Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$549,016$634 / 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 88How 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 $150,000 on Dec 30, 1994

923 UNION ST

WESTFIELD, NJ 07090
0
Baths
866 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1913
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$549K
$483K low$615K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$150,000 · Dec 30, 1994

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,988 (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.$479,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$417,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$62,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$479,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$479,400

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.19 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.0.2 percent flood zone

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.Ranch
CountyUNION
Lot (acres)The size of the land the home sits on, from county records.0.16
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
Washington Elementary SchoolA
Elementary · Grades 1–5 · 0.3 mi
H
Westfield High SchoolA-
High · Grades 9–12 · 1.5 mi
M
Roosevelt Intermediate SchoolB
Middle · Grades 6–8 · 1.6 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%

Owner Tools

Do you own this home?
Claim this home

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

923 Union 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.

  • Among the least valuable homes in Westfield 07090
  • Costs more per square foot than 94% of homes in Union County
  • Among the smallest homes in Westfield 07090
  • Has a smaller lot than 82% of homes in Westfield 07090
  • Older than 90% 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
$627K$2.7M

This home is worth less than almost all 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$549,016
CheaperTypical $1,226,196Pricier

Cheaper than almost all homes nearby

Price per ft²$634
CheaperTypical $525Pricier

Pricier than 89% of homes nearby

Living area866 ft²
SmallerTypical 2,405 ft²Bigger

Smaller than almost all homes nearby

Lot size0.16 ac
SmallerTypical 0.23 acBigger

Bigger than 18% of homes nearby

Year built1913
OlderTypical 1951Newer

Newer than 12% of homes nearby

How 923 Union St ranks against every home in each area.
MeasureThis homeWestfield 07090Union County
Estimated valuepricier than$549,016almost no homes29% of homes
Price per ft²pricier than$63489% of homes94% of homes
Living areabigger than866 ft²almost no homes6% of homes
Lot sizebigger than0.16 ac18% of homes56% of homes
Year builtnewer than191312% of homes10% of homes

About 923 Union St

How much is 923 Union St, Westfield, NJ worth?

The TopHap Estimate for 923 Union St, Westfield, NJ is $549,016 as of Aug 30, 2026. The likely range is $483,332 to $614,700. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 923 Union St, Westfield, NJ last sell?

923 Union St, Westfield, NJ last sold on Dec 30, 1994 for $150,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 923 Union St, Westfield, NJ?

923 Union St, Westfield, NJ has 866 square feet of living space and a 0.16-acre lot.

When was 923 Union St, Westfield, NJ built?

923 Union St, Westfield, NJ was built in 1913, making it 113 years old. It is a ranch home. The building has 1 story.

What schools serve 923 Union St, Westfield, NJ?

923 Union St, Westfield, NJ is assigned to Washington Elementary School (elementary), rated A; Westfield High School (high), rated A-; Roosevelt Intermediate School (middle), rated B. All sit in Westfield Town School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 923 Union St, Westfield, NJ compare to other homes in Westfield 07090?

Among the 9,479 homes in Westfield 07090, it is worth more than almost none of them ($549,016 against a typical $1,226,196), its price per square foot is higher than 89% of them ($634 against a typical $525), it is bigger than almost none of them (866 ft² against a typical 2,405 ft²), its lot is bigger than 18% of them (0.16 ac against a typical 0.23 ac) and it is newer than 12% of them (1913 against a typical 1951). Measured against all of Union County, it is worth more than 29% 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 923 Union St, Westfield, NJ?

The 2025 property tax bill for 923 Union St, Westfield, NJ was $10,988. The county assessed it at $479,400.

More homes on Union St

Closest homes

More homes in Westfield 07090

Assigned schools

Explore the area

See this home in context

Open 923 Union St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map