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Single Family ResidenceResidential
$646,972$279 / 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 81How 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 $687,500 on Aug 10, 2023

1535 HARBOURTON ROCKTOWN RD

LAMBERTVILLE, NJ 08530
0
Baths
2,320 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.
1.61 ac
Lot SizeThe size of the land the home sits on, from county records.
1965
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$647K
$525K low$769K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$687,500 · Aug 10, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14,090 (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.$434,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$252,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$181,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$434,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$434,200

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMERCER
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(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.

M
Timberlane Middle SchoolB
Middle · Grades 6–8 · 2.9 mi
H
Hopewell Valley Central High SchoolB
High · Grades 9–12 · 3.1 mi
E
Bear Tavern Elementary SchoolA
Elementary · Grades PK–5 · 3.5 mi

District: Hopewell Valley Regional School District

Neighborhood · ZIP 08530These 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.130
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.82

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.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.7,509
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.296 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$124,489
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$174,197
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

1535 Harbourton Rocktown 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 75% of homes in Mercer County
  • Costs less per square foot than 76% of homes in Lambertville 08530
  • Bigger than 79% of homes in Mercer County
  • Has a bigger lot than 96% of homes in Mercer County

What homes are worth in Lambertville 08530

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

This home
$312K$1.2M

This home is worth more than 58% of homes in Lambertville 08530.

How it measures up in Lambertville 08530

The dot is this home. The mark in the middle is the typical home in Lambertville 08530.

Estimated value$646,972
CheaperTypical $598,275Pricier

Pricier than 58% of homes nearby

Price per ft²$279
CheaperTypical $326Pricier

Pricier than 24% of homes nearby

Living area2,320 ft²
SmallerTypical 1,834 ft²Bigger

Bigger than 70% of homes nearby

Lot size1.61 ac
SmallerTypical 0.17 acBigger

Bigger than 81% of homes nearby

Year built1965
OlderTypical 1957Newer

Newer than 57% of homes nearby

How 1535 Harbourton Rocktown Rd ranks against every home in each area.
MeasureThis homeLambertville 08530Mercer County
Estimated valuepricier than$646,97258% of homes75% of homes
Price per ft²pricier than$27924% of homes52% of homes
Living areabigger than2,320 ft²70% of homes79% of homes
Lot sizebigger than1.61 ac81% of homes96% of homes
Year builtnewer than196557% of homes56% of homes

About 1535 Harbourton Rocktown Rd

How much is 1535 Harbourton Rocktown Rd, Lambertville, NJ worth?

The TopHap Estimate for 1535 Harbourton Rocktown Rd, Lambertville, NJ is $646,972 as of Aug 30, 2026. The likely range is $524,576 to $769,368. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1535 Harbourton Rocktown Rd, Lambertville, NJ last sell?

1535 Harbourton Rocktown Rd, Lambertville, NJ last sold on Aug 10, 2023 for $687,500, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

When was 1535 Harbourton Rocktown Rd, Lambertville, NJ built?

1535 Harbourton Rocktown Rd, Lambertville, NJ was built in 1965, making it 61 years old. The building has 2 stories.

What schools serve 1535 Harbourton Rocktown Rd, Lambertville, NJ?

1535 Harbourton Rocktown Rd, Lambertville, NJ is assigned to Timberlane Middle School (middle), rated B; Hopewell Valley Central High School (high), rated B; Bear Tavern Elementary School (elementary), rated A. All sit in Hopewell Valley Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1535 Harbourton Rocktown Rd, Lambertville, NJ compare to other homes in Lambertville 08530?

Among the 2,767 homes in Lambertville 08530, it is worth more than 58% of them ($646,972 against a typical $598,275), its price per square foot is higher than 24% of them ($279 against a typical $326), it is bigger than 70% of them (2,320 ft² against a typical 1,834 ft²), its lot is bigger than 81% of them (1.61 ac against a typical 0.17 ac) and it is newer than 57% of them (1965 against a typical 1957). Measured against all of Mercer County, it is worth more than 75% 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 1535 Harbourton Rocktown Rd, Lambertville, NJ?

The 2025 property tax bill for 1535 Harbourton Rocktown Rd, Lambertville, NJ was $14,090. The county assessed it at $434,200.

More homes on Harbourton Rocktown Rd

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