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Duplex (2 Units, Any Combination)Residential

306 PROSPECT ST

WESTFIELD, NJ 07090
0
Baths
1,120 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.
0.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1949
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,945 (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.$303,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$175,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$128,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$303,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$303,000

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.0.40
ConstructionThe main material the home's frame and walls are built from.Brick
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 · 0.5 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

306 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.

  • Smaller than 97% of homes in Westfield 07090
  • Has a bigger lot than 90% of homes in Union County

How it measures up in Westfield 07090

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

Living area1,120 ft²
SmallerTypical 2,413 ft²Bigger

Bigger than 3% of homes nearby

Lot size0.4 ac
SmallerTypical 0.23 acBigger

Bigger than 87% of homes nearby

Year built1949
OlderTypical 1950Newer

Newer than 48% of homes nearby

How 306 Prospect St ranks against every home in each area.
MeasureThis homeWestfield 07090Union County
Living areabigger than1,120 ft²3% of homes14% of homes
Lot sizebigger than0.4 ac87% of homes90% of homes
Year builtnewer than194948% of homes47% of homes

About 306 Prospect St

When did 306 Prospect St, Westfield, NJ last sell?

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

How big is 306 Prospect St, Westfield, NJ?

306 Prospect St, Westfield, NJ has 1,120 square feet of living space and a 0.40-acre lot.

When was 306 Prospect St, Westfield, NJ built?

306 Prospect St, Westfield, NJ was built in 1949, making it 77 years old. It is a duplex single home. The building has 2 stories.

What schools serve 306 Prospect St, Westfield, NJ?

306 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 306 Prospect St, Westfield, NJ compare to other homes in Westfield 07090?

Among the 9,479 homes in Westfield 07090, it is bigger than 3% of them (1,120 ft² against a typical 2,413 ft²), its lot is bigger than 87% of them (0.4 ac against a typical 0.23 ac) and it is newer than 48% of them (1949 against a typical 1950). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 306 Prospect St, Westfield, NJ?

The 2025 property tax bill for 306 Prospect St, Westfield, NJ was $6,945. The county assessed it at $303,000.

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