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Single Family ResidenceResidential
$1,061,541$303 / 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 Sep 24, 2026

399 ROUTE 518

SKILLMAN, NJ 08558
0
Baths
3,506 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.
0.6 ac
Lot SizeThe size of the land the home sits on, from county records.
1838
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$1.1M
$988K low$1.1M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,326 (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.$238,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$122,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$116,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$238,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$238,500

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
Lot (acres)The size of the land the home sits on, from county records.0.60
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(2)

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 · 0.7 mi
E
Orchard Hill Elementary School
Elementary · Grades PK–2 · 1.7 mi
M
Montgomery Upper Middle SchoolA+
Middle · Grades 7–8 · 2.1 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

399 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 83% of homes in Somerset County
  • Costs less per square foot than 88% of homes in Skillman 08558
  • Bigger than 89% of homes in Somerset County
  • Has a bigger lot than 68% 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
$490K$2.1M

This home is worth more than 50% 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$1,061,541
CheaperTypical $1,058,580Pricier

Pricier than 50% of homes nearby

Price per ft²$303
CheaperTypical $373Pricier

Pricier than 12% of homes nearby

Living area3,506 ft²
SmallerTypical 2,873 ft²Bigger

Bigger than 75% of homes nearby

Lot size0.6 ac
SmallerTypical 1.01 acBigger

Bigger than 38% of homes nearby

Year built1838
OlderTypical 1996Newer

Newer than 2% of homes nearby

How 399 Route 518 ranks against every home in each area.
MeasureThis homeSkillman 08558Somerset County
Estimated valuepricier than$1,061,54150% of homes83% of homes
Price per ft²pricier than$30312% of homes21% of homes
Living areabigger than3,506 ft²75% of homes89% of homes
Lot sizebigger than0.6 ac38% of homes68% of homes
Year builtnewer than18382% of homesalmost no homes

About 399 Route 518

How much is 399 Route 518, Skillman, NJ worth?

The TopHap Estimate for 399 Route 518, Skillman, NJ is $1,061,541 as of Sep 24, 2026. The likely range is $987,888 to $1,135,194. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 399 Route 518, Skillman, NJ last sell?

399 Route 518, Skillman, NJ last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 399 Route 518, Skillman, NJ?

399 Route 518, Skillman, NJ has 3,506 square feet of living space and a 0.60-acre lot.

When was 399 Route 518, Skillman, NJ built?

399 Route 518, Skillman, NJ was built in 1838, making it 188 years old. The building has 2 stories.

What schools serve 399 Route 518, Skillman, NJ?

399 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 399 Route 518, Skillman, NJ compare to other homes in Skillman 08558?

Among the 2,488 homes in Skillman 08558, it is worth more than 50% of them ($1,061,541 against a typical $1,058,580), its price per square foot is higher than 12% of them ($303 against a typical $373), it is bigger than 75% of them (3,506 ft² against a typical 2,873 ft²), its lot is bigger than 38% of them (0.6 ac against a typical 1.01 ac) and it is newer than 2% of them (1838 against a typical 1996). Measured against all of Somerset County, it is worth more than 83% 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 399 Route 518, Skillman, NJ?

The 2025 property tax bill for 399 Route 518, Skillman, NJ was $8,326. The county assessed it at $238,500.

More homes on Route 518

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More homes in Skillman 08558

Assigned schools

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