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Single Family ResidenceResidential
$685,717$724 / 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 92How 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
Last sold for $576,000 on Dec 22, 2022

34 COWPERTHWAITE PL

WESTFIELD, NJ 07090
Building report
0
Baths
947 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$686K
$634K low$737K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$576,000 · Dec 22, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,133 (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.$442,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$275,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$167,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$442,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$442,100

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyUNION
Lot (acres)The size of the land the home sits on, from county records.0.30
ConstructionThe main material the home's frame and walls are built from.Brick
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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.

M
Roosevelt Intermediate SchoolB
Middle · Grades 6–8 · 0.2 mi
E
Franklin Elementary SchoolA
Elementary · Grades 1–5 · 0.5 mi
H
Westfield High SchoolA-
High · Grades 9–12 · 0.7 mi

District: Westfield Town School District

Neighborhood · ZIP 07090These 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.52
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
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.96%
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.2.2%
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.31,941
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,742 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$183,919
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$244,350
Average tempThe average temperature here across a full year.53°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

34 Cowperthwaite Pl 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 96% of homes in Westfield 07090
  • Costs more per square foot than 98% of homes in Westfield 07090
  • Among the smallest homes in Westfield 07090
  • Has a bigger lot than 83% of homes in Union County
  • Newer than 72% of homes in Union County

What homes are worth in Westfield 07090

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

This home
$617K$2.6M

This home is worth more than 4% of homes in Westfield 07090.

How it measures up in Westfield 07090

The dot is this home. The mark in the middle is the typical home in Westfield 07090.

Estimated value$685,717
CheaperTypical $1,195,881Pricier

Pricier than 4% of homes nearby

Price per ft²$724
CheaperTypical $508Pricier

Pricier than 98% of homes nearby

Living area947 ft²
SmallerTypical 2,410 ft²Bigger

Smaller than almost all homes nearby

Lot size0.3 ac
SmallerTypical 0.23 acBigger

Bigger than 72% of homes nearby

Year built1959
OlderTypical 1951Newer

Newer than 70% of homes nearby

How 34 Cowperthwaite Pl ranks against every home in each area.
MeasureThis homeWestfield 07090Union County
Estimated valuepricier than$685,7174% of homes59% of homes
Price per ft²pricier than$72498% of homes97% of homes
Living areabigger than947 ft²almost no homes8% of homes
Lot sizebigger than0.3 ac72% of homes83% of homes
Year builtnewer than195970% of homes72% of homes

About 34 Cowperthwaite Pl

How much is 34 Cowperthwaite Pl, Westfield, NJ worth?

The TopHap Estimate for 34 Cowperthwaite Pl, Westfield, NJ is $685,717 as of Jul 14, 2026. The likely range is $634,041 to $737,393. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 34 Cowperthwaite Pl, Westfield, NJ last sell?

34 Cowperthwaite Pl, Westfield, NJ last sold on Dec 22, 2022 for $576,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 34 Cowperthwaite Pl, Westfield, NJ?

34 Cowperthwaite Pl, Westfield, NJ has 947 square feet of living space and a 0.30-acre lot.

When was 34 Cowperthwaite Pl, Westfield, NJ built?

34 Cowperthwaite Pl, Westfield, NJ was built in 1959, making it 67 years old. The building has 1 story.

What schools serve 34 Cowperthwaite Pl, Westfield, NJ?

34 Cowperthwaite Pl, Westfield, NJ is assigned to Roosevelt Intermediate School (middle), rated B; Franklin Elementary School (elementary), rated A; Westfield High School (high), rated A-. All sit in Westfield Town School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 34 Cowperthwaite Pl, Westfield, NJ compare to other homes in Westfield 07090?

Among the 9,479 homes in Westfield 07090, it is worth more than 4% of them ($685,717 against a typical $1,195,881), its price per square foot is higher than 98% of them ($724 against a typical $508), it is bigger than almost none of them (947 ft² against a typical 2,410 ft²), its lot is bigger than 72% of them (0.3 ac against a typical 0.23 ac) and it is newer than 70% of them (1959 against a typical 1951). Measured against all of Union County, it is worth more than 59% 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 34 Cowperthwaite Pl, Westfield, NJ?

The 2025 property tax bill for 34 Cowperthwaite Pl, Westfield, NJ was $10,133. The county assessed it at $442,100.

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