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Single Family ResidenceResidential
$943,255$511 / 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 89How 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

320 PROSPECT ST

WESTFIELD, NJ 07090
0
Baths
1,846 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.
1887
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$943K
$843K low$1M high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$543,255
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$434,604
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.44%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$400,000
BANK OF AMERICA · recorded May 1, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,358 (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.$713,700 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$518,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$194,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$713,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$713,700

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

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 · 0.4 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

320 Prospect St 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 80% of homes in Union County
  • Costs more per square foot than 80% of homes in Union County
  • Smaller than 74% of homes in Westfield 07090
  • Has a bigger lot than 68% of homes in Union County
  • Among the oldest 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
$562K$2.6M

This home is worth more than 25% 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$943,255
CheaperTypical $1,189,278Pricier

Pricier than 25% of homes nearby

Price per ft²$511
CheaperTypical $507Pricier

Pricier than 52% of homes nearby

Living area1,846 ft²
SmallerTypical 2,404 ft²Bigger

Bigger than 26% of homes nearby

Lot size0.2 ac
SmallerTypical 0.23 acBigger

Bigger than 36% of homes nearby

Year built1887
OlderTypical 1950Newer

Newer than 2% of homes nearby

How 320 Prospect St ranks against every home in each area.
MeasureThis homeWestfield 07090Union County
Estimated valuepricier than$943,25525% of homes80% of homes
Price per ft²pricier than$51152% of homes80% of homes
Living areabigger than1,846 ft²26% of homes54% of homes
Lot sizebigger than0.2 ac36% of homes68% of homes
Year builtnewer than18872% of homesalmost no homes

About 320 Prospect St

How much is 320 Prospect St, Westfield, NJ worth?

The TopHap Estimate for 320 Prospect St, Westfield, NJ is $943,255 as of Jul 14, 2026. The likely range is $842,694 to $1,043,816. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 320 Prospect St, Westfield, NJ last sell?

320 Prospect St, Westfield, NJ last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 320 Prospect St, Westfield, NJ?

320 Prospect St, Westfield, NJ has 1,846 square feet of living space and a 0.20-acre lot.

When was 320 Prospect St, Westfield, NJ built?

320 Prospect St, Westfield, NJ was built in 1887, making it 139 years old. It is a colonial home. The building has 2 stories.

What schools serve 320 Prospect St, Westfield, NJ?

320 Prospect St, 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 320 Prospect St, Westfield, NJ compare to other homes in Westfield 07090?

Among the 9,479 homes in Westfield 07090, it is worth more than 25% of them ($943,255 against a typical $1,189,278), its price per square foot is higher than 52% of them ($511 against a typical $507), it is bigger than 26% of them (1,846 ft² against a typical 2,404 ft²), its lot is bigger than 36% of them (0.2 ac against a typical 0.23 ac) and it is newer than 2% of them (1887 against a typical 1950). Measured against all of Union County, it is worth more than 80% 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 320 Prospect St, Westfield, NJ?

The 2025 property tax bill for 320 Prospect St, Westfield, NJ was $16,358. The county assessed it at $713,700.

Closest homes

More homes in Westfield 07090

Assigned schools

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