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Single Family ResidenceResidential
$1,251,043$512 / 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 81How 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 $1,200,000 on Dec 16, 2025

51 ALEXANDER AVE

MONTCLAIR, NJ 07043
0
Baths
2,444 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1933
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

$1.3M
$1M low$1.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,200,000 · Dec 16, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$18,955 (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.$540,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$283,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$256,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$539,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$540,000

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.0.17
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(2)

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
Northeast Elementary SchoolB-
Elementary · Grades KG–5 · 0.3 mi
M
Buzz Aldrin Middle SchoolA
Middle · Grades 6–8 · 0.9 mi
H
Montclair High SchoolB
High · Grades 9–12 · 2.2 mi

District: Montclair Town School District

Neighborhood · ZIP 07043These 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.29
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 100.114

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.9%
PopulationHow many people live in this area.14,473
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,531 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$198,811
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$277,430
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

51 Alexander 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 86% of homes in Essex County
  • Costs less per square foot than 84% of homes in Montclair 07043
  • Has a smaller lot than 79% of homes in Montclair 07043
  • Newer than 65% of homes in Montclair 07043

What homes are worth in Montclair 07043

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

This home
$438K$3M

This home is worth more than 34% of homes in Montclair 07043.

How it measures up in Montclair 07043

The dot is this home. The mark in the middle is the typical home in Montclair 07043.

Estimated value$1,251,043
CheaperTypical $1,439,920Pricier

Pricier than 34% of homes nearby

Price per ft²$512
CheaperTypical $621Pricier

Pricier than 16% of homes nearby

Living area2,444 ft²
SmallerTypical 2,364 ft²Bigger

Bigger than 54% of homes nearby

Lot size0.18 ac
SmallerTypical 0.23 acBigger

Bigger than 21% of homes nearby

Year built1933
OlderTypical 1926Newer

Newer than 65% of homes nearby

How 51 Alexander Ave ranks against every home in each area.
MeasureThis homeMontclair 07043Essex County
Estimated valuepricier than$1,251,04334% of homes86% of homes
Price per ft²pricier than$51216% of homes81% of homes
Living areabigger than2,444 ft²54% of homes64% of homes
Lot sizebigger than0.18 ac21% of homes62% of homes
Year builtnewer than193365% of homes50% of homes

About 51 Alexander Ave

How much is 51 Alexander Ave, Montclair, NJ worth?

The TopHap Estimate for 51 Alexander Ave, Montclair, NJ is $1,251,043 as of Sep 24, 2026. The likely range is $1,013,424 to $1,488,662. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 51 Alexander Ave, Montclair, NJ last sell?

51 Alexander Ave, Montclair, NJ last sold on Dec 16, 2025 for $1,200,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 51 Alexander Ave, Montclair, NJ?

51 Alexander Ave, Montclair, NJ has 2,444 square feet of living space and a 0.17-acre lot.

When was 51 Alexander Ave, Montclair, NJ built?

51 Alexander Ave, Montclair, NJ was built in 1933, making it 93 years old. The building has 2 stories.

What schools serve 51 Alexander Ave, Montclair, NJ?

51 Alexander Ave, Montclair, NJ is assigned to Northeast Elementary School (elementary), rated B-; Buzz Aldrin Middle School (middle), rated A; Montclair High School (high), rated B. All sit in Montclair Town School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 51 Alexander Ave, Montclair, NJ compare to other homes in Montclair 07043?

Among the 3,790 homes in Montclair 07043, it is worth more than 34% of them ($1,251,043 against a typical $1,439,920), its price per square foot is higher than 16% of them ($512 against a typical $621), it is bigger than 54% of them (2,444 ft² against a typical 2,364 ft²), its lot is bigger than 21% of them (0.18 ac against a typical 0.23 ac) and it is newer than 65% of them (1933 against a typical 1926). Measured against all of Essex County, it is worth more than 86% 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 51 Alexander Ave, Montclair, NJ?

The 2025 property tax bill for 51 Alexander Ave, Montclair, NJ was $18,955. The county assessed it at $540,000.

More homes on Alexander Ave

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Assigned schools

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