Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$643,943$294 / 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 90How 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 $390,000 on Dec 7, 2021

139 ROCKTOWN LAMBERTVILLE RD

LAMBERTVILLE, NJ 08530
0
Baths
2,194 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.
2.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$644K
$578K low$710K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$390,000 · Dec 7, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,348 (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.$506,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$152,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$353,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$486,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$506,200

Property Facts

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

M
South Hunterdon Regional Middle School
Middle · Grades 5–8 · 0.5 mi
H
South Hunterdon Regional High SchoolC-
High · Grades 9–12 · 0.6 mi
E
South Hunterdon Regional Elementary SchoolC
Elementary · Grades PK–4 · 2.5 mi

District: South Hunterdon 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%

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

139 Rocktown Lambertville 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 less per square foot than 72% of homes in Lambertville 08530
  • Bigger than 66% of homes in Lambertville 08530
  • Has a bigger lot than 85% of homes in Lambertville 08530
  • Newer than 65% of homes in Lambertville 08530

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
$321K$1.2M

This home is worth more than 55% 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$643,943
CheaperTypical $615,455Pricier

Pricier than 55% of homes nearby

Price per ft²$294
CheaperTypical $335Pricier

Pricier than 28% of homes nearby

Living area2,194 ft²
SmallerTypical 1,836 ft²Bigger

Bigger than 66% of homes nearby

Lot size2.12 ac
SmallerTypical 0.17 acBigger

Bigger than 85% of homes nearby

Year built1979
OlderTypical 1957Newer

Newer than 65% of homes nearby

How 139 Rocktown Lambertville Rd ranks against every home in each area.
MeasureThis homeLambertville 08530Hunterdon County
Estimated valuepricier than$643,94355% of homes54% of homes
Price per ft²pricier than$29428% of homes50% of homes
Living areabigger than2,194 ft²66% of homes55% of homes
Lot sizebigger than2.12 ac85% of homes73% of homes
Year builtnewer than197965% of homes50% of homes

About 139 Rocktown Lambertville Rd

How much is 139 Rocktown Lambertville Rd, Lambertville, NJ worth?

The TopHap Estimate for 139 Rocktown Lambertville Rd, Lambertville, NJ is $643,943 as of Oct 21, 2026. The likely range is $577,554 to $710,332. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 139 Rocktown Lambertville Rd, Lambertville, NJ last sell?

139 Rocktown Lambertville Rd, Lambertville, NJ last sold on Dec 7, 2021 for $390,000, according to the county's recorded deed.

When was 139 Rocktown Lambertville Rd, Lambertville, NJ built?

139 Rocktown Lambertville Rd, Lambertville, NJ was built in 1979, making it 47 years old. The building has 2 stories.

What schools serve 139 Rocktown Lambertville Rd, Lambertville, NJ?

139 Rocktown Lambertville Rd, Lambertville, NJ is assigned to South Hunterdon Regional Middle School (middle); South Hunterdon Regional High School (high), rated C-; South Hunterdon Regional Elementary School (elementary), rated C. All sit in South Hunterdon Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 139 Rocktown Lambertville Rd, Lambertville, NJ compare to other homes in Lambertville 08530?

Among the 2,773 homes in Lambertville 08530, it is worth more than 55% of them ($643,943 against a typical $615,455), its price per square foot is higher than 28% of them ($294 against a typical $335), it is bigger than 66% of them (2,194 ft² against a typical 1,836 ft²), its lot is bigger than 85% of them (2.12 ac against a typical 0.17 ac) and it is newer than 65% of them (1979 against a typical 1957). Measured against all of Hunterdon County, it is worth more than 54% 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 139 Rocktown Lambertville Rd, Lambertville, NJ?

The 2025 property tax bill for 139 Rocktown Lambertville Rd, Lambertville, NJ was $10,348. The county assessed it at $506,200.

More homes on Rocktown Lambertville Rd

Closest homes

More homes in Lambertville 08530

Assigned schools

Explore the area

See this home in context

Open 139 Rocktown Lambertville Rd 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