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Single Family ResidenceResidential
$586,034
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 94How 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 $572,500 on Apr 15, 2026

620 PROSPER AVE

ROSELLE, NJ 07203
0
Baths
3,746 ft²
Lot SizeThe size of the land the home sits on, from county records.
2020
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

$586K
$548K low$624K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$572,500 · Apr 15, 2026
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.$34,034
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$27,227
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.96%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$522,000
VALLEY NATIONAL BANK · 6% 2 · recorded Apr 15, 2026
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$30,000
VALLEY NATIONAL BANK

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$169,900 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$59,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$110,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$139,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$169,900

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.43
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
13
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
70
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
79
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
47
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%

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.0.09
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(5)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

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 1–4 · 0.4 mi
H
Abraham Clark High SchoolF
High · Grades 9–12 · 0.9 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%

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

620 Prosper 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 more than 90% of homes in Roselle 07203
  • Has a smaller lot than 85% of homes in Union County
  • Among the newest homes in Roselle 07203

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
$208K$671K

This home is worth more than 90% 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$586,034
CheaperTypical $498,580Pricier

Pricier than 90% of homes nearby

Lot size3,746 ft²
SmallerTypical 0.12 acBigger

Bigger than 16% of homes nearby

Year built2020
OlderTypical 1941Newer

Newer than almost all homes nearby

How 620 Prosper Ave ranks against every home in each area.
MeasureThis homeRoselle 07203Union County
Estimated valuepricier than$586,03490% of homes40% of homes
Lot sizebigger than3,746 ft²16% of homes15% of homes
Year builtnewer than2020almost all homesalmost all homes

About 620 Prosper Ave

How much is 620 Prosper Ave, Roselle, NJ worth?

The TopHap Estimate for 620 Prosper Ave, Roselle, NJ is $586,034 as of Jul 14, 2026. The likely range is $548,193 to $623,875. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 620 Prosper Ave, Roselle, NJ last sell?

620 Prosper Ave, Roselle, NJ last sold on Apr 15, 2026 for $572,500, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

When was 620 Prosper Ave, Roselle, NJ built?

620 Prosper Ave, Roselle, NJ was built in 2020, making it 6 years old. The building has 2 stories.

What schools serve 620 Prosper Ave, Roselle, NJ?

620 Prosper Ave, Roselle, NJ is assigned to Washington Elementary School (elementary), rated C; Abraham Clark High School (high), rated F; 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 620 Prosper Ave, Roselle, NJ compare to other homes in Roselle 07203?

Among the 5,320 homes in Roselle 07203, it is worth more than 90% of them ($586,034 against a typical $498,580), its lot is bigger than 16% of them (3,746 ft² against a typical 0.12 ac) and it is newer than almost all of them (2020 against a typical 1941). Measured against all of Union County, it is worth more than 40% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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Assigned schools

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