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Duplex (2 Units, Any Combination)Residential
$332,547$371 / 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 Jun 25, 2026
Last sold for $128,500 on Sep 22, 2014

831 AMSTERDAM AVE

ROSELLE, NJ 07203
0
Baths
896 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.
2,352 ft²
Lot SizeThe size of the land the home sits on, from county records.
1957
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$333K
$299K low$366K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$128,500 · Sep 22, 2014
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.$69,727
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$55,782
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.79%
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.$244,200
CARRINGTON MORTGAGE SERVICES LLC · recorded Oct 3, 2023
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.$18,620
CARRINGTON MORTGAGE SERVICES LLC

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,001 (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.$98,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$57,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$40,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$98,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$98,400

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyUNION
Lot (acres)The size of the land the home sits on, from county records.0.05
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(4)

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 · 0.3 mi
M
Grace Wilday Junior High SchoolD-
Middle · Grades 7–8 · 0.9 mi
H
Abraham Clark High SchoolF
High · Grades 9–12 · 1.0 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

831 Amsterdam 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 98% of homes in Union County
  • Smaller than 93% of homes in Union County
  • Has a smaller lot than 95% of homes in Union County
  • Newer than 80% of 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
$204K$649K

This home is worth more than 6% 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$332,547
CheaperTypical $497,453Pricier

Pricier than 6% of homes nearby

Price per ft²$371
CheaperTypical $364Pricier

Pricier than 53% of homes nearby

Living area896 ft²
SmallerTypical 1,372 ft²Bigger

Bigger than 15% of homes nearby

Lot size2,352 ft²
SmallerTypical 0.12 acBigger

Bigger than 7% of homes nearby

Year built1957
OlderTypical 1941Newer

Newer than 80% of homes nearby

How 831 Amsterdam Ave ranks against every home in each area.
MeasureThis homeRoselle 07203Union County
Estimated valuepricier than$332,5476% of homes2% of homes
Price per ft²pricier than$37153% of homes36% of homes
Living areabigger than896 ft²15% of homes7% of homes
Lot sizebigger than2,352 ft²7% of homes5% of homes
Year builtnewer than195780% of homes68% of homes

About 831 Amsterdam Ave

How much is 831 Amsterdam Ave, Roselle, NJ worth?

The TopHap Estimate for 831 Amsterdam Ave, Roselle, NJ is $332,547 as of Jun 25, 2026. The likely range is $299,349 to $365,745. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 831 Amsterdam Ave, Roselle, NJ last sell?

831 Amsterdam Ave, Roselle, NJ last sold on Sep 22, 2014 for $128,500, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 831 Amsterdam Ave, Roselle, NJ?

831 Amsterdam Ave, Roselle, NJ has 896 square feet of living space and a 0.05-acre lot.

When was 831 Amsterdam Ave, Roselle, NJ built?

831 Amsterdam Ave, Roselle, NJ was built in 1957, making it 69 years old. It is a duplex single home. The building has 2 stories.

What schools serve 831 Amsterdam Ave, Roselle, NJ?

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

How does 831 Amsterdam Ave, Roselle, NJ compare to other homes in Roselle 07203?

Among the 5,320 homes in Roselle 07203, it is worth more than 6% of them ($332,547 against a typical $497,453), its price per square foot is higher than 53% of them ($371 against a typical $364), it is bigger than 15% of them (896 ft² against a typical 1,372 ft²), its lot is bigger than 7% of them (2,352 ft² against a typical 0.12 ac) and it is newer than 80% of them (1957 against a typical 1941). Measured against all of Union County, it is worth more than 2% 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 831 Amsterdam Ave, Roselle, NJ?

The 2025 property tax bill for 831 Amsterdam Ave, Roselle, NJ was $9,001. The county assessed it at $98,400.

More homes on Amsterdam Ave

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Assigned schools

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