Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$498,402$328 / 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 91How 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

239 WALNUT ST

SOUTH AMBOY, NJ 08879
0
Baths
1,520 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$498K
$456K low$541K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,985 (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.$248,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$140,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$108,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$248,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$248,200

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.12
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

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
South Amboy Elementary SchoolD+
Elementary · Grades PK–6 · 0.5 mi
M
South Amboy Middle High SchoolD
Middle · Grades 7–12 · 0.8 mi

District: South Amboy City School District

Neighborhood · ZIP 08879These 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.102
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.102

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.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.1%
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.23,254
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,866 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$86,649
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$104,457
Average tempThe average temperature here across a full year.54°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%

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

239 Walnut St 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 less than 70% of homes in Middlesex County
  • Costs less per square foot than 73% of homes in South Amboy 08879
  • Older than 87% of homes in Middlesex County

What homes are worth in South Amboy 08879

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

This home
$312K$964K

This home is worth more than 45% of homes in South Amboy 08879.

How it measures up in South Amboy 08879

The dot is this home. The mark in the middle is the typical home in South Amboy 08879.

Estimated value$498,402
CheaperTypical $518,271Pricier

Pricier than 45% of homes nearby

Price per ft²$328
CheaperTypical $373Pricier

Pricier than 27% of homes nearby

Living area1,520 ft²
SmallerTypical 1,408 ft²Bigger

Bigger than 58% of homes nearby

Lot size0.12 ac
SmallerTypical 0.11 acBigger

Bigger than 56% of homes nearby

Year built1930
OlderTypical 1954Newer

Newer than 28% of homes nearby

How 239 Walnut St ranks against every home in each area.
MeasureThis homeSouth Amboy 08879Middlesex County
Estimated valuepricier than$498,40245% of homes30% of homes
Price per ft²pricier than$32827% of homes32% of homes
Living areabigger than1,520 ft²58% of homes42% of homes
Lot sizebigger than0.12 ac56% of homes41% of homes
Year builtnewer than193028% of homes13% of homes

About 239 Walnut St

How much is 239 Walnut St, South Amboy, NJ worth?

The TopHap Estimate for 239 Walnut St, South Amboy, NJ is $498,402 as of Sep 24, 2026. The likely range is $455,842 to $540,962. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 239 Walnut St, South Amboy, NJ last sell?

239 Walnut St, South Amboy, NJ last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 239 Walnut St, South Amboy, NJ?

239 Walnut St, South Amboy, NJ has 1,520 square feet of living space and a 0.12-acre lot.

When was 239 Walnut St, South Amboy, NJ built?

239 Walnut St, South Amboy, NJ was built in 1930, making it 96 years old. The building has 2 stories.

What schools serve 239 Walnut St, South Amboy, NJ?

239 Walnut St, South Amboy, NJ is assigned to South Amboy Elementary School (elementary), rated D+; South Amboy Middle High School (middle), rated D. All sit in South Amboy City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 239 Walnut St, South Amboy, NJ compare to other homes in South Amboy 08879?

Among the 7,042 homes in South Amboy 08879, it is worth more than 45% of them ($498,402 against a typical $518,271), its price per square foot is higher than 27% of them ($328 against a typical $373), it is bigger than 58% of them (1,520 ft² against a typical 1,408 ft²), its lot is bigger than 56% of them (0.12 ac against a typical 0.11 ac) and it is newer than 28% of them (1930 against a typical 1954). Measured against all of Middlesex County, it is worth more than 30% 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 239 Walnut St, South Amboy, NJ?

The 2025 property tax bill for 239 Walnut St, South Amboy, NJ was $7,985. The county assessed it at $248,200.

More homes on Walnut St

Closest homes

More homes in South Amboy 08879

Assigned schools

Explore the area

See this home in context

Open 239 Walnut St 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