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Single Family ResidenceResidential
Last sold for $239,000 on Nov 22, 2017

509 UNION ST

PISCATAWAY, NJ 08854
0
Baths
2,450 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
1914
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$239,000 · Nov 22, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,881 (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.$419,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$316,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$102,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$499,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$419,000

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.15 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.1 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
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.26
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.

Foreclosure Filings(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Quibbletown Middle SchoolB
Middle · Grades 6–8 · 0.6 mi
E
Eisenhower Elementary SchoolC-
Elementary · Grades KG–3 · 1.1 mi
H
Piscataway High SchoolB-
High · Grades 9–12 · 2.2 mi

District: Piscataway Township School District

Neighborhood · ZIP 08854These 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.57
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 100.103

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.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.1%
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.63,382
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,298 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$116,616
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$138,705
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.49 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

509 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.

  • Bigger than 88% of homes in Piscataway 08854
  • Has a bigger lot than 77% of homes in Middlesex County
  • Older than 98% of homes in Piscataway 08854

How it measures up in Piscataway 08854

The dot is this home. The mark in the middle is the typical home in Piscataway 08854.

Living area2,450 ft²
SmallerTypical 1,624 ft²Bigger

Bigger than 88% of homes nearby

Lot size0.26 ac
SmallerTypical 0.23 acBigger

Bigger than 65% of homes nearby

Year built1914
OlderTypical 1973Newer

Newer than 2% of homes nearby

How 509 Union St ranks against every home in each area.
MeasureThis homePiscataway 08854Middlesex County
Living areabigger than2,450 ft²88% of homes84% of homes
Lot sizebigger than0.26 ac65% of homes77% of homes
Year builtnewer than19142% of homes5% of homes

About 509 Union St

When did 509 Union St, Piscataway, NJ last sell?

509 Union St, Piscataway, NJ last sold on Nov 22, 2017 for $239,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 509 Union St, Piscataway, NJ?

509 Union St, Piscataway, NJ has 2,450 square feet of living space and a 0.26-acre lot.

When was 509 Union St, Piscataway, NJ built?

509 Union St, Piscataway, NJ was built in 1914, making it 112 years old. The building has 2 stories.

What schools serve 509 Union St, Piscataway, NJ?

509 Union St, Piscataway, NJ is assigned to Quibbletown Middle School (middle), rated B; Eisenhower Elementary School (elementary), rated C-; Piscataway High School (high), rated B-. All sit in Piscataway Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Union St, Piscataway, NJ compare to other homes in Piscataway 08854?

Among the 13,708 homes in Piscataway 08854, it is bigger than 88% of them (2,450 ft² against a typical 1,624 ft²), its lot is bigger than 65% of them (0.26 ac against a typical 0.23 ac) and it is newer than 2% of them (1914 against a typical 1973). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 509 Union St, Piscataway, NJ?

The 2025 property tax bill for 509 Union St, Piscataway, NJ was $8,881. The county assessed it at $419,000.

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