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Single Family ResidenceResidential
$666,991$315 / 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 95How 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 COOPER LN

CHESTER, NJ 07930
0
Baths
2,120 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.
2.29 ac
Lot SizeThe size of the land the home sits on, from county records.
1945
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$667K
$633K low$701K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,171 (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.$392,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$232,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$159,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$392,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$392,100

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.46
11
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
18
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
64
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
97
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
43
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Cape Cod
CountyMORRIS
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
Dickerson Elementary School
Elementary · Grades PK–2 · 0.7 mi
M
Black River Middle SchoolA
Middle · Grades 6–8 · 1.4 mi
H
West Morris Mendham High SchoolA-
High · Grades 9–12 · 4.3 mi

District: Chester Township School District

Neighborhood · ZIP 07930These 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.73
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.93

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.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.8,300
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.341 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$180,876
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$224,662
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

21 Cooper 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 84% of homes in Chester 07930
  • Costs less per square foot than 75% of homes in Morris County
  • Smaller than 77% of homes in Chester 07930
  • Has a bigger lot than 94% of homes in Morris County
  • Older than 89% of homes in Chester 07930

What homes are worth in Chester 07930

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

This home
$459K$1.8M

This home is worth more than 16% of homes in Chester 07930.

How it measures up in Chester 07930

The dot is this home. The mark in the middle is the typical home in Chester 07930.

Estimated value$666,991
CheaperTypical $935,636Pricier

Pricier than 16% of homes nearby

Price per ft²$315
CheaperTypical $328Pricier

Pricier than 41% of homes nearby

Living area2,120 ft²
SmallerTypical 2,949 ft²Bigger

Bigger than 23% of homes nearby

Lot size2.29 ac
SmallerTypical 2.02 acBigger

Bigger than 64% of homes nearby

Year built1945
OlderTypical 1979Newer

Newer than 11% of homes nearby

How 21 Cooper Ln ranks against every home in each area.
MeasureThis homeChester 07930Morris County
Estimated valuepricier than$666,99116% of homes42% of homes
Price per ft²pricier than$31541% of homes25% of homes
Living areabigger than2,120 ft²23% of homes56% of homes
Lot sizebigger than2.29 ac64% of homes94% of homes
Year builtnewer than194511% of homes19% of homes

About 21 Cooper Ln

How much is 21 Cooper Ln, Chester, NJ worth?

The TopHap Estimate for 21 Cooper Ln, Chester, NJ is $666,991 as of Oct 21, 2026. The likely range is $632,847 to $701,135. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Cooper Ln, Chester, NJ last sell?

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

When was 21 Cooper Ln, Chester, NJ built?

21 Cooper Ln, Chester, NJ was built in 1945, making it 81 years old. It is a cape cod home. The building has 1 story.

What schools serve 21 Cooper Ln, Chester, NJ?

21 Cooper Ln, Chester, NJ is assigned to Dickerson Elementary School (elementary); Black River Middle School (middle), rated A; West Morris Mendham High School (high), rated A-. All sit in Chester Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Cooper Ln, Chester, NJ compare to other homes in Chester 07930?

Among the 2,788 homes in Chester 07930, it is worth more than 16% of them ($666,991 against a typical $935,636), its price per square foot is higher than 41% of them ($315 against a typical $328), it is bigger than 23% of them (2,120 ft² against a typical 2,949 ft²), its lot is bigger than 64% of them (2.29 ac against a typical 2.02 ac) and it is newer than 11% of them (1945 against a typical 1979). Measured against all of Morris County, it is worth more than 42% 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 Cooper Ln, Chester, NJ?

The 2024 property tax bill for 21 Cooper Ln, Chester, NJ was $10,171. The county assessed it at $392,100.

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