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Single Family ResidenceResidential
$406,518$299 / 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 Oct 21, 2026
Last sold for $225,000 on Jun 28, 2005

21 EMMA ST

PLAINFIELD, NJ 07063
0
Baths
1,359 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1921
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$407K
$385K low$428K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$225,000 · Jun 28, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,596 (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.$85,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$29,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$55,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$85,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$85,100

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.0.12
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(2)

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

E
Jefferson Elementary SchoolF
Elementary · Grades KG–5 · 0.6 mi
M
Frank J. Hubbard Middle SchoolD-
Middle · Grades 6–8 · 1.2 mi
H
Plainfield High SchoolF
High · Grades 9–12 · 1.8 mi

District: Plainfield City School District

Neighborhood · ZIP 07063These 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.76
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 100.106

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
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.15,486
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,521 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$78,789
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$107,519
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

21 Emma 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 94% of homes in Union County
  • Costs less per square foot than 85% of homes in Union County
  • Smaller than 74% of homes in Union County
  • Has a smaller lot than 83% of homes in Plainfield 07063
  • Older than 84% of homes in Union County

What homes are worth in Plainfield 07063

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

This home
$308K$674K

This home is worth more than 21% of homes in Plainfield 07063.

How it measures up in Plainfield 07063

The dot is this home. The mark in the middle is the typical home in Plainfield 07063.

Estimated value$406,518
CheaperTypical $466,694Pricier

Pricier than 21% of homes nearby

Price per ft²$299
CheaperTypical $327Pricier

Pricier than 34% of homes nearby

Living area1,359 ft²
SmallerTypical 1,424 ft²Bigger

Bigger than 43% of homes nearby

Lot size0.12 ac
SmallerTypical 0.17 acBigger

Bigger than 17% of homes nearby

Year built1921
OlderTypical 1941Newer

Newer than 30% of homes nearby

How 21 Emma St ranks against every home in each area.
MeasureThis homePlainfield 07063Union County
Estimated valuepricier than$406,51821% of homes6% of homes
Price per ft²pricier than$29934% of homes15% of homes
Living areabigger than1,359 ft²43% of homes26% of homes
Lot sizebigger than0.12 ac17% of homes35% of homes
Year builtnewer than192130% of homes16% of homes

About 21 Emma St

How much is 21 Emma St, Plainfield, NJ worth?

The TopHap Estimate for 21 Emma St, Plainfield, NJ is $406,518 as of Oct 21, 2026. The likely range is $385,255 to $427,781. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Emma St, Plainfield, NJ last sell?

21 Emma St, Plainfield, NJ last sold on Jun 28, 2005 for $225,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 Emma St, Plainfield, NJ?

21 Emma St, Plainfield, NJ has 1,359 square feet of living space and a 0.12-acre lot.

When was 21 Emma St, Plainfield, NJ built?

21 Emma St, Plainfield, NJ was built in 1921, making it 105 years old. The building has 2 stories.

What schools serve 21 Emma St, Plainfield, NJ?

21 Emma St, Plainfield, NJ is assigned to Jefferson Elementary School (elementary), rated F; Frank J. Hubbard Middle School (middle), rated D-; Plainfield High School (high), rated F. All sit in Plainfield City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Emma St, Plainfield, NJ compare to other homes in Plainfield 07063?

Among the 3,068 homes in Plainfield 07063, it is worth more than 21% of them ($406,518 against a typical $466,694), its price per square foot is higher than 34% of them ($299 against a typical $327), it is bigger than 43% of them (1,359 ft² against a typical 1,424 ft²), its lot is bigger than 17% of them (0.12 ac against a typical 0.17 ac) and it is newer than 30% of them (1921 against a typical 1941). Measured against all of Union County, it is worth more than 6% 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 21 Emma St, Plainfield, NJ?

The 2025 property tax bill for 21 Emma St, Plainfield, NJ was $7,596. The county assessed it at $85,100.

More homes on Emma St

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Assigned schools

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