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Single Family ResidenceResidential
$918,912$475 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jun 25, 2026
Last sold for $60,000 on Mar 5, 1985

12 PROSPECT ST

MENDHAM, NJ 07945
0
Baths
1,936 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.
0.46 ac
Lot SizeThe size of the land the home sits on, from county records.
1800
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$919K
$872K low$965K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$60,000 · Mar 5, 1985
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$668,912
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$535,130
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.27%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$250,000
JPMORGAN CHASE BANK NA · recorded Feb 21, 2007

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,699 (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.$516,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$316,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$199,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$516,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$516,200

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.0.46
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
Hilltop SchoolB+
Elementary · Grades PK–4 · 0.2 mi
M
Mountain View SchoolA
Middle · Grades 5–8 · 0.6 mi
H
West Morris Mendham High SchoolA+
High · Grades 9–12 · 0.7 mi

District: Mendham Borough 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.No

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

12 Prospect St 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 74% of homes in Mendham 07945
  • Costs more per square foot than 85% of homes in Mendham 07945
  • Smaller than 81% of homes in Mendham 07945
  • Has a smaller lot than 79% of homes in Mendham 07945
  • Among the oldest 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
$560K$2.7M

This home is worth more than 26% 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$918,912
CheaperTypical $1,115,719Pricier

Pricier than 26% of homes nearby

Price per ft²$475
CheaperTypical $397Pricier

Pricier than 85% of homes nearby

Living area1,936 ft²
SmallerTypical 2,794 ft²Bigger

Bigger than 19% of homes nearby

Lot size0.46 ac
SmallerTypical 1.03 acBigger

Bigger than 21% of homes nearby

Year built1800
OlderTypical 1973Newer

Older than almost all homes nearby

How 12 Prospect St ranks against every home in each area.
MeasureThis homeMendham 07945Morris County
Estimated valuepricier than$918,91226% of homes72% of homes
Price per ft²pricier than$47585% of homes84% of homes
Living areabigger than1,936 ft²19% of homes48% of homes
Lot sizebigger than0.46 ac21% of homes64% of homes
Year builtnewer than1800almost no homesalmost no homes

About 12 Prospect St

How much is 12 Prospect St, Mendham, NJ worth?

The TopHap Estimate for 12 Prospect St, Mendham, NJ is $918,912 as of Jun 25, 2026. The likely range is $872,340 to $965,484. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12 Prospect St, Mendham, NJ last sell?

12 Prospect St, Mendham, NJ last sold on Mar 5, 1985 for $60,000, according to the county's recorded deed.

How big is 12 Prospect St, Mendham, NJ?

12 Prospect St, Mendham, NJ has 1,936 square feet of living space and a 0.46-acre lot.

When was 12 Prospect St, Mendham, NJ built?

12 Prospect St, Mendham, NJ was built in 1800, making it 226 years old. The building has 1 story.

What schools serve 12 Prospect St, Mendham, NJ?

12 Prospect St, Mendham, NJ is assigned to Hilltop School (elementary), rated B+; Mountain View School (middle), rated A; West Morris Mendham High School (high), rated A+. All sit in Mendham Borough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12 Prospect St, Mendham, NJ compare to other homes in Mendham 07945?

Among the 3,208 homes in Mendham 07945, it is worth more than 26% of them ($918,912 against a typical $1,115,719), its price per square foot is higher than 85% of them ($475 against a typical $397), it is bigger than 19% of them (1,936 ft² against a typical 2,794 ft²), its lot is bigger than 21% of them (0.46 ac against a typical 1.03 ac) and it is newer than almost none of them (1800 against a typical 1973). Measured against all of Morris County, it is worth more than 72% 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 12 Prospect St, Mendham, NJ?

The 2024 property tax bill for 12 Prospect St, Mendham, NJ was $12,699. The county assessed it at $516,200.

Closest homes

More homes in Mendham 07945

Assigned schools

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