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Single Family ResidenceResidential
$1,223,436$385 / 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 93How 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 $1,060,000 on Sep 14, 2023

21 HORIZON DR

MENDHAM, NJ 07945
0
Baths
3,181 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.
3.04 ac
Lot SizeThe size of the land the home sits on, from county records.
1971
Year BuiltThe year the home was originally built, according to county records.

Valuation

$1.2M
$1.1M low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,060,000 · Sep 14, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$18,651 (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.$1,122,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$476,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$646,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,037,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,122,100

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.45
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
64
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.
43
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
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.

H
West Morris Mendham High SchoolA-
High · Grades 9–12 · 1.2 mi
E
Mendham Township Elementary SchoolA+
Elementary · Grades PK–4 · 1.6 mi
M
Mendham Township Middle SchoolA+
Middle · Grades 5–8 · 2.6 mi

District: Mendham Township School District

Neighborhood · ZIP 07945These 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.88
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 100.101

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.41%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.1%
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.10,295
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.510 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$212,259
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$270,274
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.53 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 Horizon 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 more than 88% of homes in Morris County
  • Bigger than 86% of homes in Morris County
  • Has a bigger lot than 97% of homes in Morris County

What homes are worth in Mendham 07945

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

This home
$502K$2.6M

This home is worth more than 60% of homes in Mendham 07945.

How it measures up in Mendham 07945

The dot is this home. The mark in the middle is the typical home in Mendham 07945.

Estimated value$1,223,436
CheaperTypical $1,109,724Pricier

Pricier than 60% of homes nearby

Price per ft²$385
CheaperTypical $395Pricier

Pricier than 43% of homes nearby

Living area3,181 ft²
SmallerTypical 2,808 ft²Bigger

Bigger than 59% of homes nearby

Lot size3.04 ac
SmallerTypical 1.03 acBigger

Bigger than 81% of homes nearby

Year built1971
OlderTypical 1973Newer

Newer than 45% of homes nearby

How 21 Horizon Dr ranks against every home in each area.
MeasureThis homeMendham 07945Morris County
Estimated valuepricier than$1,223,43660% of homes88% of homes
Price per ft²pricier than$38543% of homes59% of homes
Living areabigger than3,181 ft²59% of homes86% of homes
Lot sizebigger than3.04 ac81% of homes97% of homes
Year builtnewer than197145% of homes56% of homes

About 21 Horizon Dr

How much is 21 Horizon Dr, Mendham, NJ worth?

The TopHap Estimate for 21 Horizon Dr, Mendham, NJ is $1,223,436 as of Oct 21, 2026. The likely range is $1,140,245 to $1,306,627. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Horizon Dr, Mendham, NJ last sell?

21 Horizon Dr, Mendham, NJ last sold on Sep 14, 2023 for $1,060,000, according to the county's recorded deed.

When was 21 Horizon Dr, Mendham, NJ built?

21 Horizon Dr, Mendham, NJ was built in 1971, making it 55 years old.

What schools serve 21 Horizon Dr, Mendham, NJ?

21 Horizon Dr, Mendham, NJ is assigned to West Morris Mendham High School (high), rated A-; Mendham Township Elementary School (elementary), rated A+; Mendham Township Middle School (middle), rated A+. All sit in Mendham Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Horizon Dr, Mendham, NJ compare to other homes in Mendham 07945?

Among the 3,209 homes in Mendham 07945, it is worth more than 60% of them ($1,223,436 against a typical $1,109,724), its price per square foot is higher than 43% of them ($385 against a typical $395), it is bigger than 59% of them (3,181 ft² against a typical 2,808 ft²), its lot is bigger than 81% of them (3.04 ac against a typical 1.03 ac) and it is newer than 45% of them (1971 against a typical 1973). Measured against all of Morris County, it is worth more than 88% 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 Horizon Dr, Mendham, NJ?

The 2024 property tax bill for 21 Horizon Dr, Mendham, NJ was $18,651. The county assessed it at $1,122,100.

More homes on Horizon Dr

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Assigned schools

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