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Single Family ResidenceResidential
$479,771$290 / 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 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $70,000 on Jan 21, 2017

344 ROCK AVE

PISCATAWAY, NJ 08854
0
Baths
1,656 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1939
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$480K
$425K low$534K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$70,000 · Jan 21, 2017
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$258,334
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$206,667
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.46%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$221,437
ALLIED MTG · recorded Jan 21, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,856 (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.$456,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$218,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$237,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$381,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$456,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.14
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.

M
T. Schor Middle SchoolB-
Middle · Grades 6–8 · 2.2 mi
E
Grandview Elementary SchoolC
Elementary · Grades KG–3 · 2.3 mi
H
Piscataway High SchoolB-
High · Grades 9–12 · 3.4 mi

District: Piscataway Township School District

Neighborhood · ZIP 08854These 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.57
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 100.103

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.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.63,382
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,298 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$116,616
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$138,705
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

344 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 less than 82% of homes in Piscataway 08854
  • Costs less per square foot than 92% of homes in Piscataway 08854
  • Has a smaller lot than 74% of homes in Piscataway 08854
  • Older than 91% of homes in Piscataway 08854

What homes are worth in Piscataway 08854

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

This home
$338K$1M

This home is worth more than 18% of homes in Piscataway 08854.

How it measures up in Piscataway 08854

The dot is this home. The mark in the middle is the typical home in Piscataway 08854.

Estimated value$479,771
CheaperTypical $582,039Pricier

Pricier than 18% of homes nearby

Price per ft²$290
CheaperTypical $356Pricier

Pricier than 8% of homes nearby

Living area1,656 ft²
SmallerTypical 1,628 ft²Bigger

Bigger than 52% of homes nearby

Lot size0.14 ac
SmallerTypical 0.23 acBigger

Bigger than 26% of homes nearby

Year built1939
OlderTypical 1973Newer

Newer than 9% of homes nearby

How 344 Rock Ave ranks against every home in each area.
MeasureThis homePiscataway 08854Middlesex County
Estimated valuepricier than$479,77118% of homes25% of homes
Price per ft²pricier than$2908% of homes14% of homes
Living areabigger than1,656 ft²52% of homes52% of homes
Lot sizebigger than0.14 ac26% of homes45% of homes
Year builtnewer than19399% of homes15% of homes

About 344 Rock Ave

How much is 344 Rock Ave, Piscataway, NJ worth?

The TopHap Estimate for 344 Rock Ave, Piscataway, NJ is $479,771 as of Jul 14, 2026. The likely range is $425,191 to $534,351. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 344 Rock Ave, Piscataway, NJ last sell?

344 Rock Ave, Piscataway, NJ last sold on Jan 21, 2017 for $70,000, according to the county's recorded deed.

How big is 344 Rock Ave, Piscataway, NJ?

344 Rock Ave, Piscataway, NJ has 1,656 square feet of living space and a 0.14-acre lot.

When was 344 Rock Ave, Piscataway, NJ built?

344 Rock Ave, Piscataway, NJ was built in 1939, making it 87 years old. The building has 2 stories.

What schools serve 344 Rock Ave, Piscataway, NJ?

344 Rock Ave, Piscataway, NJ is assigned to T. Schor Middle School (middle), rated B-; Grandview Elementary School (elementary), rated C; Piscataway High School (high), rated B-. All sit in Piscataway Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 344 Rock Ave, Piscataway, NJ compare to other homes in Piscataway 08854?

Among the 13,708 homes in Piscataway 08854, it is worth more than 18% of them ($479,771 against a typical $582,039), its price per square foot is higher than 8% of them ($290 against a typical $356), it is bigger than 52% of them (1,656 ft² against a typical 1,628 ft²), its lot is bigger than 26% of them (0.14 ac against a typical 0.23 ac) and it is newer than 9% of them (1939 against a typical 1973). Measured against all of Middlesex County, it is worth more than 25% 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 344 Rock Ave, Piscataway, NJ?

The 2025 property tax bill for 344 Rock Ave, Piscataway, NJ was $6,856. The county assessed it at $456,000.

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Assigned schools

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