Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$464,247$379 / 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 TROLL LN

ROCKAWAY, NJ 07866
0
Baths
1,224 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.
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.
1949
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$464K
$436K low$492K 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.$286,747
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$229,398
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.41%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$127,500
BANK OF AMERICA · R · recorded Jul 10, 2006
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$50,000
BANK OF AMERICA

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,792 (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.$371,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$261,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$109,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$335,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$371,000

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.0.33
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

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Katharine D Malone Elementary SchoolB
Elementary · Grades KG–5 · 0.4 mi
M
Copeland Middle SchoolC+
Middle · Grades 6–8 · 3.0 mi
H
Morris Knolls High SchoolB-
High · Grades 9–12 · 5.0 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%

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 Troll Ln 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 88% of homes in Morris County
  • Costs more per square foot than 70% of homes in Rockaway 07866
  • Smaller than 86% of homes in Morris County
  • Has a bigger lot than 65% of homes in Rockaway 07866
  • Older than 84% 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
$295K$1M

This home is worth more than 16% 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$464,247
CheaperTypical $568,210Pricier

Pricier than 16% of homes nearby

Price per ft²$379
CheaperTypical $342Pricier

Pricier than 70% of homes nearby

Living area1,224 ft²
SmallerTypical 1,647 ft²Bigger

Bigger than 20% of homes nearby

Lot size0.33 ac
SmallerTypical 0.24 acBigger

Bigger than 65% of homes nearby

Year built1949
OlderTypical 1965Newer

Newer than 16% of homes nearby

How 21 Troll Ln ranks against every home in each area.
MeasureThis homeRockaway 07866Morris County
Estimated valuepricier than$464,24716% of homes12% of homes
Price per ft²pricier than$37970% of homes58% of homes
Living areabigger than1,224 ft²20% of homes14% of homes
Lot sizebigger than0.33 ac65% of homes47% of homes
Year builtnewer than194916% of homes21% of homes

About 21 Troll Ln

How much is 21 Troll Ln, Rockaway, NJ worth?

The TopHap Estimate for 21 Troll Ln, Rockaway, NJ is $464,247 as of Jul 14, 2026. The likely range is $436,479 to $492,015. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Troll Ln, Rockaway, NJ last sell?

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

How big is 21 Troll Ln, Rockaway, NJ?

21 Troll Ln, Rockaway, NJ has 1,224 square feet of living space and a 0.33-acre lot.

When was 21 Troll Ln, Rockaway, NJ built?

21 Troll Ln, Rockaway, NJ was built in 1949, making it 77 years old. The building has 1 story.

What schools serve 21 Troll Ln, Rockaway, NJ?

21 Troll Ln, Rockaway, NJ is assigned to Katharine D Malone Elementary School (elementary), rated B; Copeland Middle School (middle), rated C+; Morris Knolls 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 21 Troll Ln, Rockaway, NJ compare to other homes in Rockaway 07866?

Among the 8,204 homes in Rockaway 07866, it is worth more than 16% of them ($464,247 against a typical $568,210), its price per square foot is higher than 70% of them ($379 against a typical $342), it is bigger than 20% of them (1,224 ft² against a typical 1,647 ft²), its lot is bigger than 65% of them (0.33 ac against a typical 0.24 ac) and it is newer than 16% of them (1949 against a typical 1965). Measured against all of Morris County, it is worth more than 12% 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 Troll Ln, Rockaway, NJ?

The 2024 property tax bill for 21 Troll Ln, Rockaway, NJ was $7,792. The county assessed it at $371,000.

Closest homes

More homes in Rockaway 07866

Assigned schools

Explore the area

See this home in context

Open 21 Troll Ln 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