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Single Family ResidenceResidential
$553,582$331 / 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 Jul 14, 2026
Last sold for $305,000 on Jun 5, 2019

309 SEATON AVE

ROSELLE PARK, NJ 07204
0
Baths
1,674 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.
1950
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$554K
$501K low$606K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$305,000 · Jun 5, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,927 (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.$242,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$118,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$123,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$242,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$242,500

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.15 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

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)
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.

E
Ernest L. Finizio Aldene Elementary SchoolB
Elementary · Grades PK–5 · 0.2 mi
H
Roselle Park High SchoolB-
High · Grades 9–12 · 0.3 mi
M
Roselle Park Middle SchoolB-
Middle · Grades 6–8 · 0.5 mi

District: Roselle Park Borough School District

Neighborhood · ZIP 07204These 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.81
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.109

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.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.14,215
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.11,542 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$95,523
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$128,639
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

309 Seaton 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 68% of homes in Union County
  • Costs less per square foot than 77% of homes in Union County
  • Has a smaller lot than 73% of homes in Union County
  • Newer than 77% of homes in Roselle Park 07204

What homes are worth in Roselle Park 07204

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

This home
$295K$769K

This home is worth more than 42% of homes in Roselle Park 07204.

How it measures up in Roselle Park 07204

The dot is this home. The mark in the middle is the typical home in Roselle Park 07204.

Estimated value$553,582
CheaperTypical $564,965Pricier

Pricier than 42% of homes nearby

Price per ft²$331
CheaperTypical $365Pricier

Pricier than 29% of homes nearby

Living area1,674 ft²
SmallerTypical 1,564 ft²Bigger

Bigger than 60% of homes nearby

Lot size0.11 ac
SmallerTypical 0.11 acBigger

Bigger than 47% of homes nearby

Year built1950
OlderTypical 1931Newer

Newer than 77% of homes nearby

How 309 Seaton Ave ranks against every home in each area.
MeasureThis homeRoselle Park 07204Union County
Estimated valuepricier than$553,58242% of homes32% of homes
Price per ft²pricier than$33129% of homes23% of homes
Living areabigger than1,674 ft²60% of homes45% of homes
Lot sizebigger than0.11 ac47% of homes27% of homes
Year builtnewer than195077% of homes51% of homes

About 309 Seaton Ave

How much is 309 Seaton Ave, Roselle Park, NJ worth?

The TopHap Estimate for 309 Seaton Ave, Roselle Park, NJ is $553,582 as of Jul 14, 2026. The likely range is $500,912 to $606,252. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 Seaton Ave, Roselle Park, NJ last sell?

309 Seaton Ave, Roselle Park, NJ last sold on Jun 5, 2019 for $305,000, according to the county's recorded deed.

How big is 309 Seaton Ave, Roselle Park, NJ?

309 Seaton Ave, Roselle Park, NJ has 1,674 square feet of living space and a 0.12-acre lot.

When was 309 Seaton Ave, Roselle Park, NJ built?

309 Seaton Ave, Roselle Park, NJ was built in 1950, making it 76 years old. The building has 2 stories.

What schools serve 309 Seaton Ave, Roselle Park, NJ?

309 Seaton Ave, Roselle Park, NJ is assigned to Ernest L. Finizio Aldene Elementary School (elementary), rated B; Roselle Park High School (high), rated B-; Roselle Park Middle School (middle), rated B-. All sit in Roselle Park Borough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 309 Seaton Ave, Roselle Park, NJ compare to other homes in Roselle Park 07204?

Among the 3,363 homes in Roselle Park 07204, it is worth more than 42% of them ($553,582 against a typical $564,965), its price per square foot is higher than 29% of them ($331 against a typical $365), it is bigger than 60% of them (1,674 ft² against a typical 1,564 ft²), its lot is bigger than 47% of them (0.11 ac against a typical 0.11 ac) and it is newer than 77% of them (1950 against a typical 1931). Measured against all of Union County, it is worth more than 32% 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 Seaton Ave, Roselle Park, NJ?

The 2025 property tax bill for 309 Seaton Ave, Roselle Park, NJ was $10,927. The county assessed it at $242,500.

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