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Single Family ResidenceResidential
$1,113,280$338 / 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 Sep 24, 2026
Last sold for $439,900 on Jul 12, 1994

18 CROMWELL DR

MENDHAM, NJ 07945
0
Baths
3,289 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.
1.58 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.1M
$1M 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.$439,900 · Jul 12, 1994

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$18,198 (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.$642,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$245,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$397,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$642,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$642,800

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMORRIS
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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.

Foreclosure Filings(1)

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

E
Ironia SchoolB-
Elementary · Grades KG–5 · 1.8 mi
H
Randolph High SchoolB-
High · Grades 9–12 · 4.0 mi
M
Randolph Middle SchoolB+
Middle · Grades 6–8 · 4.1 mi

District: Randolph 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

18 Cromwell 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 85% of homes in Morris County
  • Costs less per square foot than 81% of homes in Mendham 07945
  • Bigger than 87% of homes in Morris County
  • Has a bigger lot than 91% of homes in Morris County
  • Newer than 75% of homes in Mendham 07945

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
$522K$2.6M

This home is worth more than 50% 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$1,113,280
CheaperTypical $1,114,019Pricier

Pricier than 50% of homes nearby

Price per ft²$338
CheaperTypical $393Pricier

Pricier than 19% of homes nearby

Living area3,289 ft²
SmallerTypical 2,804 ft²Bigger

Bigger than 63% of homes nearby

Lot size1.58 ac
SmallerTypical 1.03 acBigger

Bigger than 66% of homes nearby

Year built1987
OlderTypical 1973Newer

Newer than 75% of homes nearby

How 18 Cromwell Dr ranks against every home in each area.
MeasureThis homeMendham 07945Morris County
Estimated valuepricier than$1,113,28050% of homes85% of homes
Price per ft²pricier than$33819% of homes36% of homes
Living areabigger than3,289 ft²63% of homes87% of homes
Lot sizebigger than1.58 ac66% of homes91% of homes
Year builtnewer than198775% of homes74% of homes

About 18 Cromwell Dr

How much is 18 Cromwell Dr, Mendham, NJ worth?

The TopHap Estimate for 18 Cromwell Dr, Mendham, NJ is $1,113,280 as of Sep 24, 2026. The likely range is $1,007,984 to $1,218,576. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Cromwell Dr, Mendham, NJ last sell?

18 Cromwell Dr, Mendham, NJ last sold on Jul 12, 1994 for $439,900, according to the county's recorded deed.

When was 18 Cromwell Dr, Mendham, NJ built?

18 Cromwell Dr, Mendham, NJ was built in 1987, making it 39 years old. The building has 2 stories.

What schools serve 18 Cromwell Dr, Mendham, NJ?

18 Cromwell Dr, Mendham, NJ is assigned to Ironia School (elementary), rated B-; Randolph High School (high), rated B-; Randolph Middle School (middle), rated B+. All sit in Randolph Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Cromwell Dr, Mendham, NJ compare to other homes in Mendham 07945?

Among the 3,209 homes in Mendham 07945, it is worth more than 50% of them ($1,113,280 against a typical $1,114,019), its price per square foot is higher than 19% of them ($338 against a typical $393), it is bigger than 63% of them (3,289 ft² against a typical 2,804 ft²), its lot is bigger than 66% of them (1.58 ac against a typical 1.03 ac) and it is newer than 75% of them (1987 against a typical 1973). Measured against all of Morris County, it is worth more than 85% 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 18 Cromwell Dr, Mendham, NJ?

The 2024 property tax bill for 18 Cromwell Dr, Mendham, NJ was $18,198. The county assessed it at $642,800.

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Assigned schools

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