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Single Family ResidenceResidential
$828,689$451 / 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 93How 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 $224,000 on Oct 30, 1998

305 JOHN ST

WESTFIELD, NJ 07090
0
Baths
1,838 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1983
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$829K
$771K low$887K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$224,000 · Oct 30, 1998

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,006 (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.$523,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$302,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$221,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$523,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$523,800

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyUNION
Lot (acres)The size of the land the home sits on, from county records.0.23
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.

E
Franklin Elementary SchoolA
Elementary · Grades 1–5 · 0.5 mi
M
Roosevelt Intermediate SchoolB
Middle · Grades 6–8 · 0.8 mi
H
Westfield High SchoolA-
High · Grades 9–12 · 1.4 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

305 John 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 less than 89% of homes in Westfield 07090
  • Costs less per square foot than 79% of homes in Westfield 07090
  • Smaller than 75% of homes in Westfield 07090
  • Has a bigger lot than 75% of homes in Union County
  • Newer than 87% 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 11% 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$828,689
CheaperTypical $1,221,400Pricier

Pricier than 11% of homes nearby

Price per ft²$451
CheaperTypical $522Pricier

Pricier than 21% of homes nearby

Living area1,838 ft²
SmallerTypical 2,407 ft²Bigger

Bigger than 25% of homes nearby

Lot size0.23 ac
SmallerTypical 0.23 acBigger

Bigger than 52% of homes nearby

Year built1983
OlderTypical 1951Newer

Newer than 82% of homes nearby

How 305 John St ranks against every home in each area.
MeasureThis homeWestfield 07090Union County
Estimated valuepricier than$828,68911% of homes72% of homes
Price per ft²pricier than$45121% of homes65% of homes
Living areabigger than1,838 ft²25% of homes54% of homes
Lot sizebigger than0.23 ac52% of homes75% of homes
Year builtnewer than198382% of homes87% of homes

About 305 John St

How much is 305 John St, Westfield, NJ worth?

The TopHap Estimate for 305 John St, Westfield, NJ is $828,689 as of Sep 24, 2026. The likely range is $770,736 to $886,642. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 305 John St, Westfield, NJ last sell?

305 John St, Westfield, NJ last sold on Oct 30, 1998 for $224,000, according to the county's recorded deed.

How big is 305 John St, Westfield, NJ?

305 John St, Westfield, NJ has 1,838 square feet of living space and a 0.23-acre lot.

When was 305 John St, Westfield, NJ built?

305 John St, Westfield, NJ was built in 1983, making it 43 years old. The building has 2 stories.

What schools serve 305 John St, Westfield, NJ?

305 John St, Westfield, NJ is assigned to Franklin Elementary School (elementary), rated A; Roosevelt Intermediate School (middle), rated B; 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 305 John St, Westfield, NJ compare to other homes in Westfield 07090?

Among the 9,479 homes in Westfield 07090, it is worth more than 11% of them ($828,689 against a typical $1,221,400), its price per square foot is higher than 21% of them ($451 against a typical $522), it is bigger than 25% of them (1,838 ft² against a typical 2,407 ft²), its lot is bigger than 52% of them (0.23 ac against a typical 0.23 ac) and it is newer than 82% of them (1983 against a typical 1951). Measured against all of Union County, it is worth more than 72% 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 305 John St, Westfield, NJ?

The 2025 property tax bill for 305 John St, Westfield, NJ was $12,006. The county assessed it at $523,800.

More homes on John St

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Assigned schools

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