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Single Family ResidenceResidential
$1,310,842$674 / 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 87How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $820,000 on Jun 30, 2023

21 BROOKSIDE AVE

DEMAREST, NJ 07627
0
Baths
1,944 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.
0.43 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$1.3M
$1.1M 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.$820,000 · Jun 30, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$18,530 (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.$1,026,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$670,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$356,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$523,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,026,600

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.Split Level
CountyBERGEN
Lot (acres)The size of the land the home sits on, from county records.0.43
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.

M
Demarest Middle SchoolA+
Middle · Grades 5–8 · 0.6 mi
H
Northern Valley Regional High School at DemarestA-
High · Grades 9–12 · 0.6 mi
E
County Road Elementary School
Elementary · Grades KG–1 · 0.7 mi

District: Northern Valley Regional School District

Neighborhood · ZIP 07627These 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.123
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.119

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.0.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.5,132
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,441 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$170,274
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$259,946
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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

21 Brookside 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 Bergen County
  • Costs more per square foot than 97% of homes in Bergen County
  • Smaller than 76% of homes in Demarest 07627
  • Has a bigger lot than 83% of homes in Bergen County
  • Newer than 74% of homes in Bergen County

What homes are worth in Demarest 07627

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

This home
$842K$4.6M

This home is worth more than 34% of homes in Demarest 07627.

How it measures up in Demarest 07627

The dot is this home. The mark in the middle is the typical home in Demarest 07627.

Estimated value$1,310,842
CheaperTypical $1,619,865Pricier

Pricier than 34% of homes nearby

Price per ft²$674
CheaperTypical $616Pricier

Pricier than 68% of homes nearby

Living area1,944 ft²
SmallerTypical 2,715 ft²Bigger

Bigger than 24% of homes nearby

Lot size0.43 ac
SmallerTypical 0.28 acBigger

Bigger than 72% of homes nearby

Year built1973
OlderTypical 1962Newer

Newer than 62% of homes nearby

How 21 Brookside Ave ranks against every home in each area.
MeasureThis homeDemarest 07627Bergen County
Estimated valuepricier than$1,310,84234% of homes86% of homes
Price per ft²pricier than$67468% of homes97% of homes
Living areabigger than1,944 ft²24% of homes55% of homes
Lot sizebigger than0.43 ac72% of homes83% of homes
Year builtnewer than197362% of homes74% of homes

About 21 Brookside Ave

How much is 21 Brookside Ave, Demarest, NJ worth?

The TopHap Estimate for 21 Brookside Ave, Demarest, NJ is $1,310,842 as of Oct 21, 2026. The likely range is $1,144,519 to $1,477,165. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Brookside Ave, Demarest, NJ last sell?

21 Brookside Ave, Demarest, NJ last sold on Jun 30, 2023 for $820,000, according to the county's recorded deed.

How big is 21 Brookside Ave, Demarest, NJ?

21 Brookside Ave, Demarest, NJ has 1,944 square feet of living space and a 0.43-acre lot.

When was 21 Brookside Ave, Demarest, NJ built?

21 Brookside Ave, Demarest, NJ was built in 1973, making it 53 years old. It is a split level home. The building has 1 story.

What schools serve 21 Brookside Ave, Demarest, NJ?

21 Brookside Ave, Demarest, NJ is assigned to Demarest Middle School (middle), rated A+; Northern Valley Regional High School at Demarest (high), rated A-; County Road Elementary School (elementary). All sit in Northern Valley Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Brookside Ave, Demarest, NJ compare to other homes in Demarest 07627?

Among the 1,693 homes in Demarest 07627, it is worth more than 34% of them ($1,310,842 against a typical $1,619,865), its price per square foot is higher than 68% of them ($674 against a typical $616), it is bigger than 24% of them (1,944 ft² against a typical 2,715 ft²), its lot is bigger than 72% of them (0.43 ac against a typical 0.28 ac) and it is newer than 62% of them (1973 against a typical 1962). Measured against all of Bergen 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 21 Brookside Ave, Demarest, NJ?

The 2025 property tax bill for 21 Brookside Ave, Demarest, NJ was $18,530. The county assessed it at $1,026,600.

More homes on Brookside Ave

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