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Single Family ResidenceResidential
$3,197,580$1,714 / 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 77How 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 $1,768,000 on Aug 8, 1991

4 SUNNYSIDE LN

WESTPORT, CT 06880
4
Beds
3
Baths
1,866 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.
1956
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$3.2M
$2.4M low$3.9M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,768,000 · Aug 8, 1991

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,750 (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.$623,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$453,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$169,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$623,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$436,100

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.Split Level
CountyWESTERN CONNECTICUT
Lot (acres)The size of the land the home sits on, from county records.1.01
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
FireplaceWhether the home has a fireplace, and what kind.Yes
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(5)

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
Coleytown Elementary SchoolA
Elementary · Grades KG–5 · 0.8 mi
H
Staples High SchoolA+
High · Grades 9–12 · 1.9 mi
M
Coleytown Middle SchoolA+
Middle · Grades 6–8 · 3.3 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

4 Sunnyside Ln 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 92% of homes in Western Connecticut County
  • Among the highest price per square foot in Western Connecticut County
  • Smaller than 89% of homes in Coleytown
  • Has a smaller lot than 81% of homes in Coleytown
  • Older than 68% of homes in Coleytown

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 75% 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$3,197,580
CheaperTypical $2,149,280Pricier

Pricier than 75% of homes nearby

Price per ft²$1714
CheaperTypical $726Pricier

Pricier than 98% of homes nearby

Living area1,866 ft²
SmallerTypical 2,910 ft²Bigger

Bigger than 23% of homes nearby

Lot size1.01 ac
SmallerTypical 1 acBigger

Bigger than 62% of homes nearby

Year built1956
OlderTypical 1965Newer

Newer than 37% of homes nearby

How 4 Sunnyside Ln ranks against every home in each area.
MeasureThis homeColeytownWestport 06880Western Connecticut County
Estimated valuepricier than$3,197,58077% of homes75% of homes92% of homes
Price per ft²pricier than$1714almost all homes98% of homesalmost all homes
Living areabigger than1,866 ft²11% of homes23% of homes47% of homes
Lot sizebigger than1.01 ac19% of homes62% of homes63% of homes
Year builtnewer than195632% of homes37% of homes33% of homes

About 4 Sunnyside Ln

How much is 4 Sunnyside Ln, Westport, CT worth?

The TopHap Estimate for 4 Sunnyside Ln, Westport, CT is $3,197,580 as of Oct 21, 2026. The likely range is $2,447,484 to $3,947,676. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 Sunnyside Ln, Westport, CT last sell?

4 Sunnyside Ln, Westport, CT last sold on Aug 8, 1991 for $1,768,000, according to the county's recorded deed.

How big is 4 Sunnyside Ln, Westport, CT?

4 Sunnyside Ln, Westport, CT has 4 bedrooms, 3 bathrooms, 1,866 square feet of living space and a 1.01-acre lot.

When was 4 Sunnyside Ln, Westport, CT built?

4 Sunnyside Ln, Westport, CT was built in 1956, making it 70 years old. It is a split level home. The building has 1 story.

What schools serve 4 Sunnyside Ln, Westport, CT?

4 Sunnyside Ln, Westport, CT is assigned to Coleytown Elementary School (elementary), rated A; Staples High School (high), rated A+; Coleytown Middle School (middle), rated A+. All sit in Westport School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4 Sunnyside Ln, Westport, CT compare to other homes in Westport 06880?

Among the 9,793 homes in Westport 06880, it is worth more than 75% of them ($3,197,580 against a typical $2,149,280), its price per square foot is higher than 98% of them ($1714 against a typical $726), it is bigger than 23% of them (1,866 ft² against a typical 2,910 ft²), its lot is bigger than 62% of them (1.01 ac against a typical 1 ac) and it is newer than 37% of them (1956 against a typical 1965). Measured against all of Western Connecticut County, it is worth more than 92% 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 4 Sunnyside Ln, Westport, CT?

The 2025 property tax bill for 4 Sunnyside Ln, Westport, CT was $11,750. The county assessed it at $623,000.

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