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Single Family ResidenceResidential
$569,053$396 / 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 96How 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 $475,000 on Feb 3, 2023

31 WILLIAMS ST

ROSELLE PARK, NJ 07204
0
Baths
1,436 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.
4,151 ft²
Lot SizeThe size of the land the home sits on, from county records.
1925
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$569K
$544K low$594K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$475,000 · Feb 3, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,813 (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.$173,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$62,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$110,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$173,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$173,400

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.Cape Cod
CountyUNION
Lot (acres)The size of the land the home sits on, from county records.0.10
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(5)

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(10)

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

M
Roselle Park Middle SchoolC
Middle · Grades 6–8 · 0.2 mi
E
Robert Gordon Elementary SchoolC-
Elementary · Grades PK–5 · 0.3 mi
H
Roselle Park High SchoolC-
High · Grades 9–12 · 0.5 mi

District: Roselle Park Borough School District

Neighborhood · ZIP 07204These 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.81
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.109

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.14,215
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.11,542 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$95,523
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$128,639
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

31 Williams 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.

  • Worth less than 67% of homes in Union County
  • Costs more per square foot than 73% of homes in Roselle Park 07204
  • Smaller than 69% of homes in Union County
  • Has a smaller lot than 79% of homes in Union County
  • Older than 78% of homes in Union County

What homes are worth in Roselle Park 07204

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

This home
$277K$866K

This home is worth more than 52% of homes in Roselle Park 07204.

How it measures up in Roselle Park 07204

The dot is this home. The mark in the middle is the typical home in Roselle Park 07204.

Estimated value$569,053
CheaperTypical $565,791Pricier

Pricier than 52% of homes nearby

Price per ft²$396
CheaperTypical $358Pricier

Pricier than 73% of homes nearby

Living area1,436 ft²
SmallerTypical 1,564 ft²Bigger

Bigger than 38% of homes nearby

Lot size4,151 ft²
SmallerTypical 0.11 acBigger

Bigger than 33% of homes nearby

Year built1925
OlderTypical 1930Newer

Newer than 38% of homes nearby

How 31 Williams St ranks against every home in each area.
MeasureThis homeRoselle Park 07204Union County
Estimated valuepricier than$569,05352% of homes33% of homes
Price per ft²pricier than$39673% of homes47% of homes
Living areabigger than1,436 ft²38% of homes31% of homes
Lot sizebigger than4,151 ft²33% of homes21% of homes
Year builtnewer than192538% of homes22% of homes

About 31 Williams St

How much is 31 Williams St, Roselle Park, NJ worth?

The TopHap Estimate for 31 Williams St, Roselle Park, NJ is $569,053 as of Sep 24, 2026. The likely range is $544,130 to $593,976. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 31 Williams St, Roselle Park, NJ last sell?

31 Williams St, Roselle Park, NJ last sold on Feb 3, 2023 for $475,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 31 Williams St, Roselle Park, NJ?

31 Williams St, Roselle Park, NJ has 1,436 square feet of living space and a 0.10-acre lot.

When was 31 Williams St, Roselle Park, NJ built?

31 Williams St, Roselle Park, NJ was built in 1925, making it 101 years old. It is a cape cod home. The building has 2 stories.

What schools serve 31 Williams St, Roselle Park, NJ?

31 Williams St, Roselle Park, NJ is assigned to Roselle Park Middle School (middle), rated C; Robert Gordon Elementary School (elementary), rated C-; Roselle Park High School (high), rated C-. All sit in Roselle Park Borough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 31 Williams St, Roselle Park, NJ compare to other homes in Roselle Park 07204?

Among the 3,363 homes in Roselle Park 07204, it is worth more than 52% of them ($569,053 against a typical $565,791), its price per square foot is higher than 73% of them ($396 against a typical $358), it is bigger than 38% of them (1,436 ft² against a typical 1,564 ft²), its lot is bigger than 33% of them (4,151 ft² against a typical 0.11 ac) and it is newer than 38% of them (1925 against a typical 1930). Measured against all of Union County, it is worth more than 33% 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 31 Williams St, Roselle Park, NJ?

The 2025 property tax bill for 31 Williams St, Roselle Park, NJ was $7,813. The county assessed it at $173,400.

More homes on Williams St

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