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Single Family ResidenceResidential
$921,622$528 / 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 Sep 24, 2026

21 KEYES ST

FLORHAM PARK, NJ 07932
0
Baths
1,747 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.
0.35 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
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

$922K
$857K low$987K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,400 (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.$578,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$417,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$161,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$578,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$578,800

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.0.35
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
Briarwood School
Elementary · Grades PK–2 · 0.5 mi
M
Ridgedale Middle SchoolB
Middle · Grades 6–8 · 0.7 mi
H
Hanover Park High SchoolA-
High · Grades 9–12 · 1.7 mi

District: Hanover Park Regional School District

Neighborhood · ZIP 07932These 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.91
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.104

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.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.12,294
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,731 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$141,397
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$167,986
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.51 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 Keyes 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 more than 73% of homes in Morris County
  • Costs more per square foot than 90% of homes in Morris County
  • Smaller than 70% of homes in Florham Park 07932
  • Older than 73% of homes in Florham Park 07932

What homes are worth in Florham Park 07932

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

This home
$494K$2.4M

This home is worth more than 35% of homes in Florham Park 07932.

How it measures up in Florham Park 07932

The dot is this home. The mark in the middle is the typical home in Florham Park 07932.

Estimated value$921,622
CheaperTypical $1,048,679Pricier

Pricier than 35% of homes nearby

Price per ft²$528
CheaperTypical $456Pricier

Pricier than 73% of homes nearby

Living area1,747 ft²
SmallerTypical 2,202 ft²Bigger

Bigger than 30% of homes nearby

Lot size0.35 ac
SmallerTypical 0.34 acBigger

Bigger than 52% of homes nearby

Year built1956
OlderTypical 1978Newer

Newer than 27% of homes nearby

How 21 Keyes St ranks against every home in each area.
MeasureThis homeFlorham Park 07932Morris County
Estimated valuepricier than$921,62235% of homes73% of homes
Price per ft²pricier than$52873% of homes90% of homes
Living areabigger than1,747 ft²30% of homes38% of homes
Lot sizebigger than0.35 ac52% of homes52% of homes
Year builtnewer than195627% of homes33% of homes

About 21 Keyes St

How much is 21 Keyes St, Florham Park, NJ worth?

The TopHap Estimate for 21 Keyes St, Florham Park, NJ is $921,622 as of Sep 24, 2026. The likely range is $856,555 to $986,689. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Keyes St, Florham Park, NJ last sell?

21 Keyes St, Florham Park, NJ last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Keyes St, Florham Park, NJ?

21 Keyes St, Florham Park, NJ has 1,747 square feet of living space and a 0.35-acre lot.

When was 21 Keyes St, Florham Park, NJ built?

21 Keyes St, Florham Park, NJ was built in 1956, making it 70 years old. The building has 1 story.

What schools serve 21 Keyes St, Florham Park, NJ?

21 Keyes St, Florham Park, NJ is assigned to Briarwood School (elementary); Ridgedale Middle School (middle), rated B; Hanover Park High School (high), rated A-. All sit in Hanover Park Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Keyes St, Florham Park, NJ compare to other homes in Florham Park 07932?

Among the 3,615 homes in Florham Park 07932, it is worth more than 35% of them ($921,622 against a typical $1,048,679), its price per square foot is higher than 73% of them ($528 against a typical $456), it is bigger than 30% of them (1,747 ft² against a typical 2,202 ft²), its lot is bigger than 52% of them (0.35 ac against a typical 0.34 ac) and it is newer than 27% of them (1956 against a typical 1978). Measured against all of Morris County, it is worth more than 73% 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 Keyes St, Florham Park, NJ?

The 2024 property tax bill for 21 Keyes St, Florham Park, NJ was $9,400. The county assessed it at $578,800.

More homes on Keyes St

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