Single Family ResidenceResidential
Last sold for $880,000 on Jun 18, 2012
21 MIMOSA DR
COS COB, CT 06807
5
Beds
6.5
Baths
5,748 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.
1.01 ac
Lot SizeThe size of the land the home sits on, from county records.
2013
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
12
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.$880,000 · Jun 18, 2012
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$26,093 (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.$2,111,270 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$770,770
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,340,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$2,111,270
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,477,889
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.
19
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
63
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.1.01
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.Central
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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.
EMH
North Mianus SchoolA
Elementary · Grades KG–5 · 1.0 mi
Eastern Middle SchoolA+
Middle · Grades 6–8 · 2.5 mi
Greenwich High SchoolA+
High · Grades 9–12 · 2.6 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
21 Mimosa Dr 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 98% of homes in Cos Cob 06807
- Has a bigger lot than 79% of homes in Cos Cob 06807
- Newer than 96% 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 area5,748 ft²
SmallerTypical 2,386 ft²Bigger
Bigger than 98% of homes nearby
Lot size1.01 ac
SmallerTypical 0.29 acBigger
Bigger than 79% of homes nearby
Year built2013
OlderTypical 1964Newer
Newer than 95% of homes nearby
| Measure | This home | Cos Cob 06807 | Western Connecticut County |
|---|---|---|---|
| Living areabigger than | 5,748 ft² | 98% of homes | 97% of homes |
| Lot sizebigger than | 1.01 ac | 79% of homes | 63% of homes |
| Year builtnewer than | 2013 | 95% of homes | 96% of homes |
About 21 Mimosa Dr
When did 21 Mimosa Dr, Cos Cob, CT last sell?
21 Mimosa Dr, Cos Cob, CT last sold on Jun 18, 2012 for $880,000, according to the county's recorded deed.
How big is 21 Mimosa Dr, Cos Cob, CT?
21 Mimosa Dr, Cos Cob, CT has 5 bedrooms, 6.5 bathrooms, 5,748 square feet of living space and a 1.01-acre lot.
When was 21 Mimosa Dr, Cos Cob, CT built?
21 Mimosa Dr, Cos Cob, CT was built in 2013, making it 13 years old. It is a colonial home. The building has 2 stories.
What schools serve 21 Mimosa Dr, Cos Cob, CT?
21 Mimosa Dr, Cos Cob, CT is assigned to North Mianus School (elementary), rated A; Eastern 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 21 Mimosa Dr, Cos Cob, CT compare to other homes in Cos Cob 06807?
Among the 2,396 homes in Cos Cob 06807, it is bigger than 98% of them (5,748 ft² against a typical 2,386 ft²), its lot is bigger than 79% of them (1.01 ac against a typical 0.29 ac) and it is newer than 95% of them (2013 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 21 Mimosa Dr, Cos Cob, CT?
The 2025 property tax bill for 21 Mimosa Dr, Cos Cob, CT was $26,093. The county assessed it at $2,111,270.
More homes on Mimosa Dr
- 61 Mimosa Dr$5.2M6 bd · 6 ba · 5,883 ft² · Sold $3.9M · May 2022
- 22 Mimosa Dr$4.7M6 bd · 6 ba · 5,614 ft² · Sold $2.9M · Jul 2019
- 32 Mimosa Dr$2.9M4 bd · 4.5 ba · 4,540 ft² · Sold $1.7M · May 2019
- 43 Mimosa Dr$2.7M4 bd · 3.5 ba · 2,488 ft² · Sold $1.5M · Jun 2018
- 27 Mimosa Dr$2.7M3 bd · 4 ba · 4,577 ft² · Sold $1.4M · Mar 2018
- 15 Mimosa Dr$3.1M4 bd · 3.5 ba · 4,378 ft² · Sold $2M · Dec 2017
- 5 Mimosa Dr$2.4M4 bd · 2.5 ba · 2,453 ft² · Sold $1.6M · Jun 2016
- 57 Mimosa Dr$4.5M6 bd · 7 ba · 5,465 ft² · Sold $2.9M · Sep 2014
- 18 Mimosa Dr$2.6M4 bd · 3.5 ba · 2,976 ft² · Sold $1.4M · May 2014
- 39 Mimosa Dr$2.5M4 bd · 4 ba · 3,095 ft² · Sold $1M · Sep 2012
- 42 Mimosa Dr$2.4M4 bd · 2.5 ba · 2,751 ft² · Sold May 2011
- 29 Mimosa Dr$2.7M4 bd · 3.5 ba · 3,516 ft² · Sold $1.7M · Aug 2007
Closest homes
- 25 Mimosa Dr$3.8M125 ft · 4 bd · 5.5 ba · 4,817 ft² · Sold $645K · Dec 1997
- 5 Daffodil Ln$2.7M208 ft · 4 bd · 3.5 ba · 3,623 ft² · Sold $1.7M · Nov 2017
- 12 Serenity Ln$2.3M286 ft · 4 bd · 2.5 ba · 2,574 ft² · Sold $1.4M · Oct 2014
- 15 Mimosa Dr$3.1M234 ft · 4 bd · 3.5 ba · 4,378 ft² · Sold $2M · Dec 2017
- 27 Mimosa Dr$2.7M248 ft · 3 bd · 4 ba · 4,577 ft² · Sold $1.4M · Mar 2018
- 9 Daffodil Ln$3M299 ft · 6 bd · 4 ba · 4,439 ft² · Sold $1.8M · Dec 2012
- 22 Mimosa Dr$4.7M402 ft · 6 bd · 6 ba · 5,614 ft² · Sold $2.9M · Jul 2019
- 24 Mimosa Dr$3.6M417 ft · 6 bd · 4.5 ba · 6,552 ft² · Sold $1.6M · May 2002
More homes in Cos Cob 06807
- 33 Mead Ave$2.7M4 bd · 4.5 ba · 3,492 ft² · Sold $2.7M · Aug 2026
- 51 Dandy Dr$3.3M4 bd · 3 ba · 3,543 ft² · Sold $3.3M · Aug 2026
- 9 Deluca Dr$2.4M4 bd · 3 ba · 2,620 ft² · Sold $2.4M · Aug 2026
- 4 Cos Cob Ave$1.5M4 bd · 3 ba · 2,720 ft² · Sold $1.5M · Aug 2026
- 86 Dandy Dr$1.9M4 bd · 3.5 ba · 3,546 ft² · Sold $1.9M · Aug 2026
- 12 Old Post Rd$2M4 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$2.5M4 bd · 4.5 ba · 3,826 ft² · Sold $2.4M · Jul 2026
- 500 River Rd$1.2M2 bd · 2 ba · 1,830 ft² · Sold $1.2M · Jul 2026
- 14 Pond Pl$3M3 bd · 2.5 ba · 2,082 ft² · Sold $3M · Jul 2026
Assigned schools
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