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Single Family ResidenceResidential
$1,384,978$590 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $1,040,000 on Apr 20, 2021

303 SENECA PL

WESTFIELD, NJ 07090
0
Baths
2,348 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
2003
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$1.4M
$1.3M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,040,000 · Apr 20, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$21,063 (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.$919,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$449,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$469,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$919,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$919,000

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.2 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

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.0.17
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(2)

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 · 0.6 mi
M
Roosevelt Intermediate SchoolB
Middle · Grades 6–8 · 0.6 mi
H
Westfield High SchoolA-
High · Grades 9–12 · 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

303 Seneca Pl 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 more per square foot than 90% of homes in Union County
  • Bigger than 73% of homes in Union County
  • Has a smaller lot than 79% of homes in Westfield 07090
  • Newer than 93% 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
$619K$2.7M

This home is worth more than 63% 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$1,384,978
CheaperTypical $1,222,583Pricier

Pricier than 63% of homes nearby

Price per ft²$590
CheaperTypical $524Pricier

Pricier than 78% of homes nearby

Living area2,348 ft²
SmallerTypical 2,408 ft²Bigger

Bigger than 47% of homes nearby

Lot size0.17 ac
SmallerTypical 0.23 acBigger

Bigger than 21% of homes nearby

Year built2003
OlderTypical 1951Newer

Newer than 88% of homes nearby

How 303 Seneca Pl ranks against every home in each area.
MeasureThis homeWestfield 07090Union County
Estimated valuepricier than$1,384,97863% of homes93% of homes
Price per ft²pricier than$59078% of homes90% of homes
Living areabigger than2,348 ft²47% of homes73% of homes
Lot sizebigger than0.17 ac21% of homes58% of homes
Year builtnewer than200388% of homes93% of homes

About 303 Seneca Pl

How much is 303 Seneca Pl, Westfield, NJ worth?

The TopHap Estimate for 303 Seneca Pl, Westfield, NJ is $1,384,978 as of Aug 30, 2026. The likely range is $1,332,921 to $1,437,035. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 303 Seneca Pl, Westfield, NJ last sell?

303 Seneca Pl, Westfield, NJ last sold on Apr 20, 2021 for $1,040,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 303 Seneca Pl, Westfield, NJ?

303 Seneca Pl, Westfield, NJ has 2,348 square feet of living space and a 0.17-acre lot.

When was 303 Seneca Pl, Westfield, NJ built?

303 Seneca Pl, Westfield, NJ was built in 2003, making it 23 years old. It is a colonial home. The building has 2 stories.

What schools serve 303 Seneca Pl, Westfield, NJ?

303 Seneca Pl, 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 303 Seneca Pl, Westfield, NJ compare to other homes in Westfield 07090?

Among the 9,479 homes in Westfield 07090, it is worth more than 63% of them ($1,384,978 against a typical $1,222,583), its price per square foot is higher than 78% of them ($590 against a typical $524), it is bigger than 47% of them (2,348 ft² against a typical 2,408 ft²), its lot is bigger than 21% of them (0.17 ac against a typical 0.23 ac) and it is newer than 88% of them (2003 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 303 Seneca Pl, Westfield, NJ?

The 2025 property tax bill for 303 Seneca Pl, Westfield, NJ was $21,063. The county assessed it at $919,000.

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