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Single Family ResidenceResidential
$381,247$328 / 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 $267,000 on Jul 6, 2022

100 KEYSTONE CT

EDISON, NJ 08817
0
Baths
1,164 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.
78 ft²
Lot SizeThe size of the land the home sits on, from county records.
1988
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$381K
$345K low$417K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$267,000 · Jul 6, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,094 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$85,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$20,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$65,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$85,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$85,600

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.52
56
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
68
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
92
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.20 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

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
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.00
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

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

E
Washington Elementary SchoolB-
Elementary · Grades KG–5 · 0.6 mi
H
Edison High SchoolC-
High · Grades 9–12 · 0.7 mi
M
Thomas Jefferson Middle SchoolC+
Middle · Grades 6–8 · 0.9 mi

District: Edison Township School District

Neighborhood · ZIP 08817These 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.95
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.47,582
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,526 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$101,780
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$123,592
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.49 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

100 Keystone Ct 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 96% of homes in South Central
  • Costs less per square foot than 90% of homes in South Central
  • Smaller than 80% of homes in Middlesex County
  • Has a smaller lot than 95% of homes in Edison 08817
  • Newer than 97% of homes in South Central

What homes are worth in Edison 08817

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

This home
$269K$1M

This home is worth more than 9% of homes in Edison 08817.

How it measures up in Edison 08817

The dot is this home. The mark in the middle is the typical home in Edison 08817.

Estimated value$381,247
CheaperTypical $546,897Pricier

Pricier than 9% of homes nearby

Price per ft²$328
CheaperTypical $394Pricier

Pricier than 17% of homes nearby

Living area1,164 ft²
SmallerTypical 1,316 ft²Bigger

Bigger than 40% of homes nearby

Lot size78 ft²
SmallerTypical 0.15 acBigger

Bigger than 5% of homes nearby

Year built1988
OlderTypical 1959Newer

Newer than 93% of homes nearby

How 100 Keystone Ct ranks against every home in each area.
MeasureThis homeSouth CentralEdison 08817Middlesex County
Estimated valuepricier than$381,2474% of homes9% of homes10% of homes
Price per ft²pricier than$32810% of homes17% of homes32% of homes
Living areabigger than1,164 ft²39% of homes40% of homes20% of homes
Lot sizebigger than78 ft²6% of homes5% of homes5% of homes
Year builtnewer than198897% of homes93% of homes75% of homes

About 100 Keystone Ct

How much is 100 Keystone Ct, Edison, NJ worth?

The TopHap Estimate for 100 Keystone Ct, Edison, NJ is $381,247 as of Sep 24, 2026. The likely range is $345,442 to $417,052. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 Keystone Ct, Edison, NJ last sell?

100 Keystone Ct, Edison, NJ last sold on Jul 6, 2022 for $267,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 100 Keystone Ct, Edison, NJ?

100 Keystone Ct, Edison, NJ has 1,164 square feet of living space and a 0.00-acre lot.

When was 100 Keystone Ct, Edison, NJ built?

100 Keystone Ct, Edison, NJ was built in 1988, making it 38 years old. It is a condo/apartment home. The building has 1 story.

What schools serve 100 Keystone Ct, Edison, NJ?

100 Keystone Ct, Edison, NJ is assigned to Washington Elementary School (elementary), rated B-; Edison High School (high), rated C-; Thomas Jefferson Middle School (middle), rated C+. All sit in Edison Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 100 Keystone Ct, Edison, NJ compare to other homes in Edison 08817?

Among the 10,930 homes in Edison 08817, it is worth more than 9% of them ($381,247 against a typical $546,897), its price per square foot is higher than 17% of them ($328 against a typical $394), it is bigger than 40% of them (1,164 ft² against a typical 1,316 ft²), its lot is bigger than 5% of them (78 ft² against a typical 0.15 ac) and it is newer than 93% of them (1988 against a typical 1959). Measured against all of Middlesex County, it is worth more than 10% 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 100 Keystone Ct, Edison, NJ?

The 2025 property tax bill for 100 Keystone Ct, Edison, NJ was $5,094. The county assessed it at $85,600.

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