Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$642,326$281 / 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 Sep 24, 2026
Last sold for $375,000 on Mar 2, 2016

300 ROCK AVE

NORTH PLAINFIELD, NJ 07063
0
Baths
2,288 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.
0.45 ac
Lot SizeThe size of the land the home sits on, from county records.
2007
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

$642K
$608K low$677K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$375,000 · Mar 2, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,446 (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.$340,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$110,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$230,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$340,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$340,000

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.49
25
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
18
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
68
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
91
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
43
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.0.2 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
CountySOMERSET
Lot (acres)The size of the land the home sits on, from county records.0.45
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(1)

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
West End Elementary SchoolD
Elementary · Grades KG–4 · 0.7 mi
H
North Plainfield High SchoolD
High · Grades 9–12 · 1.5 mi
M
North Plainfield Middle SchoolC
Middle · Grades 7–8 · 1.5 mi

District: North Plainfield Borough 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

300 Rock 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 more than 97% of homes in Plainfield 07063
  • Costs less per square foot than 88% of homes in Somerset County
  • Bigger than 92% of homes in Plainfield 07063
  • Has a bigger lot than 96% of homes in Plainfield 07063
  • Among the newest homes in Plainfield 07063

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
$290K$667K

This home is worth more than 97% 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$642,326
CheaperTypical $470,032Pricier

Pricier than 97% of homes nearby

Price per ft²$281
CheaperTypical $329Pricier

Pricier than 25% of homes nearby

Living area2,288 ft²
SmallerTypical 1,424 ft²Bigger

Bigger than 92% of homes nearby

Lot size0.45 ac
SmallerTypical 0.17 acBigger

Bigger than 96% of homes nearby

Year built2007
OlderTypical 1940Newer

Newer than almost all homes nearby

How 300 Rock Ave ranks against every home in each area.
MeasureThis homePlainfield 07063Somerset County
Estimated valuepricier than$642,32697% of homes47% of homes
Price per ft²pricier than$28125% of homes12% of homes
Living areabigger than2,288 ft²92% of homes64% of homes
Lot sizebigger than0.45 ac96% of homes61% of homes
Year builtnewer than2007almost all homes95% of homes

About 300 Rock Ave

How much is 300 Rock Ave, North Plainfield, NJ worth?

The TopHap Estimate for 300 Rock Ave, North Plainfield, NJ is $642,326 as of Sep 24, 2026. The likely range is $608,107 to $676,545. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 300 Rock Ave, North Plainfield, NJ last sell?

300 Rock Ave, North Plainfield, NJ last sold on Mar 2, 2016 for $375,000, according to the county's recorded deed.

How big is 300 Rock Ave, North Plainfield, NJ?

300 Rock Ave, North Plainfield, NJ has 2,288 square feet of living space and a 0.45-acre lot.

When was 300 Rock Ave, North Plainfield, NJ built?

300 Rock Ave, North Plainfield, NJ was built in 2007, making it 19 years old. The building has 2 stories.

What schools serve 300 Rock Ave, North Plainfield, NJ?

300 Rock Ave, North Plainfield, NJ is assigned to West End Elementary School (elementary), rated D; North Plainfield High School (high), rated D; North Plainfield Middle School (middle), rated C. All sit in North Plainfield Borough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 300 Rock Ave, North Plainfield, NJ compare to other homes in Plainfield 07063?

Among the 3,068 homes in Plainfield 07063, it is worth more than 97% of them ($642,326 against a typical $470,032), its price per square foot is higher than 25% of them ($281 against a typical $329), it is bigger than 92% of them (2,288 ft² against a typical 1,424 ft²), its lot is bigger than 96% of them (0.45 ac against a typical 0.17 ac) and it is newer than almost all of them (2007 against a typical 1940). Measured against all of Somerset County, it is worth more than 47% 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 300 Rock Ave, North Plainfield, NJ?

The 2025 property tax bill for 300 Rock Ave, North Plainfield, NJ was $15,446. The county assessed it at $340,000.

More homes on Rock Ave

Closest homes

More homes in North Plainfield 07063

Assigned schools

Explore the area

See this home in context

Open 300 Rock 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