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Single Family ResidenceResidential
$1,336,539$429 / 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 Sep 24, 2026
Last sold for $999,999 on Jun 3, 2020

657 FAIRMONT AVE

WESTFIELD, NJ 07090
0
Baths
3,114 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1935
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$1.3M
$1.2M low$1.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$999,999 · Jun 3, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$20,811 (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.$908,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$433,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$474,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$908,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$908,000

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.0.20
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, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(6)

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
Washington Elementary SchoolA
Elementary · Grades 1–5 · 0.4 mi
H
Westfield High SchoolA-
High · Grades 9–12 · 1.0 mi
M
Roosevelt Intermediate SchoolB
Middle · Grades 6–8 · 1.1 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

657 Fairmont 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 more than 93% of homes in Union County
  • Costs less per square foot than 86% of homes in Westfield 07090
  • Bigger than 90% of homes in Union County
  • Has a bigger lot than 69% of homes in Union County
  • Older than 66% 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
$638K$2.7M

This home is worth more than 60% 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$1,336,539
CheaperTypical $1,221,400Pricier

Pricier than 60% of homes nearby

Price per ft²$429
CheaperTypical $522Pricier

Pricier than 14% of homes nearby

Living area3,114 ft²
SmallerTypical 2,407 ft²Bigger

Bigger than 75% of homes nearby

Lot size0.2 ac
SmallerTypical 0.23 acBigger

Bigger than 39% of homes nearby

Year built1935
OlderTypical 1951Newer

Newer than 36% of homes nearby

How 657 Fairmont Ave ranks against every home in each area.
MeasureThis homeWestfield 07090Union County
Estimated valuepricier than$1,336,53960% of homes93% of homes
Price per ft²pricier than$42914% of homes58% of homes
Living areabigger than3,114 ft²75% of homes90% of homes
Lot sizebigger than0.2 ac39% of homes69% of homes
Year builtnewer than193536% of homes34% of homes

About 657 Fairmont Ave

How much is 657 Fairmont Ave, Westfield, NJ worth?

The TopHap Estimate for 657 Fairmont Ave, Westfield, NJ is $1,336,539 as of Sep 24, 2026. The likely range is $1,221,803 to $1,451,275. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 657 Fairmont Ave, Westfield, NJ last sell?

657 Fairmont Ave, Westfield, NJ last sold on Jun 3, 2020 for $999,999, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 657 Fairmont Ave, Westfield, NJ?

657 Fairmont Ave, Westfield, NJ has 3,114 square feet of living space and a 0.20-acre lot.

When was 657 Fairmont Ave, Westfield, NJ built?

657 Fairmont Ave, Westfield, NJ was built in 1935, making it 91 years old. It is a colonial home. The building has 2 stories.

What schools serve 657 Fairmont Ave, Westfield, NJ?

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

How does 657 Fairmont Ave, Westfield, NJ compare to other homes in Westfield 07090?

Among the 9,479 homes in Westfield 07090, it is worth more than 60% of them ($1,336,539 against a typical $1,221,400), its price per square foot is higher than 14% of them ($429 against a typical $522), it is bigger than 75% of them (3,114 ft² against a typical 2,407 ft²), its lot is bigger than 39% of them (0.2 ac against a typical 0.23 ac) and it is newer than 36% of them (1935 against a typical 1951). Measured against all of Union County, it is worth more than 93% 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 657 Fairmont Ave, Westfield, NJ?

The 2025 property tax bill for 657 Fairmont Ave, Westfield, NJ was $20,811. The county assessed it at $908,000.

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