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Residential (General/Single)Residential
$1,214,977$410 / 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 92How 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 $820,000 on Jun 20, 2008

840 ALLISON DR

RIVER VALE, NJ 07675
0
Baths
2,966 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.
0.46 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
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

$1.2M
$1.1M low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$820,000 · Jun 20, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$20,800 (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.$742,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$378,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$364,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$742,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$742,600

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.15 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.0.2 percent flood zone

Scores 0–100; higher = greater projected risk.

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.Ranch
CountyBERGEN
Lot (acres)The size of the land the home sits on, from county records.0.46
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
Roberge Elementary SchoolA-
Elementary · Grades KG–5 · 1.2 mi
M
Holdrum Middle SchoolA
Middle · Grades 6–8 · 1.4 mi
H
Pascack Valley High SchoolB+
High · Grades 9–12 · 2.3 mi

District: Pascack Valley Regional School District

Neighborhood · ZIP 07675These 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.44
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.116
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.117

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.4%
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.27,744
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,580 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$163,434
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$182,897
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

840 Allison 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.

  • Worth more than 84% of homes in Bergen County
  • Bigger than 85% of homes in Bergen County
  • Has a bigger lot than 84% of homes in Bergen County
  • Newer than 82% of homes in Bergen County

What homes are worth in Westwood 07675

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

This home
$363K$2.4M

This home is worth more than 81% of homes in Westwood 07675.

How it measures up in Westwood 07675

The dot is this home. The mark in the middle is the typical home in Westwood 07675.

Estimated value$1,214,977
CheaperTypical $859,606Pricier

Pricier than 81% of homes nearby

Price per ft²$410
CheaperTypical $420Pricier

Pricier than 44% of homes nearby

Living area2,966 ft²
SmallerTypical 2,088 ft²Bigger

Bigger than 80% of homes nearby

Lot size0.46 ac
SmallerTypical 0.28 acBigger

Bigger than 72% of homes nearby

Year built1986
OlderTypical 1962Newer

Newer than 76% of homes nearby

How 840 Allison Dr ranks against every home in each area.
MeasureThis homeWestwood 07675Bergen County
Estimated valuepricier than$1,214,97781% of homes84% of homes
Price per ft²pricier than$41044% of homes41% of homes
Living areabigger than2,966 ft²80% of homes85% of homes
Lot sizebigger than0.46 ac72% of homes84% of homes
Year builtnewer than198676% of homes82% of homes

About 840 Allison Dr

How much is 840 Allison Dr, River Vale, NJ worth?

The TopHap Estimate for 840 Allison Dr, River Vale, NJ is $1,214,977 as of Aug 30, 2026. The likely range is $1,114,634 to $1,315,320. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 840 Allison Dr, River Vale, NJ last sell?

840 Allison Dr, River Vale, NJ last sold on Jun 20, 2008 for $820,000, according to the county's recorded deed.

How big is 840 Allison Dr, River Vale, NJ?

840 Allison Dr, River Vale, NJ has 2,966 square feet of living space and a 0.46-acre lot.

When was 840 Allison Dr, River Vale, NJ built?

840 Allison Dr, River Vale, NJ was built in 1986, making it 40 years old. It is a ranch home. The building has 2 stories.

What schools serve 840 Allison Dr, River Vale, NJ?

840 Allison Dr, River Vale, NJ is assigned to Roberge Elementary School (elementary), rated A-; Holdrum Middle School (middle), rated A; Pascack Valley High School (high), rated B+. All sit in Pascack Valley Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 840 Allison Dr, River Vale, NJ compare to other homes in Westwood 07675?

Among the 8,808 homes in Westwood 07675, it is worth more than 81% of them ($1,214,977 against a typical $859,606), its price per square foot is higher than 44% of them ($410 against a typical $420), it is bigger than 80% of them (2,966 ft² against a typical 2,088 ft²), its lot is bigger than 72% of them (0.46 ac against a typical 0.28 ac) and it is newer than 76% of them (1986 against a typical 1962). Measured against all of Bergen County, it is worth more than 84% 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 840 Allison Dr, River Vale, NJ?

The 2025 property tax bill for 840 Allison Dr, River Vale, NJ was $20,800. The county assessed it at $742,600.

More homes on Allison Dr

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Assigned schools

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