby

Living area2,114 ft²
SmallerTypical 2,244 ft²Bigger

Bigger than 44% of homes nearby

Lot size0.14 ac
SmallerTypical 0.28 acBigger

Bigger than 32% of homes nearby

Year built1996
OlderTypical 1986Newer

Newer than 73% of homes nearby

How 18 Blackstone Dr ranks against every home in each area.
MeasureThis homePrinceton 08540Somerset County
Estimated valuepricier than$888,92841% of homes72% of homes
Price per ft²pricier than$42048% of homes82% of homes
Living areabigger than2,114 ft²44% of homes58% of homes
Lot sizebigger than0.14 ac32% of homes32% of homes
Year builtnewer than199673% of homes81% of homes

About 18 Blackstone Dr

How much is 18 Blackstone Dr, Princeton, NJ worth?

The TopHap Estimate for 18 Blackstone Dr, Princeton, NJ is $888,928 as of Oct 21, 2026. The likely range is $824,408 to $953,448. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Blackstone Dr, Princeton, NJ last sell?

18 Blackstone Dr, Princeton, NJ last sold on Sep 9, 2008 for $568,500, according to the county's recorded deed.

How big is 18 Blackstone Dr, Princeton, NJ?

18 Blackstone Dr, Princeton, NJ has 2,114 square feet of living space and a 0.14-acre lot.

When was 18 Blackstone Dr, Princeton, NJ built?

18 Blackstone Dr, Princeton, NJ was built in 1996, making it 30 years old. The building has 2 stories.

What schools serve 18 Blackstone Dr, Princeton, NJ?

18 Blackstone Dr, Princeton, NJ is assigned to Orchard Hill Elementary School (elementary); Montgomery Upper Middle School (middle), rated A+; Montgomery High School (high), rated A. All sit in Montgomery Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Blackstone Dr, Princeton, NJ compare to other homes in Princeton 08540?

Among the 13,780 homes in Princeton 08540, it is worth more than 41% of them ($888,928 against a typical $993,174), its price per square foot is higher than 48% of them ($420 against a typical $425), it is bigger than 44% of them (2,114 ft² against a typical 2,244 ft²), its lot is bigger than 32% of them (0.14 ac against a typical 0.28 ac) and it is newer than 73% of them (1996 against a typical 1986). Measured against all of Somerset County, it is worth more than 72% 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 18 Blackstone Dr, Princeton, NJ?

The 2025 property tax bill for 18 Blackstone Dr, Princeton, NJ was $15,640. The county assessed it at $448,000.

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Assigned schools

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