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Single Family ResidenceResidential
$667,357$267 / 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 94How 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 $172,900 on Oct 17, 1994

18 FLEMMING PL

HACKETTSTOWN, NJ 07840
0
Baths
2,496 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.
0.9 ac
Lot SizeThe size of the land the home sits on, from county records.
1994
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

$667K
$626K low$709K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$172,900 · Oct 17, 1994

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,234 (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.$315,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$106,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$208,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$315,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$315,300

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.9
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
15
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
30
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
CountyWARREN
Lot (acres)The size of the land the home sits on, from county records.0.90
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

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Mansfield Township Elementary SchoolB-
Elementary · Grades PK–6 · 4.9 mi
H
Warren Hills Regional High SchoolC
High · Grades 9–12 · 8.1 mi
M
Warren Hills Regional Middle SchoolC+
Middle · Grades 7–8 · 8.6 mi

District: Warren Hills Regional School District

Neighborhood · ZIP 07840These 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.72
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.85

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.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.30,612
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.849 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$110,139
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$126,293
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.52 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

18 Flemming Pl 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 92% of homes in Warren County
  • Bigger than 83% of homes in Warren County
  • Has a bigger lot than 80% of homes in Hackettstown 07840
  • Newer than 77% of homes in Warren County

What homes are worth in Hackettstown 07840

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

This home
$250K$887K

This home is worth more than 86% of homes in Hackettstown 07840.

How it measures up in Hackettstown 07840

The dot is this home. The mark in the middle is the typical home in Hackettstown 07840.

Estimated value$667,357
CheaperTypical $491,277Pricier

Pricier than 86% of homes nearby

Price per ft²$267
CheaperTypical $279Pricier

Pricier than 41% of homes nearby

Living area2,496 ft²
SmallerTypical 1,772 ft²Bigger

Bigger than 82% of homes nearby

Lot size0.9 ac
SmallerTypical 0.26 acBigger

Bigger than 80% of homes nearby

Year built1994
OlderTypical 1983Newer

Newer than 74% of homes nearby

How 18 Flemming Pl ranks against every home in each area.
MeasureThis homeHackettstown 07840Warren County
Estimated valuepricier than$667,35786% of homes92% of homes
Price per ft²pricier than$26741% of homes64% of homes
Living areabigger than2,496 ft²82% of homes83% of homes
Lot sizebigger than0.9 ac80% of homes69% of homes
Year builtnewer than199474% of homes77% of homes

About 18 Flemming Pl

How much is 18 Flemming Pl, Hackettstown, NJ worth?

The TopHap Estimate for 18 Flemming Pl, Hackettstown, NJ is $667,357 as of Aug 30, 2026. The likely range is $625,784 to $708,930. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Flemming Pl, Hackettstown, NJ last sell?

18 Flemming Pl, Hackettstown, NJ last sold on Oct 17, 1994 for $172,900, according to the county's recorded deed.

How big is 18 Flemming Pl, Hackettstown, NJ?

18 Flemming Pl, Hackettstown, NJ has 2,496 square feet of living space and a 0.90-acre lot.

When was 18 Flemming Pl, Hackettstown, NJ built?

18 Flemming Pl, Hackettstown, NJ was built in 1994, making it 32 years old. The building has 2 stories.

What schools serve 18 Flemming Pl, Hackettstown, NJ?

18 Flemming Pl, Hackettstown, NJ is assigned to Mansfield Township Elementary School (elementary), rated B-; Warren Hills Regional High School (high), rated C; Warren Hills Regional Middle School (middle), rated C+. All sit in Warren Hills Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Flemming Pl, Hackettstown, NJ compare to other homes in Hackettstown 07840?

Among the 9,122 homes in Hackettstown 07840, it is worth more than 86% of them ($667,357 against a typical $491,277), its price per square foot is higher than 41% of them ($267 against a typical $279), it is bigger than 82% of them (2,496 ft² against a typical 1,772 ft²), its lot is bigger than 80% of them (0.9 ac against a typical 0.26 ac) and it is newer than 74% of them (1994 against a typical 1983). Measured against all of Warren County, it is worth more than 92% 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 18 Flemming Pl, Hackettstown, NJ?

The 2025 property tax bill for 18 Flemming Pl, Hackettstown, NJ was $11,234. The county assessed it at $315,300.

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