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Single Family ResidenceResidential
$873,980$332 / 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 Aug 30, 2026
Last sold for $171,900 on Jun 12, 1986

4 LIBBY DR

MONMOUTH JUNCTION, NJ 08852
0
Baths
2,632 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.
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.

Valuation

$874K
$813K low$935K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$171,900 · Jun 12, 1986

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,399 (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.$238,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$69,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$169,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$238,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$238,200

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.0.33
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.

E
Monmouth Junction Elementary SchoolA
Elementary · Grades KG–5 · 0.3 mi
H
South Brunswick High SchoolB+
High · Grades 9–12 · 0.7 mi
M
Crossroads North Middle SchoolA
Middle · Grades 6–8 · 1.8 mi

District: South Brunswick Township School District

Neighborhood · ZIP 08852These 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.88
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.89

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.41%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.7%
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.18,372
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,416 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$128,084
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$158,373
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

4 Libby Dr 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 87% of homes in Middlesex County
  • Costs less per square foot than 66% of homes in Middlesex County
  • Bigger than 87% of homes in Middlesex County
  • Has a bigger lot than 84% of homes in Middlesex County
  • Newer than 84% of homes in Fresh Impressions

What homes are worth in Monmouth Junction 08852

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

This home
$284K$1.5M

This home is worth more than 66% of homes in Monmouth Junction 08852.

How it measures up in Monmouth Junction 08852

The dot is this home. The mark in the middle is the typical home in Monmouth Junction 08852.

Estimated value$873,980
CheaperTypical $662,361Pricier

Pricier than 66% of homes nearby

Price per ft²$332
CheaperTypical $341Pricier

Pricier than 42% of homes nearby

Living area2,632 ft²
SmallerTypical 1,993 ft²Bigger

Bigger than 72% of homes nearby

Lot size0.33 ac
SmallerTypical 0.18 acBigger

Bigger than 66% of homes nearby

Year built1986
OlderTypical 1992Newer

Newer than 39% of homes nearby

How 4 Libby Dr ranks against every home in each area.
MeasureThis homeFresh ImpressionsMonmouth Junction 08852Middlesex County
Estimated valuepricier than$873,98078% of homes66% of homes87% of homes
Price per ft²pricier than$33236% of homes42% of homes34% of homes
Living areabigger than2,632 ft²79% of homes72% of homes87% of homes
Lot sizebigger than0.33 ac21% of homes66% of homes84% of homes
Year builtnewer than198684% of homes39% of homes73% of homes

About 4 Libby Dr

How much is 4 Libby Dr, Monmouth Junction, NJ worth?

The TopHap Estimate for 4 Libby Dr, Monmouth Junction, NJ is $873,980 as of Aug 30, 2026. The likely range is $812,500 to $935,460. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 Libby Dr, Monmouth Junction, NJ last sell?

4 Libby Dr, Monmouth Junction, NJ last sold on Jun 12, 1986 for $171,900, according to the county's recorded deed.

How big is 4 Libby Dr, Monmouth Junction, NJ?

4 Libby Dr, Monmouth Junction, NJ has 2,632 square feet of living space and a 0.33-acre lot.

When was 4 Libby Dr, Monmouth Junction, NJ built?

4 Libby Dr, Monmouth Junction, NJ was built in 1986, making it 40 years old.

What schools serve 4 Libby Dr, Monmouth Junction, NJ?

4 Libby Dr, Monmouth Junction, NJ is assigned to Monmouth Junction Elementary School (elementary), rated A; South Brunswick High School (high), rated B+; Crossroads North Middle School (middle), rated A. All sit in South Brunswick Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4 Libby Dr, Monmouth Junction, NJ compare to other homes in Monmouth Junction 08852?

Among the 4,702 homes in Monmouth Junction 08852, it is worth more than 66% of them ($873,980 against a typical $662,361), its price per square foot is higher than 42% of them ($332 against a typical $341), it is bigger than 72% of them (2,632 ft² against a typical 1,993 ft²), its lot is bigger than 66% of them (0.33 ac against a typical 0.18 ac) and it is newer than 39% of them (1986 against a typical 1992). Measured against all of Middlesex County, it is worth more than 87% 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 4 Libby Dr, Monmouth Junction, NJ?

The 2025 property tax bill for 4 Libby Dr, Monmouth Junction, NJ was $13,399. The county assessed it at $238,200.

More homes on Libby Dr

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Assigned schools

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