Skip to content
Skip to content
TopHapOpen in map
Residential (General/Single)Residential
$985,317$413 / 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 93How 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 $236,000 on Jun 20, 1997

21 HALLBERG AVE

BERGENFIELD, NJ 07621
0
Baths
2,386 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1988
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$985K
$914K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$236,000 · Jun 20, 1997

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,171 (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.$432,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$192,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$240,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$432,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$432,600

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.0.23
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
Lincoln Elementary SchoolA-
Elementary · Grades PK–5 · 0.2 mi
H
Bergenfield High SchoolC+
High · Grades 9–12 · 0.3 mi
M
Roy W. Brown Middle SchoolB
Middle · Grades 6–8 · 0.6 mi

District: Bergenfield Public School District

Neighborhood · ZIP 07621These 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.64
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.121
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.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.7.9%
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.28,942
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.10,010 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$109,824
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$142,618
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%

Owner Tools

Do you own this home?
Claim this home

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 Hallberg 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 90% of homes in Bergenfield 07621
  • Costs less per square foot than 66% of homes in Bergenfield 07621
  • Bigger than 88% of homes in Bergenfield 07621
  • Has a bigger lot than 91% of homes in Bergenfield 07621
  • Newer than 94% of homes in Bergenfield 07621

What homes are worth in Bergenfield 07621

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

This home
$310K$1.7M

This home is worth more than 90% of homes in Bergenfield 07621.

How it measures up in Bergenfield 07621

The dot is this home. The mark in the middle is the typical home in Bergenfield 07621.

Estimated value$985,317
CheaperTypical $663,815Pricier

Pricier than 90% of homes nearby

Price per ft²$413
CheaperTypical $446Pricier

Pricier than 34% of homes nearby

Living area2,386 ft²
SmallerTypical 1,512 ft²Bigger

Bigger than 88% of homes nearby

Lot size0.23 ac
SmallerTypical 0.13 acBigger

Bigger than 91% of homes nearby

Year built1988
OlderTypical 1949Newer

Newer than 94% of homes nearby

How 21 Hallberg Ave ranks against every home in each area.
MeasureThis homeBergenfield 07621Bergen County
Estimated valuepricier than$985,31790% of homes71% of homes
Price per ft²pricier than$41334% of homes41% of homes
Living areabigger than2,386 ft²88% of homes72% of homes
Lot sizebigger than0.23 ac91% of homes65% of homes
Year builtnewer than198894% of homes84% of homes

About 21 Hallberg Ave

How much is 21 Hallberg Ave, Bergenfield, NJ worth?

The TopHap Estimate for 21 Hallberg Ave, Bergenfield, NJ is $985,317 as of Oct 21, 2026. The likely range is $914,148 to $1,056,486. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Hallberg Ave, Bergenfield, NJ last sell?

21 Hallberg Ave, Bergenfield, NJ last sold on Jun 20, 1997 for $236,000, according to the county's recorded deed.

How big is 21 Hallberg Ave, Bergenfield, NJ?

21 Hallberg Ave, Bergenfield, NJ has 2,386 square feet of living space and a 0.23-acre lot.

When was 21 Hallberg Ave, Bergenfield, NJ built?

21 Hallberg Ave, Bergenfield, NJ was built in 1988, making it 38 years old. The building has 1 story.

What schools serve 21 Hallberg Ave, Bergenfield, NJ?

21 Hallberg Ave, Bergenfield, NJ is assigned to Lincoln Elementary School (elementary), rated A-; Bergenfield High School (high), rated C+; Roy W. Brown Middle School (middle), rated B. All sit in Bergenfield Public School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Hallberg Ave, Bergenfield, NJ compare to other homes in Bergenfield 07621?

Among the 6,994 homes in Bergenfield 07621, it is worth more than 90% of them ($985,317 against a typical $663,815), its price per square foot is higher than 34% of them ($413 against a typical $446), it is bigger than 88% of them (2,386 ft² against a typical 1,512 ft²), its lot is bigger than 91% of them (0.23 ac against a typical 0.13 ac) and it is newer than 94% of them (1988 against a typical 1949). Measured against all of Bergen County, it is worth more than 71% 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 Hallberg Ave, Bergenfield, NJ?

The 2025 property tax bill for 21 Hallberg Ave, Bergenfield, NJ was $16,171. The county assessed it at $432,600.

More homes on Hallberg Ave

Closest homes

More homes in Bergenfield 07621

Assigned schools

Explore the area

See this home in context

Open 21 Hallberg Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map