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Single Family ResidenceResidential
$593,207
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 Jul 14, 2026

421 ROSETTA PL

UNION, NJ 07083
0
Baths
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$593K
$537K low$649K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$593,207
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$474,566

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,008 (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.$47,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$21,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$26,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$47,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$47,200

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.0.17
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
Washington Elementary SchoolC+
Elementary · Grades PK–4 · 0.2 mi
M
Kawameeh Middle SchoolB
Middle · Grades 6–8 · 0.6 mi
H
Union High SchoolD+
High · Grades 9–12 · 1.8 mi

District: Union Township School District

Neighborhood · ZIP 07083These 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.69
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 100.111

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.97%
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.6.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.57,241
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,577 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$114,741
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$147,270
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

421 Rosetta Pl 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.

  • Has a bigger lot than 84% of homes in Union 07083

What homes are worth in Union 07083

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

This home
$290K$854K

This home is worth more than 56% of homes in Union 07083.

How it measures up in Union 07083

The dot is this home. The mark in the middle is the typical home in Union 07083.

Estimated value$593,207
CheaperTypical $580,643Pricier

Pricier than 56% of homes nearby

Lot size0.17 ac
SmallerTypical 0.13 acBigger

Bigger than 84% of homes nearby

Year built1950
OlderTypical 1950Newer

Newer than 54% of homes nearby

How 421 Rosetta Pl ranks against every home in each area.
MeasureThis homeUnion 07083Union County
Estimated valuepricier than$593,20756% of homes41% of homes
Lot sizebigger than0.17 ac84% of homes62% of homes
Year builtnewer than195054% of homes51% of homes

About 421 Rosetta Pl

How much is 421 Rosetta Pl, Union, NJ worth?

The TopHap Estimate for 421 Rosetta Pl, Union, NJ is $593,207 as of Jul 14, 2026. The likely range is $537,122 to $649,292. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Rosetta Pl, Union, NJ last sell?

421 Rosetta Pl, Union, NJ last sold on Jan 1, 1900, according to the county's recorded deed.

When was 421 Rosetta Pl, Union, NJ built?

421 Rosetta Pl, Union, NJ was built in 1950, making it 76 years old. It is a cape cod home. The building has 1 story.

What schools serve 421 Rosetta Pl, Union, NJ?

421 Rosetta Pl, Union, NJ is assigned to Washington Elementary School (elementary), rated C+; Kawameeh Middle School (middle), rated B; Union High School (high), rated D+. All sit in Union Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Rosetta Pl, Union, NJ compare to other homes in Union 07083?

Among the 15,571 homes in Union 07083, it is worth more than 56% of them ($593,207 against a typical $580,643), its lot is bigger than 84% of them (0.17 ac against a typical 0.13 ac) and it is newer than 54% of them (1950 against a typical 1950). Measured against all of Union County, it is worth more than 41% 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 421 Rosetta Pl, Union, NJ?

The 2025 property tax bill for 421 Rosetta Pl, Union, NJ was $11,008. The county assessed it at $47,200.

More homes on Rosetta Pl

Closest homes

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Assigned schools

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