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Single Family ResidenceResidential
$1,129,554$302 / 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 $851,000 on Aug 9, 2021

431 ROUTE 518

SKILLMAN, NJ 08558
0
Baths
3,736 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.
2.32 ac
Lot SizeThe size of the land the home sits on, from county records.
1832
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$1.1M
$1M low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$851,000 · Aug 9, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$19,846 (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.$568,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$230,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$338,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$568,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$568,500

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.45
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
67
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
95
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.
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.minimal

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
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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.

H
Montgomery High SchoolA-
High · Grades 9–12 · 0.8 mi
E
Orchard Hill Elementary School
Elementary · Grades PK–2 · 1.6 mi
M
Montgomery Upper Middle SchoolA+
Middle · Grades 7–8 · 2.0 mi

District: Montgomery Township School District

Neighborhood · ZIP 08558These 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.1
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 100.96

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.8,270
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.495 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$176,815
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$218,901
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

431 Route 518 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 86% of homes in Somerset County
  • Costs less per square foot than 88% of homes in Skillman 08558
  • Bigger than 92% of homes in Somerset County
  • Has a bigger lot than 95% of homes in Somerset County
  • Among the oldest homes in Somerset County

What homes are worth in Skillman 08558

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

This home
$473K$2M

This home is worth more than 57% of homes in Skillman 08558.

How it measures up in Skillman 08558

The dot is this home. The mark in the middle is the typical home in Skillman 08558.

Estimated value$1,129,554
CheaperTypical $1,066,152Pricier

Pricier than 57% of homes nearby

Price per ft²$302
CheaperTypical $374Pricier

Pricier than 12% of homes nearby

Living area3,736 ft²
SmallerTypical 2,866 ft²Bigger

Bigger than 79% of homes nearby

Lot size2.32 ac
SmallerTypical 1.01 acBigger

Bigger than 84% of homes nearby

Year built1832
OlderTypical 1996Newer

Older than almost all homes nearby

How 431 Route 518 ranks against every home in each area.
MeasureThis homeSkillman 08558Somerset County
Estimated valuepricier than$1,129,55457% of homes86% of homes
Price per ft²pricier than$30212% of homes21% of homes
Living areabigger than3,736 ft²79% of homes92% of homes
Lot sizebigger than2.32 ac84% of homes95% of homes
Year builtnewer than1832almost no homesalmost no homes

About 431 Route 518

How much is 431 Route 518, Skillman, NJ worth?

The TopHap Estimate for 431 Route 518, Skillman, NJ is $1,129,554 as of Aug 30, 2026. The likely range is $1,048,783 to $1,210,325. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 431 Route 518, Skillman, NJ last sell?

431 Route 518, Skillman, NJ last sold on Aug 9, 2021 for $851,000, according to the county's recorded deed.

When was 431 Route 518, Skillman, NJ built?

431 Route 518, Skillman, NJ was built in 1832, making it 194 years old. The building has 2 stories.

What schools serve 431 Route 518, Skillman, NJ?

431 Route 518, Skillman, NJ is assigned to Montgomery High School (high), rated A-; Orchard Hill Elementary School (elementary); Montgomery Upper Middle School (middle), rated A+. All sit in Montgomery Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 431 Route 518, Skillman, NJ compare to other homes in Skillman 08558?

Among the 2,488 homes in Skillman 08558, it is worth more than 57% of them ($1,129,554 against a typical $1,066,152), its price per square foot is higher than 12% of them ($302 against a typical $374), it is bigger than 79% of them (3,736 ft² against a typical 2,866 ft²), its lot is bigger than 84% of them (2.32 ac against a typical 1.01 ac) and it is newer than almost none of them (1832 against a typical 1996). Measured against all of Somerset County, it is worth more than 86% 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 431 Route 518, Skillman, NJ?

The 2025 property tax bill for 431 Route 518, Skillman, NJ was $19,846. The county assessed it at $568,500.

More homes on Route 518

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Assigned schools

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