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Single Family ResidenceResidential
$618,760$547 / 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
Last sold for $352,000 on May 8, 2019

21 WINDSOR AVE

RANDOLPH, NJ 07869
0
Baths
1,132 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.
0.34 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
Pre-foreclosure (LIS)A foreclosure notice on this home is currently active. Many are worked out before any auction happens.
A foreclosure-related notice has been recorded for this property.

Valuation

$619K
$578K low$659K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$352,000 · May 8, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,949 (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.$280,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$138,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$142,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$280,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$280,800

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.0.34
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.

Foreclosure Filings(1)

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 · 0.5 mi
M
Randolph Middle SchoolB+
Middle · Grades 6–8 · 1.8 mi
H
Randolph High SchoolB-
High · Grades 9–12 · 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

21 Windsor 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 83% of homes in Randolph 07869
  • Among the highest price per square foot in Randolph 07869
  • Smaller than 97% of homes in Randolph 07869
  • Has a smaller lot than 82% of homes in Randolph 07869
  • Older than 82% of homes in Randolph 07869

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 17% 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$618,760
CheaperTypical $827,760Pricier

Pricier than 17% of homes nearby

Price per ft²$547
CheaperTypical $345Pricier

Pricier than almost all homes nearby

Living area1,132 ft²
SmallerTypical 2,410 ft²Bigger

Bigger than 3% of homes nearby

Lot size0.34 ac
SmallerTypical 0.58 acBigger

Bigger than 18% of homes nearby

Year built1956
OlderTypical 1977Newer

Newer than 18% of homes nearby

How 21 Windsor Ave ranks against every home in each area.
MeasureThis homeRandolph 07869Morris County
Estimated valuepricier than$618,76017% of homes36% of homes
Price per ft²pricier than$547almost all homes92% of homes
Living areabigger than1,132 ft²3% of homes11% of homes
Lot sizebigger than0.34 ac18% of homes51% of homes
Year builtnewer than195618% of homes33% of homes

About 21 Windsor Ave

How much is 21 Windsor Ave, Randolph, NJ worth?

The TopHap Estimate for 21 Windsor Ave, Randolph, NJ is $618,760 as of Oct 21, 2026. The likely range is $578,361 to $659,159. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Windsor Ave, Randolph, NJ last sell?

21 Windsor Ave, Randolph, NJ last sold on May 8, 2019 for $352,000, according to the county's recorded deed.

How big is 21 Windsor Ave, Randolph, NJ?

21 Windsor Ave, Randolph, NJ has 1,132 square feet of living space and a 0.34-acre lot.

When was 21 Windsor Ave, Randolph, NJ built?

21 Windsor Ave, Randolph, NJ was built in 1956, making it 70 years old. The building has 1 story.

What schools serve 21 Windsor Ave, Randolph, NJ?

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

How does 21 Windsor Ave, Randolph, NJ compare to other homes in Randolph 07869?

Among the 7,373 homes in Randolph 07869, it is worth more than 17% of them ($618,760 against a typical $827,760), its price per square foot is higher than almost all of them ($547 against a typical $345), it is bigger than 3% of them (1,132 ft² against a typical 2,410 ft²), its lot is bigger than 18% of them (0.34 ac against a typical 0.58 ac) and it is newer than 18% of them (1956 against a typical 1977). Measured against all of Morris County, it is worth more than 36% 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 Windsor Ave, Randolph, NJ?

The 2024 property tax bill for 21 Windsor Ave, Randolph, NJ was $7,949. The county assessed it at $280,800.

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