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CondominiumResidential
$874,942$637 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $555,000 on Jul 11, 2019

98 VALLEY RD

COS COB, CT 06807
Building report
2
Beds
2.5
Baths
1,374 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.
2.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
1
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.

Valuation

$875K
$839K low$911K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$555,000 · Jul 11, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,573 (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.$450,940 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$450,940
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$450,940
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$315,658

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyWESTERN CONNECTICUT
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

Transaction History(9)

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 · 0.5 mi
M
Central Middle SchoolA
Middle · Grades 6–8 · 0.8 mi
H
Greenwich High SchoolA+
High · Grades 9–12 · 1.2 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%

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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

98 Valley Rd 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 94% of homes in Cos Cob 06807
  • Costs less per square foot than 80% of homes in Cos Cob 06807
  • Smaller than 89% of homes in Cos Cob 06807
  • Has a bigger lot than 92% of homes in Cos Cob 06807
  • Older than 85% of homes in Western Connecticut County

What homes are worth in Cos Cob 06807

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

This home
$683K$4.4M

This home is worth more than 6% 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.

Estimated value$874,942
CheaperTypical $1,775,910Pricier

Pricier than 6% of homes nearby

Price per ft²$637
CheaperTypical $756Pricier

Pricier than 20% of homes nearby

Living area1,374 ft²
SmallerTypical 2,388 ft²Bigger

Bigger than 11% of homes nearby

Lot size2.12 ac
SmallerTypical 0.31 acBigger

Bigger than 92% of homes nearby

Year built1930
OlderTypical 1964Newer

Newer than 25% of homes nearby

How 98 Valley Rd ranks against every home in each area.
MeasureThis homeCos Cob 06807Western Connecticut County
Estimated valuepricier than$874,9426% of homes56% of homes
Price per ft²pricier than$63720% of homes78% of homes
Living areabigger than1,374 ft²11% of homes27% of homes
Lot sizebigger than2.12 ac92% of homes87% of homes
Year builtnewer than193025% of homes15% of homes

About 98 Valley Rd

How much is 98 Valley Rd, Cos Cob, CT worth?

The TopHap Estimate for 98 Valley Rd, Cos Cob, CT is $874,942 as of Oct 21, 2026. The likely range is $838,921 to $910,963. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 98 Valley Rd, Cos Cob, CT last sell?

98 Valley Rd, Cos Cob, CT last sold on Jul 11, 2019 for $555,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 98 Valley Rd, Cos Cob, CT?

98 Valley Rd, Cos Cob, CT has 2 bedrooms, 2.5 bathrooms and 1,374 square feet of living space.

When was 98 Valley Rd, Cos Cob, CT built?

98 Valley Rd, Cos Cob, CT was built in 1930, making it 96 years old. It is a condo/apartment home. The building has 1 story.

What schools serve 98 Valley Rd, Cos Cob, CT?

98 Valley Rd, 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 98 Valley Rd, Cos Cob, CT compare to other homes in Cos Cob 06807?

Among the 2,396 homes in Cos Cob 06807, it is worth more than 6% of them ($874,942 against a typical $1,775,910), its price per square foot is higher than 20% of them ($637 against a typical $756), it is bigger than 11% of them (1,374 ft² against a typical 2,388 ft²), its lot is bigger than 92% of them (2.12 ac against a typical 0.31 ac) and it is newer than 25% of them (1930 against a typical 1964). Measured against all of Western Connecticut County, it is worth more than 56% 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 98 Valley Rd, Cos Cob, CT?

The 2025 property tax bill for 98 Valley Rd, Cos Cob, CT was $5,573. The county assessed it at $450,940.

More homes on Valley Rd

Closest homes

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Assigned schools

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