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Single Family ResidenceResidential
$493,928
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 92How 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

42 N 21ST ST

KENILWORTH, NJ 07033
0
Baths
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1908
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

$494K
$455K low$533K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,958 (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.$165,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$75,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$90,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$165,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$165,400

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.Cape Cod
CountyUNION
Lot (acres)The size of the land the home sits on, from county records.0.12
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

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

E
Warren G. Harding Elementary SchoolC+
Elementary · Grades PK–6 · 0.2 mi
M
David Bearley Middle/High SchoolC-
Middle · Grades 7–12 · 0.2 mi

District: Kenilworth Borough School District

Neighborhood · ZIP 07033These 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.66
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.110

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.8,734
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,118 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$102,217
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$110,463
Average tempThe average temperature here across a full year.53°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

42 N 21st 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 93% of homes in Kenilworth 07033
  • Has a smaller lot than 89% of homes in Kenilworth 07033
  • Older than 96% of homes in Kenilworth 07033

What homes are worth in Kenilworth 07033

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

This home
$452K$1.1M

This home is worth more than 7% of homes in Kenilworth 07033.

How it measures up in Kenilworth 07033

The dot is this home. The mark in the middle is the typical home in Kenilworth 07033.

Estimated value$493,928
CheaperTypical $620,210Pricier

Pricier than 7% of homes nearby

Lot size0.11 ac
SmallerTypical 0.11 acBigger

Bigger than 11% of homes nearby

Year built1908
OlderTypical 1953Newer

Newer than 4% of homes nearby

How 42 N 21st St ranks against every home in each area.
MeasureThis homeKenilworth 07033Union County
Estimated valuepricier than$493,9287% of homes16% of homes
Lot sizebigger than0.11 ac11% of homes27% of homes
Year builtnewer than19084% of homes6% of homes

About 42 N 21st St

How much is 42 N 21st St, Kenilworth, NJ worth?

The TopHap Estimate for 42 N 21st St, Kenilworth, NJ is $493,928 as of Sep 24, 2026. The likely range is $454,525 to $533,331. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 42 N 21st St, Kenilworth, NJ last sell?

42 N 21st St, Kenilworth, NJ last sold on Jan 1, 1900, according to the county's recorded deed.

When was 42 N 21st St, Kenilworth, NJ built?

42 N 21st St, Kenilworth, NJ was built in 1908, making it 118 years old. It is a cape cod home. The building has 2 stories.

What schools serve 42 N 21st St, Kenilworth, NJ?

42 N 21st St, Kenilworth, NJ is assigned to Warren G. Harding Elementary School (elementary), rated C+; David Bearley Middle/High School (middle), rated C-. All sit in Kenilworth Borough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 42 N 21st St, Kenilworth, NJ compare to other homes in Kenilworth 07033?

Among the 2,602 homes in Kenilworth 07033, it is worth more than 7% of them ($493,928 against a typical $620,210), its lot is bigger than 11% of them (0.11 ac against a typical 0.11 ac) and it is newer than 4% of them (1908 against a typical 1953). Measured against all of Union County, it is worth more than 16% 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 42 N 21st St, Kenilworth, NJ?

The 2025 property tax bill for 42 N 21st St, Kenilworth, NJ was $10,958. The county assessed it at $165,400.

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Assigned schools

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