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Residential (General/Single)Residential
$9,999,999$817 / 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 $4,175,000 on Jul 22, 2016

23 STONE TOWER DR

ALPINE, NJ 07620
0
Baths
12,233 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 ac
Lot SizeThe size of the land the home sits on, from county records.
2021
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$10M
$10M low$10M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$4,175,000 · Jul 22, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$84,128 (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.$10,051,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,000,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$8,051,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$10,051,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$10,051,100

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
StyleThe architectural style of the home, such as ranch or colonial.Colonial
CountyBERGEN
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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
Alpine Elementary SchoolA+
Elementary · Grades PK–8 · 0.5 mi
H
Tenafly High SchoolA-
High · Grades 9–12 · 1.7 mi

District: Alpine Borough School District

Neighborhood · ZIP 07620These 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.124
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.115
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.116

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.85%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.46%
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.1.2%
PopulationHow many people live in this area.929
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.482 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$174,501
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$284,519
Average tempThe average temperature here across a full year.52°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%

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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

23 Stone Tower Dr 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.

  • Among the most valuable homes in Alpine 07620
  • Among the highest price per square foot in Bergen County
  • Among the largest homes in Bergen County
  • Has a bigger lot than 98% of homes in Bergen County
  • Among the newest homes in Bergen County

What homes are worth in Alpine 07620

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

This home
$961K$10M

This home is worth more than almost all homes in Alpine 07620.

How it measures up in Alpine 07620

The dot is this home. The mark in the middle is the typical home in Alpine 07620.

Estimated value$9,999,999
CheaperTypical $4,255,042Pricier

Pricier than almost all homes nearby

Price per ft²$817
CheaperTypical $727Pricier

Pricier than 63% of homes nearby

Living area12,233 ft²
SmallerTypical 5,190 ft²Bigger

Bigger than 96% of homes nearby

Lot size2 ac
SmallerTypical 1.47 acBigger

Bigger than 80% of homes nearby

Year built2021
OlderTypical 1985Newer

Newer than 94% of homes nearby

How 23 Stone Tower Dr ranks against every home in each area.
MeasureThis homeAlpine 07620Bergen County
Estimated valuepricier than$9,999,999almost all homesalmost all homes
Price per ft²pricier than$81763% of homesalmost all homes
Living areabigger than12,233 ft²96% of homesalmost all homes
Lot sizebigger than2 ac80% of homes98% of homes
Year builtnewer than202194% of homesalmost all homes

About 23 Stone Tower Dr

How much is 23 Stone Tower Dr, Alpine, NJ worth?

The TopHap Estimate for 23 Stone Tower Dr, Alpine, NJ is $9,999,999 as of Sep 24, 2026. The likely range is $9,999,999 to $9,999,999. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23 Stone Tower Dr, Alpine, NJ last sell?

23 Stone Tower Dr, Alpine, NJ last sold on Jul 22, 2016 for $4,175,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

When was 23 Stone Tower Dr, Alpine, NJ built?

23 Stone Tower Dr, Alpine, NJ was built in 2021, making it 5 years old. It is a colonial home. The building has 2 stories.

What schools serve 23 Stone Tower Dr, Alpine, NJ?

23 Stone Tower Dr, Alpine, NJ is assigned to Alpine Elementary School (elementary), rated A+; Tenafly High School (high), rated A-. All sit in Alpine Borough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23 Stone Tower Dr, Alpine, NJ compare to other homes in Alpine 07620?

Among the 533 homes in Alpine 07620, it is worth more than almost all of them ($9,999,999 against a typical $4,255,042), its price per square foot is higher than 63% of them ($817 against a typical $727), it is bigger than 96% of them (12,233 ft² against a typical 5,190 ft²), its lot is bigger than 80% of them (2 ac against a typical 1.47 ac) and it is newer than 94% of them (2021 against a typical 1985). Measured against all of Bergen County, it is worth more than almost all 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 23 Stone Tower Dr, Alpine, NJ?

The 2025 property tax bill for 23 Stone Tower Dr, Alpine, NJ was $84,128. The county assessed it at $10,051,100.

More homes on Stone Tower Dr

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Assigned schools

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