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Single Family ResidenceResidential
$719,632$237 / 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 Jul 14, 2026
Last sold for $542,000 on Apr 6, 2021

21 RIDGE LN

HACKETTSTOWN, NJ 07840
0
Baths
3,036 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.
2.64 ac
Lot SizeThe size of the land the home sits on, from county records.
1998
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

$720K
$677K low$763K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$542,000 · Apr 6, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,719 (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.$361,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$83,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$278,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$361,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$361,500

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.10
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
19
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
StyleThe architectural style of the home, such as ranch or colonial.Colonial
CountyWARREN
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Hackettstown High SchoolC+
High · Grades 9–12 · 2.5 mi
E
Central Elementary SchoolB
Elementary · Grades KG–2 · 3.9 mi
M
Great Meadows Regional Middle SchoolB
Middle · Grades 6–8 · 4.0 mi

District: Great Meadows 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

21 Ridge Ln 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 95% of homes in Warren County
  • Costs less per square foot than 82% of homes in Hackettstown 07840
  • Bigger than 93% of homes in Warren County
  • Has a bigger lot than 95% of homes in Hackettstown 07840
  • Newer than 82% 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
$244K$941K

This home is worth more than 91% 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$719,632
CheaperTypical $498,436Pricier

Pricier than 91% of homes nearby

Price per ft²$237
CheaperTypical $281Pricier

Pricier than 18% of homes nearby

Living area3,036 ft²
SmallerTypical 1,772 ft²Bigger

Bigger than 92% of homes nearby

Lot size2.64 ac
SmallerTypical 0.26 acBigger

Bigger than 95% of homes nearby

Year built1998
OlderTypical 1983Newer

Newer than 79% of homes nearby

How 21 Ridge Ln ranks against every home in each area.
MeasureThis homeHackettstown 07840Warren County
Estimated valuepricier than$719,63291% of homes95% of homes
Price per ft²pricier than$23718% of homes39% of homes
Living areabigger than3,036 ft²92% of homes93% of homes
Lot sizebigger than2.64 ac95% of homes90% of homes
Year builtnewer than199879% of homes82% of homes

About 21 Ridge Ln

How much is 21 Ridge Ln, Hackettstown, NJ worth?

The TopHap Estimate for 21 Ridge Ln, Hackettstown, NJ is $719,632 as of Jul 14, 2026. The likely range is $676,720 to $762,544. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Ridge Ln, Hackettstown, NJ last sell?

21 Ridge Ln, Hackettstown, NJ last sold on Apr 6, 2021 for $542,000, according to the county's recorded deed.

When was 21 Ridge Ln, Hackettstown, NJ built?

21 Ridge Ln, Hackettstown, NJ was built in 1998, making it 28 years old. It is a colonial home. The building has 2 stories.

What schools serve 21 Ridge Ln, Hackettstown, NJ?

21 Ridge Ln, Hackettstown, NJ is assigned to Hackettstown High School (high), rated C+; Central Elementary School (elementary), rated B; Great Meadows Regional Middle School (middle), rated B. All sit in Great Meadows Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Ridge Ln, Hackettstown, NJ compare to other homes in Hackettstown 07840?

Among the 9,122 homes in Hackettstown 07840, it is worth more than 91% of them ($719,632 against a typical $498,436), its price per square foot is higher than 18% of them ($237 against a typical $281), it is bigger than 92% of them (3,036 ft² against a typical 1,772 ft²), its lot is bigger than 95% of them (2.64 ac against a typical 0.26 ac) and it is newer than 79% of them (1998 against a typical 1983). Measured against all of Warren County, it is worth more than 95% 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 21 Ridge Ln, Hackettstown, NJ?

The 2025 property tax bill for 21 Ridge Ln, Hackettstown, NJ was $13,719. The county assessed it at $361,500.

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