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Single Family ResidenceResidential
$5,675,888$825 / 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 Sep 24, 2026
Last sold for $1,300,000 on Nov 2, 1998

139 MAIN ST

SOUTHPORT, CT 06890
5
Beds
4.5
Baths
6,880 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.
1.51 ac
Lot SizeThe size of the land the home sits on, from county records.
1872
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
16
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$5.7M
$5.2M low$6.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,300,000 · Nov 2, 1998

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$66,082 (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.$2,327,640 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$943,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,384,040
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$2,327,640
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,629,348

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.Historical
CountyGREATER BRIDGEPORT
Lot (acres)The size of the land the home sits on, from county records.1.51
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Mill Hill SchoolA-
Elementary · Grades KG–5 · 0.7 mi
H
Fairfield Ludlowe High SchoolA+
High · Grades 9–12 · 1.4 mi
M
Roger Ludlowe Middle SchoolA
Middle · Grades 6–8 · 1.4 mi

District: Fairfield School District

Neighborhood · ZIP 06890These 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.108
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 100.81

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.40%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.5,676
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,574 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$207,213
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$291,006
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

139 Main St 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.

  • Among the most valuable homes in Greater Bridgeport County
  • Costs more per square foot than 98% of homes in Greater Bridgeport County
  • Among the largest homes in Greater Bridgeport County
  • Has a bigger lot than 91% of homes in Greater Bridgeport County
  • Among the oldest homes in Greater Bridgeport County

What homes are worth in Southport 06890

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

This home
$582K$5.7M

This home is worth more than 98% of homes in Southport 06890.

How it measures up in Southport 06890

The dot is this home. The mark in the middle is the typical home in Southport 06890.

Estimated value$5,675,888
CheaperTypical $1,624,084Pricier

Pricier than 98% of homes nearby

Price per ft²$825
CheaperTypical $625Pricier

Pricier than 87% of homes nearby

Living area6,880 ft²
SmallerTypical 2,507 ft²Bigger

Bigger than almost all homes nearby

Lot size1.51 ac
SmallerTypical 0.48 acBigger

Bigger than 90% of homes nearby

Year built1872
OlderTypical 1969Newer

Newer than 6% of homes nearby

How 139 Main St ranks against every home in each area.
MeasureThis homeSouthport 06890Greater Bridgeport County
Estimated valuepricier than$5,675,88898% of homesalmost all homes
Price per ft²pricier than$82587% of homes98% of homes
Living areabigger than6,880 ft²almost all homesalmost all homes
Lot sizebigger than1.51 ac90% of homes91% of homes
Year builtnewer than18726% of homesalmost no homes

About 139 Main St

How much is 139 Main St, Southport, CT worth?

The TopHap Estimate for 139 Main St, Southport, CT is $5,675,888 as of Sep 24, 2026. The likely range is $5,187,224 to $6,164,552. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 139 Main St, Southport, CT last sell?

139 Main St, Southport, CT last sold on Nov 2, 1998 for $1,300,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 139 Main St, Southport, CT?

139 Main St, Southport, CT has 5 bedrooms, 4.5 bathrooms, 6,880 square feet of living space and a 1.51-acre lot.

When was 139 Main St, Southport, CT built?

139 Main St, Southport, CT was built in 1872, making it 154 years old. It is a historical home. The building has 3 stories.

What schools serve 139 Main St, Southport, CT?

139 Main St, Southport, CT is assigned to Mill Hill School (elementary), rated A-; Fairfield Ludlowe High School (high), rated A+; Roger Ludlowe Middle School (middle), rated A. All sit in Fairfield School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 139 Main St, Southport, CT compare to other homes in Southport 06890?

Among the 1,675 homes in Southport 06890, it is worth more than 98% of them ($5,675,888 against a typical $1,624,084), its price per square foot is higher than 87% of them ($825 against a typical $625), it is bigger than almost all of them (6,880 ft² against a typical 2,507 ft²), its lot is bigger than 90% of them (1.51 ac against a typical 0.48 ac) and it is newer than 6% of them (1872 against a typical 1969). Measured against all of Greater Bridgeport County, it is worth more than almost all 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 139 Main St, Southport, CT?

The 2025 property tax bill for 139 Main St, Southport, CT was $66,082. The county assessed it at $2,327,640.

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