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Single Family ResidenceResidential
$1,103,627$445 / 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 95How 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 $22,000 on Sep 30, 1975

357 UNION AVE

NEW PROVIDENCE, NJ 07974
0
Baths
2,480 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.
0.51 ac
Lot SizeThe size of the land the home sits on, from county records.
1976
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.1M
$1M low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$22,000 · Sep 30, 1975

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$19,317 (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.$368,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$153,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$215,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$368,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$368,500

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.0.51
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(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
Allen W. Roberts SchoolA+
Elementary · Grades PK–6 · 0.4 mi
M
New Providence Middle SchoolB
Middle · Grades 7–8 · 1.0 mi
H
New Providence High SchoolB+
High · Grades 9–12 · 1.0 mi

District: New Providence Borough School District

Neighborhood · ZIP 07974These 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.15
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.107

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.13,628
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,456 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$158,836
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$202,920
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.51 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

357 Union 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.

  • Worth more than 87% of homes in Union County
  • Bigger than 77% of homes in Union County
  • Has a bigger lot than 93% of homes in Union County
  • Newer than 87% of homes in New Providence 07974

What homes are worth in New Providence 07974

Each bar is how many homes fall in that price range. The marker is this home.

This home
$566K$1.8M

This home is worth more than 71% of homes in New Providence 07974.

How it measures up in New Providence 07974

The dot is this home. The mark in the middle is the typical home in New Providence 07974.

Estimated value$1,103,627
CheaperTypical $961,679Pricier

Pricier than 71% of homes nearby

Price per ft²$445
CheaperTypical $468Pricier

Pricier than 36% of homes nearby

Living area2,480 ft²
SmallerTypical 2,099 ft²Bigger

Bigger than 71% of homes nearby

Lot size0.51 ac
SmallerTypical 0.31 acBigger

Bigger than 87% of homes nearby

Year built1976
OlderTypical 1959Newer

Newer than 87% of homes nearby

How 357 Union Ave ranks against every home in each area.
MeasureThis homeNew Providence 07974Union County
Estimated valuepricier than$1,103,62771% of homes87% of homes
Price per ft²pricier than$44536% of homes64% of homes
Living areabigger than2,480 ft²71% of homes77% of homes
Lot sizebigger than0.51 ac87% of homes93% of homes
Year builtnewer than197687% of homes85% of homes

About 357 Union Ave

How much is 357 Union Ave, New Providence, NJ worth?

The TopHap Estimate for 357 Union Ave, New Providence, NJ is $1,103,627 as of Aug 30, 2026. The likely range is $1,046,541 to $1,160,713. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 357 Union Ave, New Providence, NJ last sell?

357 Union Ave, New Providence, NJ last sold on Sep 30, 1975 for $22,000, according to the county's recorded deed.

How big is 357 Union Ave, New Providence, NJ?

357 Union Ave, New Providence, NJ has 2,480 square feet of living space and a 0.51-acre lot.

When was 357 Union Ave, New Providence, NJ built?

357 Union Ave, New Providence, NJ was built in 1976, making it 50 years old. The building has 1 story.

What schools serve 357 Union Ave, New Providence, NJ?

357 Union Ave, New Providence, NJ is assigned to Allen W. Roberts School (elementary), rated A+; New Providence Middle School (middle), rated B; New Providence High School (high), rated B+. All sit in New Providence Borough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 357 Union Ave, New Providence, NJ compare to other homes in New Providence 07974?

Among the 3,846 homes in New Providence 07974, it is worth more than 71% of them ($1,103,627 against a typical $961,679), its price per square foot is higher than 36% of them ($445 against a typical $468), it is bigger than 71% of them (2,480 ft² against a typical 2,099 ft²), its lot is bigger than 87% of them (0.51 ac against a typical 0.31 ac) and it is newer than 87% of them (1976 against a typical 1959). Measured against all of Union County, it is worth more than 87% 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 357 Union Ave, New Providence, NJ?

The 2025 property tax bill for 357 Union Ave, New Providence, NJ was $19,317. The county assessed it at $368,500.

More homes on Union Ave

Closest homes

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Assigned schools

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