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Single Family ResidenceResidential
$682,905$289 / 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
Last sold for $520,000 on May 12, 2021

23 JOHN ST

HACKETTSTOWN, NJ 07840
0
Baths
2,364 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.
1.32 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
Year BuiltThe year the home was originally built, according to county records.

Valuation

$683K
$634K low$732K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$520,000 · May 12, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,982 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$372,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$173,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$199,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$372,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$372,500

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.125 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%

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
CountyMORRIS
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.

E
Sandshore Rd. Elementary SchoolB+
Elementary · Grades KG–5 · 2.0 mi
M
Mount Olive Middle SchoolB
Middle · Grades 6–8 · 3.2 mi
H
Mount Olive High SchoolB-
High · Grades 9–12 · 5.0 mi

District: Mount Olive Township 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

23 John 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 88% of homes in Hackettstown 07840
  • Costs less per square foot than 86% of homes in Morris County
  • Bigger than 78% of homes in Hackettstown 07840
  • Has a bigger lot than 89% of homes in Morris County
  • Newer than 74% of homes in Morris 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
$258K$922K

This home is worth more than 88% 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$682,905
CheaperTypical $492,461Pricier

Pricier than 88% of homes nearby

Price per ft²$289
CheaperTypical $279Pricier

Pricier than 57% of homes nearby

Living area2,364 ft²
SmallerTypical 1,772 ft²Bigger

Bigger than 78% of homes nearby

Lot size1.32 ac
SmallerTypical 0.26 acBigger

Bigger than 88% of homes nearby

Year built1987
OlderTypical 1983Newer

Newer than 60% of homes nearby

How 23 John St ranks against every home in each area.
MeasureThis homeHackettstown 07840Morris County
Estimated valuepricier than$682,90588% of homes45% of homes
Price per ft²pricier than$28957% of homes14% of homes
Living areabigger than2,364 ft²78% of homes66% of homes
Lot sizebigger than1.32 ac88% of homes89% of homes
Year builtnewer than198760% of homes74% of homes

About 23 John St

How much is 23 John St, Hackettstown, NJ worth?

The TopHap Estimate for 23 John St, Hackettstown, NJ is $682,905 as of Sep 24, 2026. The likely range is $633,762 to $732,048. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23 John St, Hackettstown, NJ last sell?

23 John St, Hackettstown, NJ last sold on May 12, 2021 for $520,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

When was 23 John St, Hackettstown, NJ built?

23 John St, Hackettstown, NJ was built in 1987, making it 39 years old.

What schools serve 23 John St, Hackettstown, NJ?

23 John St, Hackettstown, NJ is assigned to Sandshore Rd. Elementary School (elementary), rated B+; Mount Olive Middle School (middle), rated B; Mount Olive High School (high), rated B-. All sit in Mount Olive Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23 John St, Hackettstown, NJ compare to other homes in Hackettstown 07840?

Among the 9,122 homes in Hackettstown 07840, it is worth more than 88% of them ($682,905 against a typical $492,461), its price per square foot is higher than 57% of them ($289 against a typical $279), it is bigger than 78% of them (2,364 ft² against a typical 1,772 ft²), its lot is bigger than 88% of them (1.32 ac against a typical 0.26 ac) and it is newer than 60% of them (1987 against a typical 1983). Measured against all of Morris County, it is worth more than 45% 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 23 John St, Hackettstown, NJ?

The 2024 property tax bill for 23 John St, Hackettstown, NJ was $12,982. The county assessed it at $372,500.

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Assigned schools

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