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Single Family ResidenceResidential
$620,268$149 / 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 96How 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 $358,000 on Mar 23, 2009

109 E PROSPECT ST

HACKETTSTOWN, NJ 07840
0
Baths
4,152 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1935
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$620K
$596K low$644K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$358,000 · Mar 23, 2009

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,023 (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.$345,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$121,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$224,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$345,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$345,800

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.19
49
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
16
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.13 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.1 percent flood zone

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.0.19
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(3)

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
Hackettstown Middle SchoolB
Middle · Grades 5–8 · 0.6 mi
E
Hatchery Hill Elementary School
Elementary · Grades KG–1 · 0.9 mi
H
Hackettstown High SchoolC+
High · Grades 9–12 · 1.0 mi

District: Hackettstown Town 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

109 E Prospect St 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 Warren County
  • Among the lowest price per square foot in Hackettstown 07840
  • Among the largest homes in Warren County
  • Has a smaller lot than 67% of homes in Warren County
  • Older than 91% of homes in Hackettstown 07840

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
$242K$878K

This home is worth more than 77% 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$620,268
CheaperTypical $489,807Pricier

Pricier than 77% of homes nearby

Price per ft²$149
CheaperTypical $278Pricier

Cheaper than almost all homes nearby

Living area4,152 ft²
SmallerTypical 1,782 ft²Bigger

Bigger than 98% of homes nearby

Lot size0.19 ac
SmallerTypical 0.26 acBigger

Bigger than 40% of homes nearby

Year built1935
OlderTypical 1983Newer

Newer than 9% of homes nearby

How 109 E Prospect St ranks against every home in each area.
MeasureThis homeHackettstown 07840Warren County
Estimated valuepricier than$620,26877% of homes87% of homes
Price per ft²pricier than$149almost no homes4% of homes
Living areabigger than4,152 ft²98% of homesalmost all homes
Lot sizebigger than0.19 ac40% of homes33% of homes
Year builtnewer than19359% of homes26% of homes

About 109 E Prospect St

How much is 109 E Prospect St, Hackettstown, NJ worth?

The TopHap Estimate for 109 E Prospect St, Hackettstown, NJ is $620,268 as of Aug 30, 2026. The likely range is $596,157 to $644,380. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 109 E Prospect St, Hackettstown, NJ last sell?

109 E Prospect St, Hackettstown, NJ last sold on Mar 23, 2009 for $358,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 109 E Prospect St, Hackettstown, NJ?

109 E Prospect St, Hackettstown, NJ has 4,152 square feet of living space and a 0.19-acre lot.

When was 109 E Prospect St, Hackettstown, NJ built?

109 E Prospect St, Hackettstown, NJ was built in 1935, making it 91 years old. The building has 2 stories.

What schools serve 109 E Prospect St, Hackettstown, NJ?

109 E Prospect St, Hackettstown, NJ is assigned to Hackettstown Middle School (middle), rated B; Hatchery Hill Elementary School (elementary); Hackettstown High School (high), rated C+. All sit in Hackettstown Town School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 109 E Prospect St, Hackettstown, NJ compare to other homes in Hackettstown 07840?

Among the 9,122 homes in Hackettstown 07840, it is worth more than 77% of them ($620,268 against a typical $489,807), its price per square foot is higher than almost none of them ($149 against a typical $278), it is bigger than 98% of them (4,152 ft² against a typical 1,782 ft²), its lot is bigger than 40% of them (0.19 ac against a typical 0.26 ac) and it is newer than 9% of them (1935 against a typical 1983). Measured against all of Warren 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 109 E Prospect St, Hackettstown, NJ?

The 2025 property tax bill for 109 E Prospect St, Hackettstown, NJ was $12,023. The county assessed it at $345,800.

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