Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$400,122$341 / 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 87How 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 $43,241 on Mar 11, 1996

509 MONROE AVE

PLAINFIELD, NJ 07063
0
Baths
1,172 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.
1926
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

$400K
$349K low$451K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$43,241 · Mar 11, 1996

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,569 (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.$84,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$28,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$56,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$84,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$84,800

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

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

M
Frank J. Hubbard Middle SchoolC
Middle · Grades 6–8 · 0.6 mi
E
Cedarbrook K-8 CenterC-
Elementary · Grades KG–8 · 1.0 mi
H
Plainfield High SchoolF
High · Grades 9–12 · 1.3 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%

Owner Tools

Do you own this home?
Claim this home

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 Monroe Ave 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 72% of homes in Union County
  • Smaller than 84% of homes in Union County
  • Has a smaller lot than 65% of homes in Plainfield 07063
  • Older than 77% 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
$296K$652K

This home is worth more than 18% 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$400,122
CheaperTypical $469,630Pricier

Pricier than 18% of homes nearby

Price per ft²$341
CheaperTypical $329Pricier

Pricier than 59% of homes nearby

Living area1,172 ft²
SmallerTypical 1,424 ft²Bigger

Bigger than 24% of homes nearby

Lot size0.15 ac
SmallerTypical 0.17 acBigger

Bigger than 35% of homes nearby

Year built1926
OlderTypical 1940Newer

Newer than 40% of homes nearby

How 509 Monroe Ave ranks against every home in each area.
MeasureThis homePlainfield 07063Union County
Estimated valuepricier than$400,12218% of homes6% of homes
Price per ft²pricier than$34159% of homes28% of homes
Living areabigger than1,172 ft²24% of homes16% of homes
Lot sizebigger than0.15 ac35% of homes53% of homes
Year builtnewer than192640% of homes23% of homes

About 509 Monroe Ave

How much is 509 Monroe Ave, Plainfield, NJ worth?

The TopHap Estimate for 509 Monroe Ave, Plainfield, NJ is $400,122 as of Sep 24, 2026. The likely range is $349,268 to $450,976. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 Monroe Ave, Plainfield, NJ last sell?

509 Monroe Ave, Plainfield, NJ last sold on Mar 11, 1996 for $43,241, according to the county's recorded deed.

How big is 509 Monroe Ave, Plainfield, NJ?

509 Monroe Ave, Plainfield, NJ has 1,172 square feet of living space and a 0.15-acre lot.

When was 509 Monroe Ave, Plainfield, NJ built?

509 Monroe Ave, Plainfield, NJ was built in 1926, making it 100 years old. The building has 2 stories.

What schools serve 509 Monroe Ave, Plainfield, NJ?

509 Monroe Ave, Plainfield, NJ is assigned to Frank J. Hubbard Middle School (middle), rated C; Cedarbrook K-8 Center (elementary), rated C-; 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 509 Monroe Ave, Plainfield, NJ compare to other homes in Plainfield 07063?

Among the 3,068 homes in Plainfield 07063, it is worth more than 18% of them ($400,122 against a typical $469,630), its price per square foot is higher than 59% of them ($341 against a typical $329), it is bigger than 24% of them (1,172 ft² against a typical 1,424 ft²), its lot is bigger than 35% of them (0.15 ac against a typical 0.17 ac) and it is newer than 40% of them (1926 against a typical 1940). 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 509 Monroe Ave, Plainfield, NJ?

The 2025 property tax bill for 509 Monroe Ave, Plainfield, NJ was $7,569. The county assessed it at $84,800.

More homes on Monroe Ave

Closest homes

More homes in Plainfield 07063

Assigned schools

Explore the area

See this home in context

Open 509 Monroe Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map