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Single Family ResidenceResidential
$410,784$380 / 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 Sep 24, 2026
Last sold for $5,222,000 on Jul 29, 2016

814 E PROSPECT ST

HACKETTSTOWN, NJ 07840
0
Baths
1,080 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.
1965
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$411K
$387K low$435K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$5,222,000 · Jul 29, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,729 (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.$222,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$130,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$91,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$222,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$222,300

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.16
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
17
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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.0.33
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.

M
Hackettstown Middle SchoolC+
Middle · Grades 5–8 · 1.0 mi
H
Hackettstown High SchoolC
High · Grades 9–12 · 1.4 mi
E
Hatchery Hill Elementary SchoolB-
Elementary · Grades KG–1 · 1.5 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%

Owner Tools

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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

814 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 less than 74% of homes in Hackettstown 07840
  • Costs more per square foot than 97% of homes in Warren County
  • Smaller than 90% of homes in Hackettstown 07840
  • Older than 74% 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
$259K$906K

This home is worth more than 26% 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$410,784
CheaperTypical $492,638Pricier

Pricier than 26% of homes nearby

Price per ft²$380
CheaperTypical $279Pricier

Pricier than 93% of homes nearby

Living area1,080 ft²
SmallerTypical 1,779 ft²Bigger

Bigger than 10% of homes nearby

Lot size0.33 ac
SmallerTypical 0.26 acBigger

Bigger than 58% of homes nearby

Year built1965
OlderTypical 1983Newer

Newer than 26% of homes nearby

How 814 E Prospect St ranks against every home in each area.
MeasureThis homeHackettstown 07840Warren County
Estimated valuepricier than$410,78426% of homes48% of homes
Price per ft²pricier than$38093% of homes97% of homes
Living areabigger than1,080 ft²10% of homes12% of homes
Lot sizebigger than0.33 ac58% of homes51% of homes
Year builtnewer than196526% of homes46% of homes

About 814 E Prospect St

How much is 814 E Prospect St, Hackettstown, NJ worth?

The TopHap Estimate for 814 E Prospect St, Hackettstown, NJ is $410,784 as of Sep 24, 2026. The likely range is $386,786 to $434,782. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 814 E Prospect St, Hackettstown, NJ last sell?

814 E Prospect St, Hackettstown, NJ last sold on Jul 29, 2016 for $5,222,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 814 E Prospect St, Hackettstown, NJ?

814 E Prospect St, Hackettstown, NJ has 1,080 square feet of living space and a 0.33-acre lot.

When was 814 E Prospect St, Hackettstown, NJ built?

814 E Prospect St, Hackettstown, NJ was built in 1965, making it 61 years old. The building has 1 story.

What schools serve 814 E Prospect St, Hackettstown, NJ?

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

How does 814 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 26% of them ($410,784 against a typical $492,638), its price per square foot is higher than 93% of them ($380 against a typical $279), it is bigger than 10% of them (1,080 ft² against a typical 1,779 ft²), its lot is bigger than 58% of them (0.33 ac against a typical 0.26 ac) and it is newer than 26% of them (1965 against a typical 1983). Measured against all of Warren County, it is worth more than 48% 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 814 E Prospect St, Hackettstown, NJ?

The 2025 property tax bill for 814 E Prospect St, Hackettstown, NJ was $7,729. The county assessed it at $222,300.

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