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Single Family ResidenceResidential
$2,551,678$528 / 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 91How 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 $1,291,875 on May 28, 2019

41 TREADWELL AVE

WESTPORT, CT 06880
5
Beds
4.5
Baths
4,837 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.
0.97 ac
Lot SizeThe size of the land the home sits on, from county records.
1933
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$2.6M
$2.3M low$2.8M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,291,875 · May 28, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$21,844 (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.$1,158,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$375,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$782,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,112,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$810,740

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.0.97
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
PoolWhether the property has a pool, and what kind, such as in-ground.Spa/Hot Tub (Only)

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
King's Highway Elementary SchoolA+
Elementary · Grades KG–5 · 1.0 mi
M
Coleytown Middle SchoolA+
Middle · Grades 6–8 · 1.3 mi
H
Staples High SchoolA+
High · Grades 9–12 · 3.4 mi

District: Westport School District

Neighborhood · ZIP 06880These 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.94
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.82

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.30,681
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,183 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$219,182
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$324,431
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.49 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

41 Treadwell 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 more than 89% of homes in Western Connecticut County
  • Costs less per square foot than 97% of homes in Saugatuck
  • Bigger than 94% of homes in Western Connecticut County
  • Has a bigger lot than 78% of homes in Saugatuck
  • Older than 86% of homes in Westport 06880

What homes are worth in Westport 06880

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

This home
$590K$7M

This home is worth more than 63% of homes in Westport 06880.

How it measures up in Westport 06880

The dot is this home. The mark in the middle is the typical home in Westport 06880.

Estimated value$2,551,678
CheaperTypical $2,149,280Pricier

Pricier than 63% of homes nearby

Price per ft²$528
CheaperTypical $726Pricier

Pricier than 10% of homes nearby

Living area4,837 ft²
SmallerTypical 2,910 ft²Bigger

Bigger than 82% of homes nearby

Lot size0.97 ac
SmallerTypical 1 acBigger

Bigger than 49% of homes nearby

Year built1933
OlderTypical 1965Newer

Newer than 14% of homes nearby

How 41 Treadwell Ave ranks against every home in each area.
MeasureThis homeSaugatuckWestport 06880Western Connecticut County
Estimated valuepricier than$2,551,67848% of homes63% of homes89% of homes
Price per ft²pricier than$5283% of homes10% of homes70% of homes
Living areabigger than4,837 ft²86% of homes82% of homes94% of homes
Lot sizebigger than0.97 ac78% of homes49% of homes56% of homes
Year builtnewer than193315% of homes14% of homes15% of homes

About 41 Treadwell Ave

How much is 41 Treadwell Ave, Westport, CT worth?

The TopHap Estimate for 41 Treadwell Ave, Westport, CT is $2,551,678 as of Oct 21, 2026. The likely range is $2,316,114 to $2,787,242. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 41 Treadwell Ave, Westport, CT last sell?

41 Treadwell Ave, Westport, CT last sold on May 28, 2019 for $1,291,875, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 41 Treadwell Ave, Westport, CT?

41 Treadwell Ave, Westport, CT has 5 bedrooms, 4.5 bathrooms, 4,837 square feet of living space and a 0.97-acre lot.

When was 41 Treadwell Ave, Westport, CT built?

41 Treadwell Ave, Westport, CT was built in 1933, making it 93 years old. It is a colonial home. The building has 3 stories.

What schools serve 41 Treadwell Ave, Westport, CT?

41 Treadwell Ave, Westport, CT is assigned to King's Highway Elementary School (elementary), rated A+; Coleytown Middle School (middle), rated A+; Staples High School (high), rated A+. All sit in Westport School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 41 Treadwell Ave, Westport, CT compare to other homes in Westport 06880?

Among the 9,793 homes in Westport 06880, it is worth more than 63% of them ($2,551,678 against a typical $2,149,280), its price per square foot is higher than 10% of them ($528 against a typical $726), it is bigger than 82% of them (4,837 ft² against a typical 2,910 ft²), its lot is bigger than 49% of them (0.97 ac against a typical 1 ac) and it is newer than 14% of them (1933 against a typical 1965). Measured against all of Western Connecticut County, it is worth more than 89% 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 41 Treadwell Ave, Westport, CT?

The 2025 property tax bill for 41 Treadwell Ave, Westport, CT was $21,844. The county assessed it at $1,158,200.

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