Skip to content
Skip to content
TopHapOpen in map
Apartments (Generic)Residential

3 NASSAU PL

COS COB, CT 06807
0
Baths
4,312 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.
0.72 ac
Lot SizeThe size of the land the home sits on, from county records.
1965
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,187 (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.$1,309,770 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$596,260
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$713,510
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,309,770
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$916,839

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.48
31
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
6
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
64
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
96
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.12 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.26%
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.Apartments (Generic)
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyWESTERN CONNECTICUT
Lot (acres)The size of the land the home sits on, from county records.0.72
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.No Garage
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(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.

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

E
Cos Cob SchoolB
Elementary · Grades KG–5 · 0.3 mi
M
Central Middle SchoolA-
Middle · Grades 6–8 · 0.8 mi
H
Greenwich High SchoolA+
High · Grades 9–12 · 1.1 mi

District: Greenwich School District

Neighborhood · ZIP 06807These 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.54
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.112
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.103

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.7,630
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,321 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$180,144
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$235,340
Average tempThe average temperature here across a full year.52°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.58%

Owner Tools

Do you own this home?
Claim this home

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

3 Nassau Pl 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.

  • Bigger than 91% of homes in Western Connecticut County
  • Has a bigger lot than 71% of homes in Cos Cob 06807

How it measures up in Cos Cob 06807

The dot is this home. The mark in the middle is the typical home in Cos Cob 06807.

Living area4,312 ft²
SmallerTypical 2,388 ft²Bigger

Bigger than 90% of homes nearby

Lot size0.72 ac
SmallerTypical 0.29 acBigger

Bigger than 71% of homes nearby

Year built1965
OlderTypical 1964Newer

Newer than 54% of homes nearby

How 3 Nassau Pl ranks against every home in each area.
MeasureThis homeCos Cob 06807Western Connecticut County
Living areabigger than4,312 ft²90% of homes91% of homes
Lot sizebigger than0.72 ac71% of homes51% of homes
Year builtnewer than196554% of homes47% of homes

About 3 Nassau Pl

When did 3 Nassau Pl, Cos Cob, CT last sell?

3 Nassau Pl, Cos Cob, CT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3 Nassau Pl, Cos Cob, CT?

3 Nassau Pl, Cos Cob, CT has 4,312 square feet of living space and a 0.72-acre lot.

When was 3 Nassau Pl, Cos Cob, CT built?

3 Nassau Pl, Cos Cob, CT was built in 1965, making it 61 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 3 Nassau Pl, Cos Cob, CT?

3 Nassau Pl, Cos Cob, CT is assigned to Cos Cob School (elementary), rated B; Central 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 3 Nassau Pl, Cos Cob, CT compare to other homes in Cos Cob 06807?

Among the 2,396 homes in Cos Cob 06807, it is bigger than 90% of them (4,312 ft² against a typical 2,388 ft²), its lot is bigger than 71% of them (0.72 ac against a typical 0.29 ac) and it is newer than 54% of them (1965 against a typical 1964). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 3 Nassau Pl, Cos Cob, CT?

The 2025 property tax bill for 3 Nassau Pl, Cos Cob, CT was $16,187. The county assessed it at $1,309,770.

More homes on Nassau Pl

Closest homes

More homes in Cos Cob 06807

Assigned schools

Explore the area

See this home in context

Open 3 Nassau Pl on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map