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Single Family ResidenceResidential
$571,203$274 / 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 93How 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

421 E 7TH ST

PLAINFIELD, NJ 07060
0
Baths
2,081 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.
0.15 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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$571K
$530K low$613K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,908 (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.$111,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$33,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$77,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$111,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$111,000

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.22 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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
CountyUNION
Lot (acres)The size of the land the home sits on, from county records.0.15
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
Charles And Anna Booker Elementary SchoolF
Elementary · Grades KG–5 · 0.2 mi
M
Maxson Middle SchoolF
Middle · Grades 6–8 · 0.6 mi
H
Plainfield High SchoolF
High · Grades 9–12 · 0.6 mi

District: Plainfield City School District

Neighborhood · ZIP 07060These 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.125
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
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.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.19%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.49,888
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.9,905 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,513
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$94,940
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.50 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

421 E 7th 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 more than 68% of homes in Plainfield 07060
  • Costs less per square foot than 91% of homes in Union County
  • Bigger than 73% of homes in Plainfield 07060
  • Has a smaller lot than 65% of homes in Plainfield 07060
  • Older than 84% of homes in Union County

What homes are worth in Plainfield 07060

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

This home
$190K$876K

This home is worth more than 68% of homes in Plainfield 07060.

How it measures up in Plainfield 07060

The dot is this home. The mark in the middle is the typical home in Plainfield 07060.

Estimated value$571,203
CheaperTypical $524,319Pricier

Pricier than 68% of homes nearby

Price per ft²$274
CheaperTypical $308Pricier

Pricier than 33% of homes nearby

Living area2,081 ft²
SmallerTypical 1,643 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.15 ac
SmallerTypical 0.17 acBigger

Bigger than 35% of homes nearby

Year built1921
OlderTypical 1931Newer

Newer than 32% of homes nearby

How 421 E 7th St ranks against every home in each area.
MeasureThis homePlainfield 07060Union County
Estimated valuepricier than$571,20368% of homes33% of homes
Price per ft²pricier than$27433% of homes9% of homes
Living areabigger than2,081 ft²73% of homes64% of homes
Lot sizebigger than0.15 ac35% of homes51% of homes
Year builtnewer than192132% of homes16% of homes

About 421 E 7th St

How much is 421 E 7th St, Plainfield, NJ worth?

The TopHap Estimate for 421 E 7th St, Plainfield, NJ is $571,203 as of Sep 24, 2026. The likely range is $529,764 to $612,641. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 E 7th St, Plainfield, NJ last sell?

421 E 7th St, Plainfield, NJ last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 421 E 7th St, Plainfield, NJ?

421 E 7th St, Plainfield, NJ has 2,081 square feet of living space and a 0.15-acre lot.

When was 421 E 7th St, Plainfield, NJ built?

421 E 7th St, Plainfield, NJ was built in 1921, making it 105 years old. The building has 2 stories.

What schools serve 421 E 7th St, Plainfield, NJ?

421 E 7th St, Plainfield, NJ is assigned to Charles And Anna Booker Elementary School (elementary), rated F; Maxson Middle School (middle), rated F; 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 421 E 7th St, Plainfield, NJ compare to other homes in Plainfield 07060?

Among the 7,934 homes in Plainfield 07060, it is worth more than 68% of them ($571,203 against a typical $524,319), its price per square foot is higher than 33% of them ($274 against a typical $308), it is bigger than 73% of them (2,081 ft² against a typical 1,643 ft²), its lot is bigger than 35% of them (0.15 ac against a typical 0.17 ac) and it is newer than 32% of them (1921 against a typical 1931). 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 421 E 7th St, Plainfield, NJ?

The 2025 property tax bill for 421 E 7th St, Plainfield, NJ was $9,908. The county assessed it at $111,000.

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