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Single Family ResidenceResidential
$207,375$617 / 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 92How 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 $35,000 on Feb 22, 2013

21 LARSEN TRL

HOPATCONG, NJ 07843
0
Baths
336 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.
4,199 ft²
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$207K
$190K low$224K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$35,000 · Feb 22, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,704 (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.$167,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$122,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$45,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$167,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$167,300

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.40
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.
57
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
97
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. 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
CountySUSSEX
Lot (acres)The size of the land the home sits on, from county records.0.10
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.

E
Hudson Maxim Elementary School
Elementary · Grades PK–1 · 0.5 mi
H
Hopatcong High SchoolD
High · Grades 9–12 · 1.6 mi
M
Hopatcong Middle SchoolD+
Middle · Grades 6–8 · 1.9 mi

District: Hopatcong Borough School District

Neighborhood · ZIP 07843These 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.96
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.91

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
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.1.6%
PopulationHow many people live in this area.10,879
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,123 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$104,477
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$126,349
Average tempThe average temperature here across a full year.48°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 Larsen Trl 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.

  • Among the least valuable homes in Hopatcong 07843
  • Among the highest price per square foot in Sussex County
  • Among the smallest homes in Sussex County
  • Has a smaller lot than 88% of homes in Hopatcong 07843
  • Older than 86% of homes in Hopatcong 07843

What homes are worth in Hopatcong 07843

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

This home
$231K$1.2M

This home is worth less than almost all homes in Hopatcong 07843.

How it measures up in Hopatcong 07843

The dot is this home. The mark in the middle is the typical home in Hopatcong 07843.

Estimated value$207,375
CheaperTypical $456,156Pricier

Cheaper than almost all homes nearby

Price per ft²$617
CheaperTypical $363Pricier

Pricier than 94% of homes nearby

Living area336 ft²
SmallerTypical 1,348 ft²Bigger

Smaller than almost all homes nearby

Lot size4,199 ft²
SmallerTypical 0.19 acBigger

Bigger than 12% of homes nearby

Year built1940
OlderTypical 1958Newer

Newer than 14% of homes nearby

How 21 Larsen Trl ranks against every home in each area.
MeasureThis homeHopatcong 07843Sussex County
Estimated valuepricier than$207,375almost no homes5% of homes
Price per ft²pricier than$61794% of homesalmost all homes
Living areabigger than336 ft²almost no homesalmost no homes
Lot sizebigger than4,199 ft²12% of homes13% of homes
Year builtnewer than194014% of homes15% of homes

About 21 Larsen Trl

How much is 21 Larsen Trl, Hopatcong, NJ worth?

The TopHap Estimate for 21 Larsen Trl, Hopatcong, NJ is $207,375 as of Sep 24, 2026. The likely range is $190,324 to $224,426. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Larsen Trl, Hopatcong, NJ last sell?

21 Larsen Trl, Hopatcong, NJ last sold on Feb 22, 2013 for $35,000, according to the county's recorded deed.

How big is 21 Larsen Trl, Hopatcong, NJ?

21 Larsen Trl, Hopatcong, NJ has 336 square feet of living space and a 0.10-acre lot.

When was 21 Larsen Trl, Hopatcong, NJ built?

21 Larsen Trl, Hopatcong, NJ was built in 1940, making it 86 years old. The building has 1 story.

What schools serve 21 Larsen Trl, Hopatcong, NJ?

21 Larsen Trl, Hopatcong, NJ is assigned to Hudson Maxim Elementary School (elementary); Hopatcong High School (high), rated D; Hopatcong Middle School (middle), rated D+. All sit in Hopatcong Borough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Larsen Trl, Hopatcong, NJ compare to other homes in Hopatcong 07843?

Among the 5,415 homes in Hopatcong 07843, it is worth more than almost none of them ($207,375 against a typical $456,156), its price per square foot is higher than 94% of them ($617 against a typical $363), it is bigger than almost none of them (336 ft² against a typical 1,348 ft²), its lot is bigger than 12% of them (4,199 ft² against a typical 0.19 ac) and it is newer than 14% of them (1940 against a typical 1958). Measured against all of Sussex County, it is worth more than 5% 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 Larsen Trl, Hopatcong, NJ?

The 2025 property tax bill for 21 Larsen Trl, Hopatcong, NJ was $3,704. The county assessed it at $167,300.

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