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Single Family ResidenceResidential
$487,496$293 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

21 HALSEY AVE

ROCKAWAY, NJ 07866
0
Baths
1,665 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$487K
$460K low$515K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$487,496
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$389,997

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,382 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$252,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$150,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$102,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$252,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$252,100

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.29 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

Scores 0–100; higher = greater projected risk.

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.Cape Cod
CountyMORRIS
Lot (acres)The size of the land the home sits on, from county records.0.16
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(2)

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
Thomas Jefferson Middle SchoolB+
Middle · Grades 4–8 · 0.3 mi
E
Lincoln Elementary SchoolB+
Elementary · Grades PK–3 · 0.3 mi
H
Morris Hills High SchoolB+
High · Grades 9–12 · 1.3 mi

District: Rockaway Borough School District

Neighborhood · ZIP 07866These 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.86
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.101

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.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.7%
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.22,161
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.982 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$116,734
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$149,991
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.53 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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 Halsey 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 less than 84% of homes in Morris County
  • Costs less per square foot than 84% of homes in Morris County
  • Smaller than 66% of homes in Morris County
  • Has a smaller lot than 78% of homes in Morris County
  • Older than 91% of homes in Rockaway 07866

What homes are worth in Rockaway 07866

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

This home
$297K$1.1M

This home is worth more than 20% of homes in Rockaway 07866.

How it measures up in Rockaway 07866

The dot is this home. The mark in the middle is the typical home in Rockaway 07866.

Estimated value$487,496
CheaperTypical $568,210Pricier

Pricier than 20% of homes nearby

Price per ft²$293
CheaperTypical $342Pricier

Pricier than 19% of homes nearby

Living area1,665 ft²
SmallerTypical 1,657 ft²Bigger

Bigger than 50% of homes nearby

Lot size0.16 ac
SmallerTypical 0.24 acBigger

Bigger than 29% of homes nearby

Year built1930
OlderTypical 1965Newer

Newer than 9% of homes nearby

How 21 Halsey Ave ranks against every home in each area.
MeasureThis homeRockaway 07866Morris County
Estimated valuepricier than$487,49620% of homes16% of homes
Price per ft²pricier than$29319% of homes16% of homes
Living areabigger than1,665 ft²50% of homes34% of homes
Lot sizebigger than0.16 ac29% of homes22% of homes
Year builtnewer than19309% of homes13% of homes

About 21 Halsey Ave

How much is 21 Halsey Ave, Rockaway, NJ worth?

The TopHap Estimate for 21 Halsey Ave, Rockaway, NJ is $487,496 as of Jul 14, 2026. The likely range is $460,324 to $514,668. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Halsey Ave, Rockaway, NJ last sell?

21 Halsey Ave, Rockaway, NJ last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Halsey Ave, Rockaway, NJ?

21 Halsey Ave, Rockaway, NJ has 1,665 square feet of living space and a 0.16-acre lot.

When was 21 Halsey Ave, Rockaway, NJ built?

21 Halsey Ave, Rockaway, NJ was built in 1930, making it 96 years old. It is a cape cod home. The building has 1 story.

What schools serve 21 Halsey Ave, Rockaway, NJ?

21 Halsey Ave, Rockaway, NJ is assigned to Thomas Jefferson Middle School (middle), rated B+; Lincoln Elementary School (elementary), rated B+; Morris Hills High School (high), rated B+. All sit in Rockaway Borough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Halsey Ave, Rockaway, NJ compare to other homes in Rockaway 07866?

Among the 8,204 homes in Rockaway 07866, it is worth more than 20% of them ($487,496 against a typical $568,210), its price per square foot is higher than 19% of them ($293 against a typical $342), it is bigger than 50% of them (1,665 ft² against a typical 1,657 ft²), its lot is bigger than 29% of them (0.16 ac against a typical 0.24 ac) and it is newer than 9% of them (1930 against a typical 1965). Measured against all of Morris County, it is worth more than 16% 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 Halsey Ave, Rockaway, NJ?

The 2024 property tax bill for 21 Halsey Ave, Rockaway, NJ was $8,382. The county assessed it at $252,100.

Closest homes

More homes in Rockaway 07866

Assigned schools

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