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Single Family ResidenceResidential
$877,157$263 / 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 Oct 21, 2026

20 MARINER DR

RANDOLPH, NJ 07869
0
Baths
3,341 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.
0.65 ac
Lot SizeThe size of the land the home sits on, from county records.
1988
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$877K
$820K low$934K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,869 (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.$489,900 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$166,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$323,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$489,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$489,900

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.0.65
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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
Fernbrook SchoolB-
Elementary · Grades KG–5 · 1.5 mi
H
Randolph High SchoolB-
High · Grades 9–12 · 1.9 mi
M
Randolph Middle SchoolB+
Middle · Grades 6–8 · 1.9 mi

District: Randolph Township School District

Neighborhood · ZIP 07869These 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.57
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
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.40%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.8%
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.26,744
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,309 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$169,203
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$187,859
Average tempThe average temperature here across a full year.48°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

20 Mariner Dr 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 69% of homes in Morris County
  • Costs less per square foot than 94% of homes in Randolph 07869
  • Bigger than 88% of homes in Morris County
  • Has a bigger lot than 75% of homes in Morris County
  • Newer than 75% of homes in Morris County

What homes are worth in Randolph 07869

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

This home
$417K$1.5M

This home is worth more than 58% of homes in Randolph 07869.

How it measures up in Randolph 07869

The dot is this home. The mark in the middle is the typical home in Randolph 07869.

Estimated value$877,157
CheaperTypical $827,760Pricier

Pricier than 58% of homes nearby

Price per ft²$263
CheaperTypical $345Pricier

Pricier than 6% of homes nearby

Living area3,341 ft²
SmallerTypical 2,410 ft²Bigger

Bigger than 84% of homes nearby

Lot size0.65 ac
SmallerTypical 0.58 acBigger

Bigger than 60% of homes nearby

Year built1988
OlderTypical 1977Newer

Newer than 70% of homes nearby

How 20 Mariner Dr ranks against every home in each area.
MeasureThis homeRandolph 07869Morris County
Estimated valuepricier than$877,15758% of homes69% of homes
Price per ft²pricier than$2636% of homes7% of homes
Living areabigger than3,341 ft²84% of homes88% of homes
Lot sizebigger than0.65 ac60% of homes75% of homes
Year builtnewer than198870% of homes75% of homes

About 20 Mariner Dr

How much is 20 Mariner Dr, Randolph, NJ worth?

The TopHap Estimate for 20 Mariner Dr, Randolph, NJ is $877,157 as of Oct 21, 2026. The likely range is $820,093 to $934,221. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Mariner Dr, Randolph, NJ last sell?

20 Mariner Dr, Randolph, NJ last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 20 Mariner Dr, Randolph, NJ?

20 Mariner Dr, Randolph, NJ has 3,341 square feet of living space and a 0.65-acre lot.

When was 20 Mariner Dr, Randolph, NJ built?

20 Mariner Dr, Randolph, NJ was built in 1988, making it 38 years old. The building has 2 stories.

What schools serve 20 Mariner Dr, Randolph, NJ?

20 Mariner Dr, Randolph, NJ is assigned to Fernbrook School (elementary), rated B-; Randolph High School (high), rated B-; Randolph Middle School (middle), rated B+. All sit in Randolph Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Mariner Dr, Randolph, NJ compare to other homes in Randolph 07869?

Among the 7,373 homes in Randolph 07869, it is worth more than 58% of them ($877,157 against a typical $827,760), its price per square foot is higher than 6% of them ($263 against a typical $345), it is bigger than 84% of them (3,341 ft² against a typical 2,410 ft²), its lot is bigger than 60% of them (0.65 ac against a typical 0.58 ac) and it is newer than 70% of them (1988 against a typical 1977). Measured against all of Morris County, it is worth more than 69% 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 20 Mariner Dr, Randolph, NJ?

The 2024 property tax bill for 20 Mariner Dr, Randolph, NJ was $13,869. The county assessed it at $489,900.

More homes on Mariner Dr

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More homes in Randolph 07869

Assigned schools

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