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Single Family ResidenceResidential
$529,242$532 / 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 Aug 30, 2026
Last sold for $390,000 on May 26, 2023

91 UPPER MOUNTAIN AVE

ROCKAWAY, NJ 07866
0
Baths
994 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.
0.62 ac
Lot SizeThe size of the land the home sits on, from county records.
1954
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$529K
$493K low$565K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$390,000 · May 26, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,433 (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.$452,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$289,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$163,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$409,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$452,400

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMORRIS
Lot (acres)The size of the land the home sits on, from county records.0.62
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(4)

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
Copeland Middle SchoolC+
Middle · Grades 6–8 · 0.9 mi
E
Stony Brook Elementary SchoolB+
Elementary · Grades KG–5 · 1.1 mi
H
Morris Hills High SchoolB+
High · Grades 9–12 · 2.7 mi

District: Rockaway Township 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%

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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

91 Upper Mountain 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 79% of homes in Morris County
  • Costs more per square foot than 98% of homes in Rockaway 07866
  • Smaller than 93% of homes in Morris County
  • Has a bigger lot than 87% of homes in Rockaway 07866
  • Older than 71% of homes in Morris County

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
$283K$1.1M

This home is worth more than 36% 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$529,242
CheaperTypical $566,285Pricier

Pricier than 36% of homes nearby

Price per ft²$532
CheaperTypical $340Pricier

Pricier than 98% of homes nearby

Living area994 ft²
SmallerTypical 1,652 ft²Bigger

Bigger than 8% of homes nearby

Lot size0.62 ac
SmallerTypical 0.24 acBigger

Bigger than 87% of homes nearby

Year built1954
OlderTypical 1965Newer

Newer than 30% of homes nearby

How 91 Upper Mountain Ave ranks against every home in each area.
MeasureThis homeRockaway 07866Morris County
Estimated valuepricier than$529,24236% of homes21% of homes
Price per ft²pricier than$53298% of homes91% of homes
Living areabigger than994 ft²8% of homes7% of homes
Lot sizebigger than0.62 ac87% of homes74% of homes
Year builtnewer than195430% of homes29% of homes

About 91 Upper Mountain Ave

How much is 91 Upper Mountain Ave, Rockaway, NJ worth?

The TopHap Estimate for 91 Upper Mountain Ave, Rockaway, NJ is $529,242 as of Aug 30, 2026. The likely range is $493,162 to $565,322. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 91 Upper Mountain Ave, Rockaway, NJ last sell?

91 Upper Mountain Ave, Rockaway, NJ last sold on May 26, 2023 for $390,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 91 Upper Mountain Ave, Rockaway, NJ?

91 Upper Mountain Ave, Rockaway, NJ has 994 square feet of living space and a 0.62-acre lot.

When was 91 Upper Mountain Ave, Rockaway, NJ built?

91 Upper Mountain Ave, Rockaway, NJ was built in 1954, making it 72 years old. The building has 1 story.

What schools serve 91 Upper Mountain Ave, Rockaway, NJ?

91 Upper Mountain Ave, Rockaway, NJ is assigned to Copeland Middle School (middle), rated C+; Stony Brook Elementary School (elementary), rated B+; Morris Hills High School (high), rated B+. All sit in Rockaway Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 91 Upper Mountain Ave, Rockaway, NJ compare to other homes in Rockaway 07866?

Among the 8,204 homes in Rockaway 07866, it is worth more than 36% of them ($529,242 against a typical $566,285), its price per square foot is higher than 98% of them ($532 against a typical $340), it is bigger than 8% of them (994 ft² against a typical 1,652 ft²), its lot is bigger than 87% of them (0.62 ac against a typical 0.24 ac) and it is newer than 30% of them (1954 against a typical 1965). Measured against all of Morris County, it is worth more than 21% 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 91 Upper Mountain Ave, Rockaway, NJ?

The 2024 property tax bill for 91 Upper Mountain Ave, Rockaway, NJ was $9,433. The county assessed it at $452,400.

More homes on Upper Mountain Ave

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More homes in Rockaway 07866

Assigned schools

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