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Single Family ResidenceResidential
$434,476$497 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $135,000 on Feb 1, 2002

21 DIAMOND DR

LAKE HOPATCONG, NJ 07849
0
Baths
874 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.
0.25 ac
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

$434K
$394K low$475K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$135,000 · Feb 1, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,869 (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.$228,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$99,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$129,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$228,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$228,800

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.13 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
Lot (acres)The size of the land the home sits on, from county records.0.25
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

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Ellen T. Briggs Elementary School
Elementary · Grades KG–2 · 0.7 mi
M
Jefferson Township Middle SchoolB+
Middle · Grades 6–8 · 4.7 mi
H
Jefferson Township High SchoolC-
High · Grades 9–12 · 4.8 mi

District: Jefferson Township School District

Neighborhood · ZIP 07849These 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.157
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 100.93

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.27%
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.1.2%
PopulationHow many people live in this area.8,271
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.902 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$121,531
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$141,059
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 Diamond Dr 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 91% of homes in Morris County
  • Costs more per square foot than 89% of homes in Lake Hopatcong 07849
  • Smaller than 96% of homes in Morris County
  • Older than 87% of homes in Lake Hopatcong 07849

What homes are worth in Lake Hopatcong 07849

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

This home
$225K$1.2M

This home is worth more than 29% of homes in Lake Hopatcong 07849.

How it measures up in Lake Hopatcong 07849

The dot is this home. The mark in the middle is the typical home in Lake Hopatcong 07849.

Estimated value$434,476
CheaperTypical $525,940Pricier

Pricier than 29% of homes nearby

Price per ft²$497
CheaperTypical $330Pricier

Pricier than 89% of homes nearby

Living area874 ft²
SmallerTypical 1,620 ft²Bigger

Bigger than 13% of homes nearby

Lot size0.25 ac
SmallerTypical 0.26 acBigger

Bigger than 47% of homes nearby

Year built1940
OlderTypical 1960Newer

Newer than 13% of homes nearby

How 21 Diamond Dr ranks against every home in each area.
MeasureThis homeLake Hopatcong 07849Morris County
Estimated valuepricier than$434,47629% of homes9% of homes
Price per ft²pricier than$49789% of homes87% of homes
Living areabigger than874 ft²13% of homes4% of homes
Lot sizebigger than0.25 ac47% of homes38% of homes
Year builtnewer than194013% of homes16% of homes

About 21 Diamond Dr

How much is 21 Diamond Dr, Lake Hopatcong, NJ worth?

The TopHap Estimate for 21 Diamond Dr, Lake Hopatcong, NJ is $434,476 as of Aug 30, 2026. The likely range is $393,890 to $475,062. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Diamond Dr, Lake Hopatcong, NJ last sell?

21 Diamond Dr, Lake Hopatcong, NJ last sold on Feb 1, 2002 for $135,000, according to the county's recorded deed.

How big is 21 Diamond Dr, Lake Hopatcong, NJ?

21 Diamond Dr, Lake Hopatcong, NJ has 874 square feet of living space and a 0.25-acre lot.

When was 21 Diamond Dr, Lake Hopatcong, NJ built?

21 Diamond Dr, Lake Hopatcong, NJ was built in 1940, making it 86 years old. The building has 1 story.

What schools serve 21 Diamond Dr, Lake Hopatcong, NJ?

21 Diamond Dr, Lake Hopatcong, NJ is assigned to Ellen T. Briggs Elementary School (elementary); Jefferson Township Middle School (middle), rated B+; Jefferson Township High School (high), rated C-. All sit in Jefferson Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Diamond Dr, Lake Hopatcong, NJ compare to other homes in Lake Hopatcong 07849?

Among the 3,369 homes in Lake Hopatcong 07849, it is worth more than 29% of them ($434,476 against a typical $525,940), its price per square foot is higher than 89% of them ($497 against a typical $330), it is bigger than 13% of them (874 ft² against a typical 1,620 ft²), its lot is bigger than 47% of them (0.25 ac against a typical 0.26 ac) and it is newer than 13% of them (1940 against a typical 1960). Measured against all of Morris County, it is worth more than 9% 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 Diamond Dr, Lake Hopatcong, NJ?

The 2024 property tax bill for 21 Diamond Dr, Lake Hopatcong, NJ was $6,869. The county assessed it at $228,800.

More homes on Diamond Dr

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Assigned schools

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