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Single Family ResidenceResidential
$860,401$309 / 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 91How 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

21 COTTAGE ST

SOUTH ORANGE, NJ 07079
0
Baths
2,788 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.
0.31 ac
Lot SizeThe size of the land the home sits on, from county records.
1911
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$860K
$780K low$941K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$17,395 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$673,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$285,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$387,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$673,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$673,200

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyESSEX
Lot (acres)The size of the land the home sits on, from county records.0.31
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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.

E
Marshall Elementary SchoolA+
Elementary · Grades KG–3 · 0.4 mi
M
South Orange Middle SchoolB+
Middle · Grades 6–8 · 0.5 mi
H
Columbia High SchoolB-
High · Grades 9–12 · 0.9 mi

District: South Orange-Maplewood School District

Neighborhood · ZIP 07079These 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.45
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.112

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.95%
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.5.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.18,760
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,087 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$163,519
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$231,941
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.50 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

21 Cottage 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 74% of homes in South Orange 07079
  • Costs less per square foot than 96% of homes in South Orange 07079
  • Bigger than 73% of homes in Essex County
  • Has a bigger lot than 80% of homes in Essex County
  • Older than 84% of homes in South Orange 07079

What homes are worth in South Orange 07079

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

This home
$403K$1.9M

This home is worth more than 26% of homes in South Orange 07079.

How it measures up in South Orange 07079

The dot is this home. The mark in the middle is the typical home in South Orange 07079.

Estimated value$860,401
CheaperTypical $1,109,135Pricier

Pricier than 26% of homes nearby

Price per ft²$309
CheaperTypical $448Pricier

Pricier than 4% of homes nearby

Living area2,788 ft²
SmallerTypical 2,396 ft²Bigger

Bigger than 64% of homes nearby

Lot size0.31 ac
SmallerTypical 0.23 acBigger

Bigger than 64% of homes nearby

Year built1911
OlderTypical 1928Newer

Newer than 16% of homes nearby

How 21 Cottage St ranks against every home in each area.
MeasureThis homeSouth Orange 07079Essex County
Estimated valuepricier than$860,40126% of homes69% of homes
Price per ft²pricier than$3094% of homes33% of homes
Living areabigger than2,788 ft²64% of homes73% of homes
Lot sizebigger than0.31 ac64% of homes80% of homes
Year builtnewer than191116% of homes17% of homes

About 21 Cottage St

How much is 21 Cottage St, South Orange, NJ worth?

The TopHap Estimate for 21 Cottage St, South Orange, NJ is $860,401 as of Oct 21, 2026. The likely range is $779,929 to $940,873. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Cottage St, South Orange, NJ last sell?

21 Cottage St, South Orange, NJ last sold on Jan 1, 1900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 Cottage St, South Orange, NJ?

21 Cottage St, South Orange, NJ has 2,788 square feet of living space and a 0.31-acre lot.

When was 21 Cottage St, South Orange, NJ built?

21 Cottage St, South Orange, NJ was built in 1911, making it 115 years old. The building has 2 stories.

What schools serve 21 Cottage St, South Orange, NJ?

21 Cottage St, South Orange, NJ is assigned to Marshall Elementary School (elementary), rated A+; South Orange Middle School (middle), rated B+; Columbia High School (high), rated B-. All sit in South Orange-Maplewood School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Cottage St, South Orange, NJ compare to other homes in South Orange 07079?

Among the 4,269 homes in South Orange 07079, it is worth more than 26% of them ($860,401 against a typical $1,109,135), its price per square foot is higher than 4% of them ($309 against a typical $448), it is bigger than 64% of them (2,788 ft² against a typical 2,396 ft²), its lot is bigger than 64% of them (0.31 ac against a typical 0.23 ac) and it is newer than 16% of them (1911 against a typical 1928). Measured against all of Essex 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 21 Cottage St, South Orange, NJ?

The 2025 property tax bill for 21 Cottage St, South Orange, NJ was $17,395. The county assessed it at $673,200.

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