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Single Family ResidenceResidential
$255,470$250 / 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 86How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $47,500 on Feb 10, 2004

45 ISABELLE AVE

ANDOVER, NJ 07821
0
Baths
1,021 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.
0.34 ac
Lot SizeThe size of the land the home sits on, from county records.
1
StoriesHow many floors the home has above ground.

Valuation

$255K
$219K low$292K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$47,500 · Feb 10, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,180 (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.$188,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$105,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$83,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$188,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$188,800

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.
16
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.
98
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.0.34
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(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.

E
Hudson Maxim Elementary School
Elementary · Grades PK–1 · 1.9 mi
H
Hopatcong High SchoolD
High · Grades 9–12 · 3.7 mi
M
Hopatcong Middle SchoolD+
Middle · Grades 6–8 · 4.1 mi

District: Hopatcong Borough School District

Neighborhood · ZIP 07821These 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.69
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.92

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.3%
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.11,080
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.246 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$129,971
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$159,119
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.50 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

45 Isabelle 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 less than 92% of homes in Andover 07821
  • Costs less per square foot than 67% of homes in Andover 07821
  • Smaller than 87% of homes in Andover 07821
  • Has a smaller lot than 66% of homes in Andover 07821

What homes are worth in Andover 07821

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

This home
$167K$1M

This home is worth more than 8% of homes in Andover 07821.

How it measures up in Andover 07821

The dot is this home. The mark in the middle is the typical home in Andover 07821.

Estimated value$255,470
CheaperTypical $484,160Pricier

Pricier than 8% of homes nearby

Price per ft²$250
CheaperTypical $275Pricier

Pricier than 33% of homes nearby

Living area1,021 ft²
SmallerTypical 1,856 ft²Bigger

Bigger than 13% of homes nearby

Lot size0.34 ac
SmallerTypical 0.5 acBigger

Bigger than 34% of homes nearby

How 45 Isabelle Ave ranks against every home in each area.
MeasureThis homeAndover 07821Sussex County
Estimated valuepricier than$255,4708% of homes10% of homes
Price per ft²pricier than$25033% of homes33% of homes
Living areabigger than1,021 ft²13% of homes17% of homes
Lot sizebigger than0.34 ac34% of homes47% of homes

About 45 Isabelle Ave

How much is 45 Isabelle Ave, Andover, NJ worth?

The TopHap Estimate for 45 Isabelle Ave, Andover, NJ is $255,470 as of Oct 21, 2026. The likely range is $218,603 to $292,337. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 45 Isabelle Ave, Andover, NJ last sell?

45 Isabelle Ave, Andover, NJ last sold on Feb 10, 2004 for $47,500, according to the county's recorded deed.

How big is 45 Isabelle Ave, Andover, NJ?

45 Isabelle Ave, Andover, NJ has 1,021 square feet of living space and a 0.34-acre lot.

What schools serve 45 Isabelle Ave, Andover, NJ?

45 Isabelle Ave, Andover, 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 45 Isabelle Ave, Andover, NJ compare to other homes in Andover 07821?

Among the 3,740 homes in Andover 07821, it is worth more than 8% of them ($255,470 against a typical $484,160), its price per square foot is higher than 33% of them ($250 against a typical $275), it is bigger than 13% of them (1,021 ft² against a typical 1,856 ft²) and its lot is bigger than 34% of them (0.34 ac against a typical 0.5 ac). Measured against all of Sussex County, it is worth more than 10% 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 45 Isabelle Ave, Andover, NJ?

The 2025 property tax bill for 45 Isabelle Ave, Andover, NJ was $4,180. The county assessed it at $188,800.

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Assigned schools

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