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Duplex (2 Units, Any Combination)Residential
$1,076,045$464 / 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 82How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jun 25, 2026
Last sold for $1,050,000 on Oct 1, 2025

310 PROSPECT ST

WESTFIELD, NJ 07090
0
Baths
2,318 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
2012
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$1.1M
$882K low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,050,000 · Oct 1, 2025
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.$288,545
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$230,836
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.73%
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.$787,500
GUARANTEED RATE AFFINITY LLC · recorded Oct 1, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$19,413 (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.$847,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$500,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$347,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$847,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$847,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyUNION
Lot (acres)The size of the land the home sits on, from county records.0.15
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 · 0.2 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%

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

310 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 86% of homes in Union County
  • Costs less per square foot than 69% of homes in Westfield 07090
  • Bigger than 72% of homes in Union County
  • Has a smaller lot than 86% of homes in Westfield 07090
  • Newer than 97% 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
$562K$2.6M

This home is worth more than 39% 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$1,076,045
CheaperTypical $1,189,278Pricier

Pricier than 39% of homes nearby

Price per ft²$464
CheaperTypical $507Pricier

Pricier than 31% of homes nearby

Living area2,318 ft²
SmallerTypical 2,404 ft²Bigger

Bigger than 46% of homes nearby

Lot size0.15 ac
SmallerTypical 0.23 acBigger

Bigger than 14% of homes nearby

Year built2012
OlderTypical 1950Newer

Newer than 92% of homes nearby

How 310 Prospect St ranks against every home in each area.
MeasureThis homeWestfield 07090Union County
Estimated valuepricier than$1,076,04539% of homes86% of homes
Price per ft²pricier than$46431% of homes68% of homes
Living areabigger than2,318 ft²46% of homes72% of homes
Lot sizebigger than0.15 ac14% of homes53% of homes
Year builtnewer than201292% of homes97% of homes

About 310 Prospect St

How much is 310 Prospect St, Westfield, NJ worth?

The TopHap Estimate for 310 Prospect St, Westfield, NJ is $1,076,045 as of Jun 25, 2026. The likely range is $882,083 to $1,270,007. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 310 Prospect St, Westfield, NJ last sell?

310 Prospect St, Westfield, NJ last sold on Oct 1, 2025 for $1,050,000, according to the county's recorded deed.

How big is 310 Prospect St, Westfield, NJ?

310 Prospect St, Westfield, NJ has 2,318 square feet of living space and a 0.15-acre lot.

When was 310 Prospect St, Westfield, NJ built?

310 Prospect St, Westfield, NJ was built in 2012, making it 14 years old. It is a duplex single home. The building has 2 stories.

What schools serve 310 Prospect St, Westfield, NJ?

310 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 310 Prospect St, Westfield, NJ compare to other homes in Westfield 07090?

Among the 9,479 homes in Westfield 07090, it is worth more than 39% of them ($1,076,045 against a typical $1,189,278), its price per square foot is higher than 31% of them ($464 against a typical $507), it is bigger than 46% of them (2,318 ft² against a typical 2,404 ft²), its lot is bigger than 14% of them (0.15 ac against a typical 0.23 ac) and it is newer than 92% of them (2012 against a typical 1950). Measured against all of Union County, it is worth more than 86% 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 310 Prospect St, Westfield, NJ?

The 2025 property tax bill for 310 Prospect St, Westfield, NJ was $19,413. The county assessed it at $847,000.

Closest homes

More homes in Westfield 07090

Assigned schools

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