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Single Family ResidenceResidential
$1,200,243$617 / 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 76How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $300,000 on Dec 16, 2002

86 HAMILTON AVE

GREENWICH, CT 06830
3
Beds
1.5
Baths
1,944 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.
3,920 ft²
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.2M
$907K low$1.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$300,000 · Dec 16, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,367 (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.$434,280 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$308,630
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$125,650
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$434,280
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$303,996

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.43
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
8
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
65
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
94
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
49
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.Conventional
CountyWESTERN CONNECTICUT
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1950
Lot (acres)The size of the land the home sits on, from county records.0.09
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

Transaction History(4)

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
Hamilton Avenue SchoolB-
Elementary · Grades PK–5 · 0.3 mi
M
Western Middle SchoolA
Middle · Grades 6–8 · 0.9 mi
H
Greenwich High SchoolA+
High · Grades 9–12 · 1.8 mi

District: Greenwich School District

Neighborhood · ZIP 06830These 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.110
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.119
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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.27,704
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,501 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$168,325
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$273,728
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.50 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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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

86 Hamilton Ave 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 83% of homes in Greenwich 06830
  • Costs less per square foot than 90% of homes in Greenwich 06830
  • Smaller than 73% of homes in Greenwich 06830
  • Among the smallest lots in Western Connecticut County
  • Older than 95% of homes in Western Connecticut County

What homes are worth in Greenwich 06830

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

This home
$655K$10M

This home is worth more than 17% of homes in Greenwich 06830.

How it measures up in Greenwich 06830

The dot is this home. The mark in the middle is the typical home in Greenwich 06830.

Estimated value$1,200,243
CheaperTypical $3,027,272Pricier

Pricier than 17% of homes nearby

Price per ft²$617
CheaperTypical $916Pricier

Pricier than 10% of homes nearby

Living area1,944 ft²
SmallerTypical 2,904 ft²Bigger

Bigger than 27% of homes nearby

Lot size3,920 ft²
SmallerTypical 0.46 acBigger

Bigger than 2% of homes nearby

Year built1900
OlderTypical 1956Newer

Newer than 7% of homes nearby

How 86 Hamilton Ave ranks against every home in each area.
MeasureThis homeGreenwich 06830Western Connecticut County
Estimated valuepricier than$1,200,24317% of homes69% of homes
Price per ft²pricier than$61710% of homes78% of homes
Living areabigger than1,944 ft²27% of homes49% of homes
Lot sizebigger than3,920 ft²2% of homesalmost no homes
Year builtnewer than19007% of homes5% of homes

About 86 Hamilton Ave

How much is 86 Hamilton Ave, Greenwich, CT worth?

The TopHap Estimate for 86 Hamilton Ave, Greenwich, CT is $1,200,243 as of Aug 30, 2026. The likely range is $907,330 to $1,493,156. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 86 Hamilton Ave, Greenwich, CT last sell?

86 Hamilton Ave, Greenwich, CT last sold on Dec 16, 2002 for $300,000, according to the county's recorded deed.

How big is 86 Hamilton Ave, Greenwich, CT?

86 Hamilton Ave, Greenwich, CT has 3 bedrooms, 1.5 bathrooms, 1,944 square feet of living space and a 0.09-acre lot.

When was 86 Hamilton Ave, Greenwich, CT built?

86 Hamilton Ave, Greenwich, CT was built in 1900, making it 126 years old. It is a conventional home. The building has 2 stories.

What schools serve 86 Hamilton Ave, Greenwich, CT?

86 Hamilton Ave, Greenwich, CT is assigned to Hamilton Avenue School (elementary), rated B-; Western Middle School (middle), rated A; Greenwich High School (high), rated A+. All sit in Greenwich School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 86 Hamilton Ave, Greenwich, CT compare to other homes in Greenwich 06830?

Among the 6,738 homes in Greenwich 06830, it is worth more than 17% of them ($1,200,243 against a typical $3,027,272), its price per square foot is higher than 10% of them ($617 against a typical $916), it is bigger than 27% of them (1,944 ft² against a typical 2,904 ft²), its lot is bigger than 2% of them (3,920 ft² against a typical 0.46 ac) and it is newer than 7% of them (1900 against a typical 1956). Measured against all of Western Connecticut County, it is worth more than 69% 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 86 Hamilton Ave, Greenwich, CT?

The 2025 property tax bill for 86 Hamilton Ave, Greenwich, CT was $5,367. The county assessed it at $434,280.

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