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Single Family ResidenceResidential
$1,053,673$457 / 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 89How 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 $518,421 on Feb 24, 2004

23 LINES AVE

HOPATCONG, NJ 07843
0
Baths
2,304 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1968
Year BuiltThe year the home was originally built, according to county records.

Valuation

$1.1M
$934K low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$518,421 · Feb 24, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$20,316 (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.$917,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$416,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$501,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$917,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$917,600

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.62
98
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
13
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
58
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
98
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
47
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.196 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.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.0.20
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.

E
Hudson Maxim Elementary School
Elementary · Grades PK–1 · 1.0 mi
H
Hopatcong High SchoolD+
High · Grades 9–12 · 2.4 mi
M
Hopatcong Middle SchoolC-
Middle · Grades 6–8 · 2.7 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

23 Lines Ave 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 98% of homes in Sussex County
  • Costs more per square foot than 94% of homes in Sussex County
  • Bigger than 94% of homes in Hopatcong 07843
  • Has a smaller lot than 73% of homes in Sussex County
  • Newer than 71% 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
$229K$1.2M

This home is worth more than 97% of 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$1,053,673
CheaperTypical $456,751Pricier

Pricier than 97% of homes nearby

Price per ft²$457
CheaperTypical $363Pricier

Pricier than 73% of homes nearby

Living area2,304 ft²
SmallerTypical 1,347 ft²Bigger

Bigger than 94% of homes nearby

Lot size0.2 ac
SmallerTypical 0.19 acBigger

Bigger than 55% of homes nearby

Year built1968
OlderTypical 1958Newer

Newer than 71% of homes nearby

How 23 Lines Ave ranks against every home in each area.
MeasureThis homeHopatcong 07843Sussex County
Estimated valuepricier than$1,053,67397% of homes98% of homes
Price per ft²pricier than$45773% of homes94% of homes
Living areabigger than2,304 ft²94% of homes79% of homes
Lot sizebigger than0.2 ac55% of homes27% of homes
Year builtnewer than196871% of homes43% of homes

About 23 Lines Ave

How much is 23 Lines Ave, Hopatcong, NJ worth?

The TopHap Estimate for 23 Lines Ave, Hopatcong, NJ is $1,053,673 as of Sep 24, 2026. The likely range is $933,686 to $1,173,660. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23 Lines Ave, Hopatcong, NJ last sell?

23 Lines Ave, Hopatcong, NJ last sold on Feb 24, 2004 for $518,421, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 23 Lines Ave, Hopatcong, NJ?

23 Lines Ave, Hopatcong, NJ has 2,304 square feet of living space and a 0.20-acre lot.

When was 23 Lines Ave, Hopatcong, NJ built?

23 Lines Ave, Hopatcong, NJ was built in 1968, making it 58 years old.

What schools serve 23 Lines Ave, Hopatcong, NJ?

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

How does 23 Lines Ave, Hopatcong, NJ compare to other homes in Hopatcong 07843?

Among the 5,415 homes in Hopatcong 07843, it is worth more than 97% of them ($1,053,673 against a typical $456,751), its price per square foot is higher than 73% of them ($457 against a typical $363), it is bigger than 94% of them (2,304 ft² against a typical 1,347 ft²), its lot is bigger than 55% of them (0.2 ac against a typical 0.19 ac) and it is newer than 71% of them (1968 against a typical 1958). Measured against all of Sussex County, it is worth more than 98% 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 Lines Ave, Hopatcong, NJ?

The 2025 property tax bill for 23 Lines Ave, Hopatcong, NJ was $20,316. The county assessed it at $917,600.

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