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Single Family ResidenceResidential
$2,095,079$470 / 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 88How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $1,150,000 on Oct 2, 2020

20 PROSPECT AVE

MONTCLAIR, NJ 07042
0
Baths
4,453 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.
0.37 ac
Lot SizeThe size of the land the home sits on, from county records.
1917
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$2.1M
$1.9M low$2.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,150,000 · Oct 2, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$39,355 (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.$1,119,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$482,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$637,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,119,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,119,300

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyESSEX
Lot (acres)The size of the land the home sits on, from county records.0.38
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.

H
Montclair High SchoolB
High · Grades 9–12 · 0.6 mi
E
Edgemont Elementary SchoolA-
Elementary · Grades KG–5 · 0.7 mi
M
Renaissance Middle School at the Rand BuildingB+
Middle · Grades 6–8 · 0.7 mi

District: Montclair Town School District

Neighborhood · ZIP 07042These 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.83
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.112

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.3%
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.27,494
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,244 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$132,077
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$183,948
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.51 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

20 Prospect 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 97% of homes in Essex County
  • Costs more per square foot than 74% of homes in Essex County
  • Bigger than 93% of homes in Essex County
  • Has a bigger lot than 85% of homes in Essex County
  • Older than 78% of homes in Essex County

What homes are worth in Montclair 07042

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

This home
$342K$3.1M

This home is worth more than 91% of homes in Montclair 07042.

How it measures up in Montclair 07042

The dot is this home. The mark in the middle is the typical home in Montclair 07042.

Estimated value$2,095,079
CheaperTypical $1,016,258Pricier

Pricier than 91% of homes nearby

Price per ft²$470
CheaperTypical $469Pricier

Pricier than 51% of homes nearby

Living area4,453 ft²
SmallerTypical 2,312 ft²Bigger

Bigger than 92% of homes nearby

Lot size0.37 ac
SmallerTypical 0.22 acBigger

Bigger than 74% of homes nearby

Year built1917
OlderTypical 1922Newer

Newer than 44% of homes nearby

How 20 Prospect Ave ranks against every home in each area.
MeasureThis homeMontclair 07042Essex County
Estimated valuepricier than$2,095,07991% of homes97% of homes
Price per ft²pricier than$47051% of homes74% of homes
Living areabigger than4,453 ft²92% of homes93% of homes
Lot sizebigger than0.37 ac74% of homes85% of homes
Year builtnewer than191744% of homes22% of homes

About 20 Prospect Ave

How much is 20 Prospect Ave, Montclair, NJ worth?

The TopHap Estimate for 20 Prospect Ave, Montclair, NJ is $2,095,079 as of Aug 30, 2026. The likely range is $1,851,235 to $2,338,923. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Prospect Ave, Montclair, NJ last sell?

20 Prospect Ave, Montclair, NJ last sold on Oct 2, 2020 for $1,150,000, according to the county's recorded deed.

How big is 20 Prospect Ave, Montclair, NJ?

20 Prospect Ave, Montclair, NJ has 4,453 square feet of living space and a 0.38-acre lot.

When was 20 Prospect Ave, Montclair, NJ built?

20 Prospect Ave, Montclair, NJ was built in 1917, making it 109 years old. The building has 2 stories.

What schools serve 20 Prospect Ave, Montclair, NJ?

20 Prospect Ave, Montclair, NJ is assigned to Montclair High School (high), rated B; Edgemont Elementary School (elementary), rated A-; Renaissance Middle School at the Rand Building (middle), rated B+. All sit in Montclair Town School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Prospect Ave, Montclair, NJ compare to other homes in Montclair 07042?

Among the 6,114 homes in Montclair 07042, it is worth more than 91% of them ($2,095,079 against a typical $1,016,258), its price per square foot is higher than 51% of them ($470 against a typical $469), it is bigger than 92% of them (4,453 ft² against a typical 2,312 ft²), its lot is bigger than 74% of them (0.37 ac against a typical 0.22 ac) and it is newer than 44% of them (1917 against a typical 1922). Measured against all of Essex County, it is worth more than 97% 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 20 Prospect Ave, Montclair, NJ?

The 2025 property tax bill for 20 Prospect Ave, Montclair, NJ was $39,355. The county assessed it at $1,119,300.

More homes on Prospect Ave

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More homes in Montclair 07042

Assigned schools

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