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Single Family ResidenceResidential
$2,313,385$555 / 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 92How 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 $1,645,000 on Feb 8, 2011

522 COLONIAL AVE

WESTFIELD, NJ 07090
0
Baths
4,168 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.
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.
2007
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$2.3M
$2.1M low$2.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,645,000 · Feb 8, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$34,953 (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.$1,525,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$840,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$685,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,525,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,525,000

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.0.33
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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 SchoolA
Middle · Grades 6–8 · 0.8 mi
H
Westfield High SchoolB+
High · Grades 9–12 · 1.3 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

522 Colonial Ave 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 most valuable homes in Union County
  • Costs more per square foot than 87% of homes in Union County
  • Bigger than 97% of homes in Union County
  • Has a bigger lot than 85% of homes in Union County
  • Newer than 96% 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
$620K$2.7M

This home is worth more than 95% 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$2,313,385
CheaperTypical $1,215,787Pricier

Pricier than 95% of homes nearby

Price per ft²$555
CheaperTypical $522Pricier

Pricier than 67% of homes nearby

Living area4,168 ft²
SmallerTypical 2,405 ft²Bigger

Bigger than 93% of homes nearby

Lot size0.33 ac
SmallerTypical 0.23 acBigger

Bigger than 78% of homes nearby

Year built2007
OlderTypical 1951Newer

Newer than 90% of homes nearby

How 522 Colonial Ave ranks against every home in each area.
MeasureThis homeWestfield 07090Union County
Estimated valuepricier than$2,313,38595% of homesalmost all homes
Price per ft²pricier than$55567% of homes87% of homes
Living areabigger than4,168 ft²93% of homes97% of homes
Lot sizebigger than0.33 ac78% of homes85% of homes
Year builtnewer than200790% of homes96% of homes

About 522 Colonial Ave

How much is 522 Colonial Ave, Westfield, NJ worth?

The TopHap Estimate for 522 Colonial Ave, Westfield, NJ is $2,313,385 as of Sep 24, 2026. The likely range is $2,132,424 to $2,494,346. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 522 Colonial Ave, Westfield, NJ last sell?

522 Colonial Ave, Westfield, NJ last sold on Feb 8, 2011 for $1,645,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 522 Colonial Ave, Westfield, NJ?

522 Colonial Ave, Westfield, NJ has 4,168 square feet of living space and a 0.33-acre lot.

When was 522 Colonial Ave, Westfield, NJ built?

522 Colonial Ave, Westfield, NJ was built in 2007, making it 19 years old. It is a colonial home. The building has 2 stories.

What schools serve 522 Colonial Ave, Westfield, NJ?

522 Colonial Ave, Westfield, NJ is assigned to Franklin Elementary School (elementary), rated A+; Roosevelt Intermediate School (middle), rated A; Westfield High School (high), rated B+. All sit in Westfield Town School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 522 Colonial Ave, Westfield, NJ compare to other homes in Westfield 07090?

Among the 9,479 homes in Westfield 07090, it is worth more than 95% of them ($2,313,385 against a typical $1,215,787), its price per square foot is higher than 67% of them ($555 against a typical $522), it is bigger than 93% of them (4,168 ft² against a typical 2,405 ft²), its lot is bigger than 78% of them (0.33 ac against a typical 0.23 ac) and it is newer than 90% of them (2007 against a typical 1951). Measured against all of Union County, it is worth more than almost all 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 522 Colonial Ave, Westfield, NJ?

The 2025 property tax bill for 522 Colonial Ave, Westfield, NJ was $34,953. The county assessed it at $1,525,000.

More homes on Colonial Ave

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