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Residential (General/Single)Residential
$697,209$456 / 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 89How 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 $492,000 on Oct 18, 2006

20 RIVERDALE ST

HILLSDALE, NJ 07642
0
Baths
1,529 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1951
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$697K
$620K low$774K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$492,000 · Oct 18, 2006

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,460 (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.$404,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$247,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$156,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$404,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$404,200

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyBERGEN
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(4)

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
Pascack Valley High SchoolB+
High · Grades 9–12 · 0.4 mi
M
George G. White SchoolB
Middle · Grades 5–8 · 0.4 mi
E
Meadowbrook SchoolB
Elementary · Grades PK–4 · 0.7 mi

District: Pascack Valley Regional School District

Neighborhood · ZIP 07642These 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.21
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.113
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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.2%
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.10,400
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,471 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$161,857
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$183,566
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

20 Riverdale St 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 less than 76% of homes in Hillsdale 07642
  • Costs more per square foot than 65% of homes in Hillsdale 07642
  • Smaller than 75% of homes in Hillsdale 07642
  • Has a smaller lot than 77% of homes in Hillsdale 07642

What homes are worth in Hillsdale 07642

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

This home
$479K$1.3M

This home is worth more than 24% of homes in Hillsdale 07642.

How it measures up in Hillsdale 07642

The dot is this home. The mark in the middle is the typical home in Hillsdale 07642.

Estimated value$697,209
CheaperTypical $801,646Pricier

Pricier than 24% of homes nearby

Price per ft²$456
CheaperTypical $424Pricier

Pricier than 65% of homes nearby

Living area1,529 ft²
SmallerTypical 1,908 ft²Bigger

Bigger than 25% of homes nearby

Lot size0.17 ac
SmallerTypical 0.29 acBigger

Bigger than 23% of homes nearby

Year built1951
OlderTypical 1954Newer

Newer than 39% of homes nearby

How 20 Riverdale St ranks against every home in each area.
MeasureThis homeHillsdale 07642Bergen County
Estimated valuepricier than$697,20924% of homes38% of homes
Price per ft²pricier than$45665% of homes61% of homes
Living areabigger than1,529 ft²25% of homes32% of homes
Lot sizebigger than0.17 ac23% of homes55% of homes
Year builtnewer than195139% of homes44% of homes

About 20 Riverdale St

How much is 20 Riverdale St, Hillsdale, NJ worth?

The TopHap Estimate for 20 Riverdale St, Hillsdale, NJ is $697,209 as of Aug 30, 2026. The likely range is $620,097 to $774,321. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Riverdale St, Hillsdale, NJ last sell?

20 Riverdale St, Hillsdale, NJ last sold on Oct 18, 2006 for $492,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 20 Riverdale St, Hillsdale, NJ?

20 Riverdale St, Hillsdale, NJ has 1,529 square feet of living space and a 0.17-acre lot.

When was 20 Riverdale St, Hillsdale, NJ built?

20 Riverdale St, Hillsdale, NJ was built in 1951, making it 75 years old. The building has 1 story.

What schools serve 20 Riverdale St, Hillsdale, NJ?

20 Riverdale St, Hillsdale, NJ is assigned to Pascack Valley High School (high), rated B+; George G. White School (middle), rated B; Meadowbrook School (elementary), rated B. All sit in Pascack Valley Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Riverdale St, Hillsdale, NJ compare to other homes in Hillsdale 07642?

Among the 3,355 homes in Hillsdale 07642, it is worth more than 24% of them ($697,209 against a typical $801,646), its price per square foot is higher than 65% of them ($456 against a typical $424), it is bigger than 25% of them (1,529 ft² against a typical 1,908 ft²), its lot is bigger than 23% of them (0.17 ac against a typical 0.29 ac) and it is newer than 39% of them (1951 against a typical 1954). Measured against all of Bergen County, it is worth more than 38% 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 Riverdale St, Hillsdale, NJ?

The 2025 property tax bill for 20 Riverdale St, Hillsdale, NJ was $13,460. The county assessed it at $404,200.

More homes on Riverdale St

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More homes in Hillsdale 07642

Assigned schools

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