Single Family ResidenceResidential
Last sold for $749,900 on Sep 23, 2004
18 OSEE PL
COS COB, CT 06807
5
Beds
5.5
Baths
2,618 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
2006
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.
Valuation
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$749,900 · Sep 23, 2004
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,118 (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.$1,223,250 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$638,680
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$584,570
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,223,250
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$856,275
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.44
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
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.
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.Colonial
CountyWESTERN CONNECTICUT
Lot (acres)The size of the land the home sits on, from county records.0.19
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.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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.Foreclosure Filings(1)
Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
MEH
Central Middle SchoolA-
Middle · Grades 6–8 · 0.3 mi
Cos Cob SchoolB
Elementary · Grades KG–5 · 0.5 mi
Greenwich High SchoolA+
High · Grades 9–12 · 0.6 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
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How this home compares
18 Osee 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 68% of homes in Western Connecticut County
- Has a smaller lot than 85% of homes in Western Connecticut County
- Newer than 93% of homes in Western Connecticut County
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 area2,618 ft²
SmallerTypical 2,388 ft²Bigger
Bigger than 59% of homes nearby
Lot size0.19 ac
SmallerTypical 0.29 acBigger
Bigger than 24% of homes nearby
Year built2006
OlderTypical 1964Newer
Newer than 92% of homes nearby
| Measure | This home | Cos Cob 06807 | Western Connecticut County |
|---|---|---|---|
| Living areabigger than | 2,618 ft² | 59% of homes | 68% of homes |
| Lot sizebigger than | 0.19 ac | 24% of homes | 15% of homes |
| Year builtnewer than | 2006 | 92% of homes | 93% of homes |
About 18 Osee Pl
When did 18 Osee Pl, Cos Cob, CT last sell?
18 Osee Pl, Cos Cob, CT last sold on Sep 23, 2004 for $749,900, according to the county's recorded deed.
How big is 18 Osee Pl, Cos Cob, CT?
18 Osee Pl, Cos Cob, CT has 5 bedrooms, 5.5 bathrooms, 2,618 square feet of living space and a 0.19-acre lot.
When was 18 Osee Pl, Cos Cob, CT built?
18 Osee Pl, Cos Cob, CT was built in 2006, making it 20 years old. It is a colonial home. The building has 2 stories.
What schools serve 18 Osee Pl, Cos Cob, CT?
18 Osee Pl, Cos Cob, CT is assigned to Central Middle School (middle), rated A-; Cos Cob School (elementary), rated B; 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 18 Osee 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 59% of them (2,618 ft² against a typical 2,388 ft²), its lot is bigger than 24% of them (0.19 ac against a typical 0.29 ac) and it is newer than 92% of them (2006 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 18 Osee Pl, Cos Cob, CT?
The 2025 property tax bill for 18 Osee Pl, Cos Cob, CT was $15,118. The county assessed it at $1,223,250.
More homes on Osee Pl
- 12 Osee Pl$2.1M3 bd · 2.5 ba · 2,431 ft² · Sold $1.9M · May 2025
- 22 Osee Pl$1.1M2 bd · 1.5 ba · 1,235 ft² · Sold $1M · May 2025
- 14 Osee Pl$1.5M3 bd · 2 ba · 1,572 ft² · Sold $900K · Jun 2022
- 5 Osee Pl$2M4 bd · 2.5 ba · 2,211 ft² · Sold $1.2M · Nov 2020
- 7 Osee Pl$2.6M4 bd · 2.5 ba · 2,416 ft² · Sold $1.5M · May 2015
- 9 Osee Pl$2M4 bd · 2 ba · 2,009 ft² · Sold $1.3M · Mar 2015
- 8 Osee Pl$2.1M4 bd · 3 ba · 2,630 ft² · Sold $1.1M · Jul 2011
- 13 Osee Pl$2M4 bd · 2.5 ba · 2,268 ft² · Sold $885K · May 2004
- 10 Osee Pl$1.9M3 bd · 2.5 ba · 2,338 ft² · Sold $636K · Jun 2001
- 11 Osee Pl3 bd · 4 ba · 3,112 ft² · Sold $540K · Feb 2001
- 6 Osee Pl$2.2M4 bd · 3.5 ba · 2,367 ft² · Sold $598K · Nov 1998
- 20 Osee Pl$1.7M3 bd · 3 ba · 1,496 ft² · Sold $297K · Jul 1991
Closest homes
- 20 Osee Pl$1.7M81 ft · 3 bd · 3 ba · 1,496 ft² · Sold $297K · Jul 1991
- 14 Osee Pl$1.5M111 ft · 3 bd · 2 ba · 1,572 ft² · Sold $900K · Jun 2022
- 2 Bote Ct$2.1M128 ft · 4 bd · 3.5 ba · 2,763 ft² · Sold $958K · Mar 2005
- 13 Osee Pl$2M146 ft · 4 bd · 2.5 ba · 2,268 ft² · Sold $885K · May 2004
- 8 Bote Ct$1.8M181 ft · 4 bd · 3.5 ba · 2,091 ft² · Sold Jan 1900
- 11 Osee Pl202 ft · 3 bd · 4 ba · 3,112 ft² · Sold $540K · Feb 2001
- 67 Bote Rd$2.7M188 ft · 4 bd · 4 ba · 3,260 ft² · Sold $1.5M · May 2011
- 22 Osee Pl$1.1M178 ft · 2 bd · 1.5 ba · 1,235 ft² · Sold $1M · May 2025
More homes in Cos Cob 06807
- 86 Dandy Dr$2M4 bd · 3.5 ba · 3,546 ft² · Sold $1.9M · Aug 2026
- 12 Old Post Rd$2.1M4 bd · 2.5 ba · 3,034 ft² · Sold $2M · Aug 2026
- 15 River Rd$914K2 bd · 2 ba · 1,270 ft² · Sold $914K · Aug 2026
- 9 Walnut St0.52 ac · Sold $1.4M · Aug 2026
- 106 Orchard St$2.5M5 bd · 4.5 ba · 2,939 ft² · Sold $2.5M · Jul 2026
- 681 River Rd$2.6M4 bd · 4.5 ba · 3,826 ft² · Sold $2.4M · Jul 2026
- 500 River Rd$1.1M2 bd · 2 ba · 1,830 ft² · Sold $1.2M · Jul 2026
- 14 Pond Pl$2.7M3 bd · 2.5 ba · 2,082 ft² · Sold $3M · Jul 2026
- 441 Cognewaugh Rd$1.8M4 bd · 3 ba · 2,899 ft² · Sold $2M · Jul 2026
- 27 Cognewaugh Rd$3.8M4 bd · 5 ba · 4,916 ft² · Sold $4M · Jul 2026
- 50 Valleywood Rd$1.2M4 bd · 2 ba · 1,954 ft² · Sold $1.2M · Jul 2026
- 13 Field Rd4 bd · 2 ba · 1,662 ft² · Sold $1.5M · Jul 2026
Assigned schools
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