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Single Family ResidenceResidential
$357,472$355 / 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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $340,000 on Jun 3, 2025

309 MONROE AVE

PLAINFIELD, NJ 07063
0
Baths
1,008 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.

Valuation

$357K
$323K low$392K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$340,000 · Jun 3, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,516 (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.$76,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$23,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$53,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$61,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$76,800

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

Transaction History(11)

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(3)

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

E
Clinton Elementary SchoolC-
Elementary · Grades KG–5 · 0.4 mi
M
Frank J. Hubbard Middle SchoolC
Middle · Grades 6–8 · 0.7 mi
H
Plainfield High SchoolF
High · Grades 9–12 · 1.4 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

309 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 97% of homes in Union County
  • Costs less per square foot than 67% of homes in Union County
  • Smaller than 90% of homes in Union County
  • Has a smaller lot than 66% 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
$304K$664K

This home is worth more than 9% 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$357,472
CheaperTypical $471,033Pricier

Pricier than 9% of homes nearby

Price per ft²$355
CheaperTypical $328Pricier

Pricier than 66% of homes nearby

Living area1,008 ft²
SmallerTypical 1,424 ft²Bigger

Bigger than 12% of homes nearby

Lot size0.15 ac
SmallerTypical 0.17 acBigger

Bigger than 34% of homes nearby

Year built1921
OlderTypical 1941Newer

Newer than 31% of homes nearby

How 309 Monroe Ave ranks against every home in each area.
MeasureThis homePlainfield 07063Union County
Estimated valuepricier than$357,4729% of homes3% of homes
Price per ft²pricier than$35566% of homes33% of homes
Living areabigger than1,008 ft²12% of homes10% of homes
Lot sizebigger than0.15 ac34% of homes53% of homes
Year builtnewer than192131% of homes16% of homes

About 309 Monroe Ave

How much is 309 Monroe Ave, Plainfield, NJ worth?

The TopHap Estimate for 309 Monroe Ave, Plainfield, NJ is $357,472 as of Aug 30, 2026. The likely range is $323,241 to $391,703. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 Monroe Ave, Plainfield, NJ last sell?

309 Monroe Ave, Plainfield, NJ last sold on Jun 3, 2025 for $340,000, according to the county's recorded deed. TopHap holds 10 recorded sales for this parcel.

How big is 309 Monroe Ave, Plainfield, NJ?

309 Monroe Ave, Plainfield, NJ has 1,008 square feet of living space and a 0.15-acre lot.

When was 309 Monroe Ave, Plainfield, NJ built?

309 Monroe Ave, Plainfield, NJ was built in 1921, making it 105 years old. The building has 2 stories.

What schools serve 309 Monroe Ave, Plainfield, NJ?

309 Monroe Ave, Plainfield, NJ is assigned to Clinton Elementary School (elementary), rated C-; Frank J. Hubbard Middle School (middle), 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 309 Monroe Ave, Plainfield, NJ compare to other homes in Plainfield 07063?

Among the 3,068 homes in Plainfield 07063, it is worth more than 9% of them ($357,472 against a typical $471,033), its price per square foot is higher than 66% of them ($355 against a typical $328), it is bigger than 12% of them (1,008 ft² against a typical 1,424 ft²), its lot is bigger than 34% of them (0.15 ac against a typical 0.17 ac) and it is newer than 31% of them (1921 against a typical 1941). Measured against all of Union County, it is worth more than 3% 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 309 Monroe Ave, Plainfield, NJ?

The 2025 property tax bill for 309 Monroe Ave, Plainfield, NJ was $5,516. The county assessed it at $76,800.

More homes on Monroe Ave

Closest homes

More homes in Plainfield 07063

Assigned schools

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