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Single Family ResidenceResidential
$481,737$496 / 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 75How 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

103 HARBOR AVE

MADISON, CT 06443
2
Beds
1 / 1
Baths
972 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1949
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

$482K
$362K low$602K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,504 (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.$245,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$194,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$51,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$245,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$350,571

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.59
99
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
6
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
58
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
95
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
39
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.60 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.79%
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.1 percent flood zone

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.Cottage
CountySOUTH CENTRAL CONNECTICUT
Lot (acres)The size of the land the home sits on, from county records.0.21
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Baseboard
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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.

H
Daniel Hand High SchoolA
High · Grades 9–12 · 1.5 mi
M
Walter C. Polson Middle SchoolA+
Middle · Grades 6–8 · 1.7 mi
E
J. Milton Jeffery Elementary SchoolA+
Elementary · Grades KG–3 · 1.7 mi

District: Madison School District

Neighborhood · ZIP 06443These 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.85
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.116
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.57

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.88%
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.2.5%
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.17,380
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.456 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$148,243
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$186,046
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.50 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

103 Harbor 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 less than 92% of homes in Madison 06443
  • Costs more per square foot than 97% of homes in South Central Connecticut County
  • Smaller than 97% of homes in Madison 06443
  • Has a smaller lot than 93% of homes in Madison 06443
  • Older than 84% of homes in Madison 06443

What homes are worth in Madison 06443

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

This home
$365K$2.7M

This home is worth more than 8% of homes in Madison 06443.

How it measures up in Madison 06443

The dot is this home. The mark in the middle is the typical home in Madison 06443.

Estimated value$481,737
CheaperTypical $747,820Pricier

Pricier than 8% of homes nearby

Price per ft²$496
CheaperTypical $348Pricier

Pricier than 84% of homes nearby

Living area972 ft²
SmallerTypical 2,140 ft²Bigger

Bigger than 3% of homes nearby

Lot size0.21 ac
SmallerTypical 1.11 acBigger

Bigger than 7% of homes nearby

Year built1949
OlderTypical 1975Newer

Newer than 16% of homes nearby

How 103 Harbor Ave ranks against every home in each area.
MeasureThis homeMadison 06443South Central Connecticut County
Estimated valuepricier than$481,7378% of homes60% of homes
Price per ft²pricier than$49684% of homes97% of homes
Living areabigger than972 ft²3% of homes10% of homes
Lot sizebigger than0.21 ac7% of homes36% of homes
Year builtnewer than194916% of homes32% of homes

About 103 Harbor Ave

How much is 103 Harbor Ave, Madison, CT worth?

The TopHap Estimate for 103 Harbor Ave, Madison, CT is $481,737 as of Sep 24, 2026. The likely range is $361,636 to $601,838. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 103 Harbor Ave, Madison, CT last sell?

103 Harbor Ave, Madison, CT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 103 Harbor Ave, Madison, CT?

103 Harbor Ave, Madison, CT has 2 bedrooms, 1 bathrooms, 972 square feet of living space and a 0.21-acre lot.

When was 103 Harbor Ave, Madison, CT built?

103 Harbor Ave, Madison, CT was built in 1949, making it 77 years old. It is a cottage home. The building has 1 story.

What schools serve 103 Harbor Ave, Madison, CT?

103 Harbor Ave, Madison, CT is assigned to Daniel Hand High School (high), rated A; Walter C. Polson Middle School (middle), rated A+; J. Milton Jeffery Elementary School (elementary), rated A+. All sit in Madison School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 103 Harbor Ave, Madison, CT compare to other homes in Madison 06443?

Among the 7,251 homes in Madison 06443, it is worth more than 8% of them ($481,737 against a typical $747,820), its price per square foot is higher than 84% of them ($496 against a typical $348), it is bigger than 3% of them (972 ft² against a typical 2,140 ft²), its lot is bigger than 7% of them (0.21 ac against a typical 1.11 ac) and it is newer than 16% of them (1949 against a typical 1975). Measured against all of South Central Connecticut County, it is worth more than 60% 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 103 Harbor Ave, Madison, CT?

The 2025 property tax bill for 103 Harbor Ave, Madison, CT was $5,504. The county assessed it at $245,400.

More homes on Harbor Ave

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Assigned schools

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