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Single Family ResidenceResidential
$439,805$344 / 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 95How 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

21 JOHN ST

ROCKAWAY, NJ 07866
0
Baths
1,278 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1958
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$440K
$417K low$463K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,907 (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.$237,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$145,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$92,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$237,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$237,800

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.0.11
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
Thomas Jefferson Middle SchoolB+
Middle · Grades 4–8 · 0.8 mi
E
Lincoln Elementary SchoolB+
Elementary · Grades PK–3 · 0.9 mi
H
Morris Hills High SchoolB+
High · Grades 9–12 · 1.8 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%

Owner Tools

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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 John 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 90% of homes in Morris County
  • Smaller than 83% of homes in Morris County
  • Has a smaller lot than 88% 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
$274K$1M

This home is worth more than 14% 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$439,805
CheaperTypical $563,374Pricier

Pricier than 14% of homes nearby

Price per ft²$344
CheaperTypical $340Pricier

Pricier than 52% of homes nearby

Living area1,278 ft²
SmallerTypical 1,653 ft²Bigger

Bigger than 23% of homes nearby

Lot size0.11 ac
SmallerTypical 0.24 acBigger

Bigger than 12% of homes nearby

Year built1958
OlderTypical 1965Newer

Newer than 37% of homes nearby

How 21 John St ranks against every home in each area.
MeasureThis homeRockaway 07866Morris County
Estimated valuepricier than$439,80514% of homes10% of homes
Price per ft²pricier than$34452% of homes40% of homes
Living areabigger than1,278 ft²23% of homes17% of homes
Lot sizebigger than0.11 ac12% of homes12% of homes
Year builtnewer than195837% of homes36% of homes

About 21 John St

How much is 21 John St, Rockaway, NJ worth?

The TopHap Estimate for 21 John St, Rockaway, NJ is $439,805 as of Aug 30, 2026. The likely range is $416,521 to $463,089. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 John St, Rockaway, NJ last sell?

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

How big is 21 John St, Rockaway, NJ?

21 John St, Rockaway, NJ has 1,278 square feet of living space and a 0.11-acre lot.

When was 21 John St, Rockaway, NJ built?

21 John St, Rockaway, NJ was built in 1958, making it 68 years old. It is a cape cod home. The building has 1 story.

What schools serve 21 John St, Rockaway, NJ?

21 John St, 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 John St, Rockaway, NJ compare to other homes in Rockaway 07866?

Among the 8,204 homes in Rockaway 07866, it is worth more than 14% of them ($439,805 against a typical $563,374), its price per square foot is higher than 52% of them ($344 against a typical $340), it is bigger than 23% of them (1,278 ft² against a typical 1,653 ft²), its lot is bigger than 12% of them (0.11 ac against a typical 0.24 ac) and it is newer than 37% of them (1958 against a typical 1965). Measured against all of Morris County, it is worth more than 10% 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 John St, Rockaway, NJ?

The 2024 property tax bill for 21 John St, Rockaway, NJ was $7,907. The county assessed it at $237,800.

More homes on John St

Closest homes

More homes in Rockaway 07866

Assigned schools

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