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Single Family ResidenceResidential
Last sold for $707,000 on Oct 16, 2025

99 WILLIAM ST

SOUTH RIVER, NJ 08882
0
Baths
2,220 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.
3,001 ft²
Lot SizeThe size of the land the home sits on, from county records.
2002
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.$707,000 · Oct 16, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,484 (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.$392,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$90,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$302,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$392,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$392,800

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.0.07
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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.

E
South River Primary School
Elementary · Grades KG–2 · 1.1 mi
M
South River Middle SchoolD
Middle · Grades 6–8 · 1.1 mi
H
South River High SchoolD
High · Grades 9–12 · 1.2 mi

District: South River Borough School District

Neighborhood · ZIP 08882These 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.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.101

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.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.9%
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.16,718
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,569 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$86,286
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$125,749
Average tempThe average temperature here across a full year.53°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

99 William 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 83% of homes in South River 08882
  • Has a smaller lot than 95% of homes in South River 08882
  • Newer than 98% of homes in South River 08882

How it measures up in South River 08882

The dot is this home. The mark in the middle is the typical home in South River 08882.

Living area2,220 ft²
SmallerTypical 1,548 ft²Bigger

Bigger than 83% of homes nearby

Lot size3,001 ft²
SmallerTypical 0.14 acBigger

Bigger than 5% of homes nearby

Year built2002
OlderTypical 1950Newer

Newer than 98% of homes nearby

How 99 William St ranks against every home in each area.
MeasureThis homeSouth River 08882Middlesex County
Living areabigger than2,220 ft²83% of homes77% of homes
Lot sizebigger than3,001 ft²5% of homes25% of homes
Year builtnewer than200298% of homes89% of homes

About 99 William St

When did 99 William St, South River, NJ last sell?

99 William St, South River, NJ last sold on Oct 16, 2025 for $707,000, according to the county's recorded deed.

How big is 99 William St, South River, NJ?

99 William St, South River, NJ has 2,220 square feet of living space and a 0.07-acre lot.

When was 99 William St, South River, NJ built?

99 William St, South River, NJ was built in 2002, making it 24 years old. The building has 2 stories.

What schools serve 99 William St, South River, NJ?

99 William St, South River, NJ is assigned to South River Primary School (elementary); South River Middle School (middle), rated D; South River High School (high), rated D. All sit in South River Borough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 99 William St, South River, NJ compare to other homes in South River 08882?

Among the 4,333 homes in South River 08882, it is bigger than 83% of them (2,220 ft² against a typical 1,548 ft²), its lot is bigger than 5% of them (3,001 ft² against a typical 0.14 ac) and it is newer than 98% of them (2002 against a typical 1950). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 99 William St, South River, NJ?

The 2025 property tax bill for 99 William St, South River, NJ was $10,484. The county assessed it at $392,800.

More homes on William St

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Assigned schools

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