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Single Family ResidenceResidential
$449,464$399 / 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

309 E 4TH AVE

ROSELLE, NJ 07203
0
Baths
1,126 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1921
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

$449K
$405K low$494K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,431 (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.$103,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$56,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$47,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$103,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$103,100

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
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)
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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
Harrison Elementary SchoolC
Elementary · Grades 1–4 · 0.2 mi
H
Abraham Clark High SchoolD-
High · Grades 9–12 · 0.5 mi
M
Grace Wilday Junior High SchoolD-
Middle · Grades 7–8 · 1.1 mi

District: Roselle Borough School District

Neighborhood · ZIP 07203These 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.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.113

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.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.3%
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.23,141
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,867 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,013
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,446
Average tempThe average temperature here across a full year.54°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

309 E 4th Ave 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 90% of homes in Union County
  • Costs more per square foot than 67% of homes in Roselle 07203
  • Smaller than 86% of homes in Union County
  • Has a smaller lot than 73% of homes in Union County
  • Older than 84% of homes in Union County

What homes are worth in Roselle 07203

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

This home
$198K$757K

This home is worth more than 22% of homes in Roselle 07203.

How it measures up in Roselle 07203

The dot is this home. The mark in the middle is the typical home in Roselle 07203.

Estimated value$449,464
CheaperTypical $506,231Pricier

Pricier than 22% of homes nearby

Price per ft²$399
CheaperTypical $358Pricier

Pricier than 67% of homes nearby

Living area1,126 ft²
SmallerTypical 1,368 ft²Bigger

Bigger than 29% of homes nearby

Lot size0.11 ac
SmallerTypical 0.12 acBigger

Bigger than 31% of homes nearby

Year built1921
OlderTypical 1941Newer

Newer than 21% of homes nearby

How 309 E 4th Ave ranks against every home in each area.
MeasureThis homeRoselle 07203Union County
Estimated valuepricier than$449,46422% of homes10% of homes
Price per ft²pricier than$39967% of homes48% of homes
Living areabigger than1,126 ft²29% of homes14% of homes
Lot sizebigger than0.11 ac31% of homes27% of homes
Year builtnewer than192121% of homes16% of homes

About 309 E 4th Ave

How much is 309 E 4th Ave, Roselle, NJ worth?

The TopHap Estimate for 309 E 4th Ave, Roselle, NJ is $449,464 as of Oct 21, 2026. The likely range is $404,694 to $494,234. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 E 4th Ave, Roselle, NJ last sell?

309 E 4th Ave, Roselle, NJ last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 309 E 4th Ave, Roselle, NJ?

309 E 4th Ave, Roselle, NJ has 1,126 square feet of living space and a 0.12-acre lot.

When was 309 E 4th Ave, Roselle, NJ built?

309 E 4th Ave, Roselle, NJ was built in 1921, making it 105 years old. The building has 2 stories.

What schools serve 309 E 4th Ave, Roselle, NJ?

309 E 4th Ave, Roselle, NJ is assigned to Harrison Elementary School (elementary), rated C; Abraham Clark High School (high), rated D-; Grace Wilday Junior High School (middle), rated D-. All sit in Roselle Borough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 309 E 4th Ave, Roselle, NJ compare to other homes in Roselle 07203?

Among the 5,320 homes in Roselle 07203, it is worth more than 22% of them ($449,464 against a typical $506,231), its price per square foot is higher than 67% of them ($399 against a typical $358), it is bigger than 29% of them (1,126 ft² against a typical 1,368 ft²), its lot is bigger than 31% of them (0.11 ac against a typical 0.12 ac) and it is newer than 21% of them (1921 against a typical 1941). Measured against all of Union County, it is worth more than 10% 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 309 E 4th Ave, Roselle, NJ?

The 2025 property tax bill for 309 E 4th Ave, Roselle, NJ was $9,431. The county assessed it at $103,100.

More homes on E 4th Ave

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