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Residential (General/Single)Residential
$1,729,189$454 / 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 Sep 24, 2026
Last sold for $1,045,500 on Jun 11, 2021

31 HALLBERG AVE

BERGENFIELD, NJ 07621
0
Baths
3,810 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.
0.27 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

$1.7M
$1.5M low$1.9M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,045,500 · Jun 11, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$31,885 (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.$853,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$193,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$659,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$853,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$853,000

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.Duplex Single
CountyBERGEN
Lot (acres)The size of the land the home sits on, from county records.0.27
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(3)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(4)

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 · 0.3 mi
H
Bergenfield High SchoolA
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%

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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

31 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 98% of homes in Bergenfield 07621
  • Bigger than 98% of homes in Bergenfield 07621
  • Has a bigger lot than 95% of homes in Bergenfield 07621
  • Among the newest 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
$309K$1.8M

This home is worth more than 98% 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$1,729,189
CheaperTypical $683,925Pricier

Pricier than 98% of homes nearby

Price per ft²$454
CheaperTypical $456Pricier

Pricier than 49% of homes nearby

Living area3,810 ft²
SmallerTypical 1,512 ft²Bigger

Bigger than 98% of homes nearby

Lot size0.27 ac
SmallerTypical 0.13 acBigger

Bigger than 95% of homes nearby

Year built2021
OlderTypical 1949Newer

Newer than almost all homes nearby

How 31 Hallberg Ave ranks against every home in each area.
MeasureThis homeBergenfield 07621Bergen County
Estimated valuepricier than$1,729,18998% of homes93% of homes
Price per ft²pricier than$45449% of homes59% of homes
Living areabigger than3,810 ft²98% of homes93% of homes
Lot sizebigger than0.27 ac95% of homes72% of homes
Year builtnewer than2021almost all homesalmost all homes

About 31 Hallberg Ave

How much is 31 Hallberg Ave, Bergenfield, NJ worth?

The TopHap Estimate for 31 Hallberg Ave, Bergenfield, NJ is $1,729,189 as of Sep 24, 2026. The likely range is $1,539,456 to $1,918,922. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 31 Hallberg Ave, Bergenfield, NJ last sell?

31 Hallberg Ave, Bergenfield, NJ last sold on Jun 11, 2021 for $1,045,500, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 31 Hallberg Ave, Bergenfield, NJ?

31 Hallberg Ave, Bergenfield, NJ has 3,810 square feet of living space and a 0.27-acre lot.

When was 31 Hallberg Ave, Bergenfield, NJ built?

31 Hallberg Ave, Bergenfield, NJ was built in 2021, making it 5 years old. It is a duplex single home. The building has 2 stories.

What schools serve 31 Hallberg Ave, Bergenfield, NJ?

31 Hallberg Ave, Bergenfield, NJ is assigned to Lincoln Elementary School (elementary), rated A-; Bergenfield High School (high), rated A; 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 31 Hallberg Ave, Bergenfield, NJ compare to other homes in Bergenfield 07621?

Among the 6,990 homes in Bergenfield 07621, it is worth more than 98% of them ($1,729,189 against a typical $683,925), its price per square foot is higher than 49% of them ($454 against a typical $456), it is bigger than 98% of them (3,810 ft² against a typical 1,512 ft²), its lot is bigger than 95% of them (0.27 ac against a typical 0.13 ac) and it is newer than almost all of them (2021 against a typical 1949). Measured against all of Bergen County, it is worth more than 93% 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 31 Hallberg Ave, Bergenfield, NJ?

The 2025 property tax bill for 31 Hallberg Ave, Bergenfield, NJ was $31,885. The county assessed it at $853,000.

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