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Single Family ResidenceResidential
$2,696,672$386 / 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 Aug 30, 2026
Last sold for $1,575,000 on Aug 31, 2021

231 KIMBALL AVE

WESTFIELD, NJ 07090
0
Baths
6,978 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.
0.93 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$2.7M
$2.5M low$2.9M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,575,000 · Aug 31, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$45,001 (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.$1,963,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$984,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$978,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,963,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,963,400

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.Colonial
CountyUNION
Lot (acres)The size of the land the home sits on, from county records.0.93
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.

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 · 0.3 mi
E
Franklin Elementary SchoolA
Elementary · Grades 1–5 · 0.4 mi
H
Westfield High SchoolA-
High · Grades 9–12 · 0.8 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

231 Kimball 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.

  • Among the most valuable homes in Union County
  • Costs less per square foot than 95% of homes in Westfield 07090
  • Among the largest homes in Westfield 07090
  • Has a bigger lot than 97% of homes in Westfield 07090
  • Older than 95% 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
$632K$2.7M

This home is worth more than 98% 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$2,696,672
CheaperTypical $1,227,249Pricier

Pricier than 98% of homes nearby

Price per ft²$386
CheaperTypical $525Pricier

Pricier than 5% of homes nearby

Living area6,978 ft²
SmallerTypical 2,405 ft²Bigger

Bigger than almost all homes nearby

Lot size0.93 ac
SmallerTypical 0.23 acBigger

Bigger than 97% of homes nearby

Year built1900
OlderTypical 1950Newer

Newer than 6% of homes nearby

How 231 Kimball Ave ranks against every home in each area.
MeasureThis homeWestfield 07090Union County
Estimated valuepricier than$2,696,67298% of homesalmost all homes
Price per ft²pricier than$3865% of homes44% of homes
Living areabigger than6,978 ft²almost all homesalmost all homes
Lot sizebigger than0.93 ac97% of homes97% of homes
Year builtnewer than19006% of homes5% of homes

About 231 Kimball Ave

How much is 231 Kimball Ave, Westfield, NJ worth?

The TopHap Estimate for 231 Kimball Ave, Westfield, NJ is $2,696,672 as of Aug 30, 2026. The likely range is $2,477,757 to $2,915,587. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 231 Kimball Ave, Westfield, NJ last sell?

231 Kimball Ave, Westfield, NJ last sold on Aug 31, 2021 for $1,575,000, according to the county's recorded deed.

How big is 231 Kimball Ave, Westfield, NJ?

231 Kimball Ave, Westfield, NJ has 6,978 square feet of living space and a 0.93-acre lot.

When was 231 Kimball Ave, Westfield, NJ built?

231 Kimball Ave, Westfield, NJ was built in 1900, making it 126 years old. It is a colonial home. The building has 2 stories.

What schools serve 231 Kimball Ave, Westfield, NJ?

231 Kimball Ave, 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 231 Kimball Ave, Westfield, NJ compare to other homes in Westfield 07090?

Among the 9,479 homes in Westfield 07090, it is worth more than 98% of them ($2,696,672 against a typical $1,227,249), its price per square foot is higher than 5% of them ($386 against a typical $525), it is bigger than almost all of them (6,978 ft² against a typical 2,405 ft²), its lot is bigger than 97% of them (0.93 ac against a typical 0.23 ac) and it is newer than 6% of them (1900 against a typical 1950). Measured against all of Union County, it is worth more than almost all 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 231 Kimball Ave, Westfield, NJ?

The 2025 property tax bill for 231 Kimball Ave, Westfield, NJ was $45,001. The county assessed it at $1,963,400.

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