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Single Family ResidenceResidential
$658,355$539 / 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 94How 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 $174,000 on Jan 7, 2000

423 MOUNT PROSPECT AVE

CLIFTON, NJ 07012
0
Baths
1,222 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.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$658K
$617K low$700K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$174,000 · Jan 7, 2000

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,333 (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.$168,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$96,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$72,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$168,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$168,600

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Cape Cod
CountyPASSAIC
Lot (acres)The size of the land the home sits on, from county records.0.18
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.

E
School #9B+
Elementary · Grades PK–5 · 0.6 mi
H
Clifton High SchoolD+
High · Grades 9–12 · 1.1 mi
M
Christopher Columbus Middle SchoolC-
Middle · Grades 6–8 · 1.9 mi

District: Clifton City School District

Neighborhood · ZIP 07012These 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.111
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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.13,065
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,987 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$102,801
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$124,776
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.50 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

423 Mount 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 73% of homes in Allwood
  • Costs more per square foot than 98% of homes in Passaic County
  • Smaller than 83% of homes in Passaic County
  • Has a bigger lot than 83% of homes in Clifton 07012

What homes are worth in Clifton 07012

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

This home
$412K$1.1M

This home is worth more than 70% of homes in Clifton 07012.

How it measures up in Clifton 07012

The dot is this home. The mark in the middle is the typical home in Clifton 07012.

Estimated value$658,355
CheaperTypical $597,844Pricier

Pricier than 70% of homes nearby

Price per ft²$539
CheaperTypical $395Pricier

Pricier than 92% of homes nearby

Living area1,222 ft²
SmallerTypical 1,451 ft²Bigger

Bigger than 22% of homes nearby

Lot size0.18 ac
SmallerTypical 0.12 acBigger

Bigger than 83% of homes nearby

Year built1950
OlderTypical 1950Newer

Newer than 57% of homes nearby

How 423 Mount Prospect Ave ranks against every home in each area.
MeasureThis homeAllwoodClifton 07012Passaic County
Estimated valuepricier than$658,35573% of homes70% of homes64% of homes
Price per ft²pricier than$53991% of homes92% of homes98% of homes
Living areabigger than1,222 ft²26% of homes22% of homes17% of homes
Lot sizebigger than0.18 ac81% of homes83% of homes61% of homes
Year builtnewer than195064% of homes57% of homes47% of homes

About 423 Mount Prospect Ave

How much is 423 Mount Prospect Ave, Clifton, NJ worth?

The TopHap Estimate for 423 Mount Prospect Ave, Clifton, NJ is $658,355 as of Sep 24, 2026. The likely range is $616,800 to $699,910. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 423 Mount Prospect Ave, Clifton, NJ last sell?

423 Mount Prospect Ave, Clifton, NJ last sold on Jan 7, 2000 for $174,000, according to the county's recorded deed.

How big is 423 Mount Prospect Ave, Clifton, NJ?

423 Mount Prospect Ave, Clifton, NJ has 1,222 square feet of living space and a 0.18-acre lot.

When was 423 Mount Prospect Ave, Clifton, NJ built?

423 Mount Prospect Ave, Clifton, NJ was built in 1950, making it 76 years old. It is a cape cod home. The building has 1 story.

What schools serve 423 Mount Prospect Ave, Clifton, NJ?

423 Mount Prospect Ave, Clifton, NJ is assigned to School #9 (elementary), rated B+; Clifton High School (high), rated D+; Christopher Columbus Middle School (middle), rated C-. All sit in Clifton City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 423 Mount Prospect Ave, Clifton, NJ compare to other homes in Clifton 07012?

Among the 3,132 homes in Clifton 07012, it is worth more than 70% of them ($658,355 against a typical $597,844), its price per square foot is higher than 92% of them ($539 against a typical $395), it is bigger than 22% of them (1,222 ft² against a typical 1,451 ft²), its lot is bigger than 83% of them (0.18 ac against a typical 0.12 ac) and it is newer than 57% of them (1950 against a typical 1950). Measured against all of Passaic County, it is worth more than 64% 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 423 Mount Prospect Ave, Clifton, NJ?

The 2025 property tax bill for 423 Mount Prospect Ave, Clifton, NJ was $10,333. The county assessed it at $168,600.

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