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Residential (General/Single)Residential
$789,169$508 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $444,000 on Sep 15, 2020

421 MERCER AVE

RIVER EDGE, NJ 07661
0
Baths
1,552 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$789K
$751K low$827K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$444,000 · Sep 15, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,136 (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.$573,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$343,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$230,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$542,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$573,800

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyBERGEN
Lot (acres)The size of the land the home sits on, from county records.0.14
ConstructionThe main material the home's frame and walls are built from.Brick
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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
Cherry Hill SchoolA+
Elementary · Grades PK–6 · 0.1 mi
M
River Dell Middle SchoolA+
Middle · Grades 7–8 · 1.3 mi
H
River Dell Regional High SchoolA-
High · Grades 9–12 · 1.6 mi

District: River Edge Borough School District

Neighborhood · ZIP 07661These 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.35
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.117
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.120

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.42%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.12,275
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,589 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$145,909
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$197,342
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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

421 Mercer 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 79% of homes in River Edge 07661
  • Costs more per square foot than 77% of homes in Bergen County
  • Smaller than 72% of homes in River Edge 07661
  • Has a smaller lot than 83% of homes in River Edge 07661
  • Older than 72% of homes in Bergen County

What homes are worth in River Edge 07661

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

This home
$597K$1.7M

This home is worth more than 21% of homes in River Edge 07661.

How it measures up in River Edge 07661

The dot is this home. The mark in the middle is the typical home in River Edge 07661.

Estimated value$789,169
CheaperTypical $879,368Pricier

Pricier than 21% of homes nearby

Price per ft²$508
CheaperTypical $485Pricier

Pricier than 62% of homes nearby

Living area1,552 ft²
SmallerTypical 1,820 ft²Bigger

Bigger than 28% of homes nearby

Lot size0.14 ac
SmallerTypical 0.17 acBigger

Bigger than 17% of homes nearby

Year built1940
OlderTypical 1946Newer

Newer than 40% of homes nearby

How 421 Mercer Ave ranks against every home in each area.
MeasureThis homeRiver Edge 07661Bergen County
Estimated valuepricier than$789,16921% of homes51% of homes
Price per ft²pricier than$50862% of homes77% of homes
Living areabigger than1,552 ft²28% of homes34% of homes
Lot sizebigger than0.14 ac17% of homes39% of homes
Year builtnewer than194040% of homes28% of homes

About 421 Mercer Ave

How much is 421 Mercer Ave, River Edge, NJ worth?

The TopHap Estimate for 421 Mercer Ave, River Edge, NJ is $789,169 as of Sep 24, 2026. The likely range is $751,131 to $827,207. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Mercer Ave, River Edge, NJ last sell?

421 Mercer Ave, River Edge, NJ last sold on Sep 15, 2020 for $444,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 421 Mercer Ave, River Edge, NJ?

421 Mercer Ave, River Edge, NJ has 1,552 square feet of living space and a 0.14-acre lot.

When was 421 Mercer Ave, River Edge, NJ built?

421 Mercer Ave, River Edge, NJ was built in 1940, making it 86 years old. The building has 1 story.

What schools serve 421 Mercer Ave, River Edge, NJ?

421 Mercer Ave, River Edge, NJ is assigned to Cherry Hill School (elementary), rated A+; River Dell Middle School (middle), rated A+; River Dell Regional High School (high), rated A-. All sit in River Edge Borough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Mercer Ave, River Edge, NJ compare to other homes in River Edge 07661?

Among the 3,246 homes in River Edge 07661, it is worth more than 21% of them ($789,169 against a typical $879,368), its price per square foot is higher than 62% of them ($508 against a typical $485), it is bigger than 28% of them (1,552 ft² against a typical 1,820 ft²), its lot is bigger than 17% of them (0.14 ac against a typical 0.17 ac) and it is newer than 40% of them (1940 against a typical 1946). Measured against all of Bergen County, it is worth more than 51% 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 Mercer Ave, River Edge, NJ?

The 2025 property tax bill for 421 Mercer Ave, River Edge, NJ was $13,136. The county assessed it at $573,800.

More homes on Mercer Ave

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