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Single Family ResidenceResidential
$551,130$656 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

20 RIVERSIDE LN

MADISON, CT 06443
1
Beds
1
Baths
840 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1944
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$551K
$512K low$590K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$551,130
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$440,904

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,960 (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.$310,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$163,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$146,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$310,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$217,210

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.61
97
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
17
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.93%
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.Colonial
CountySOUTH CENTRAL CONNECTICUT
Lot (acres)The size of the land the home sits on, from county records.0.19
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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 · 1.6 mi
M
Walter C. Polson Middle SchoolA
Middle · Grades 6–8 · 1.8 mi
E
J. Milton Jeffery Elementary SchoolA+
Elementary · Grades KG–3 · 1.9 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

20 Riverside 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 less than 82% of homes in Madison 06443
  • Among the highest price per square foot in South Central Connecticut County
  • Smaller than 98% of homes in Madison 06443
  • Has a smaller lot than 95% of homes in Madison 06443
  • Older than 87% 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
$369K$2.6M

This home is worth more than 18% 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$551,130
CheaperTypical $742,971Pricier

Pricier than 18% of homes nearby

Price per ft²$656
CheaperTypical $346Pricier

Pricier than 93% of homes nearby

Living area840 ft²
SmallerTypical 2,140 ft²Bigger

Bigger than 2% of homes nearby

Lot size0.19 ac
SmallerTypical 1.11 acBigger

Bigger than 5% of homes nearby

Year built1944
OlderTypical 1975Newer

Newer than 13% of homes nearby

How 20 Riverside Ln ranks against every home in each area.
MeasureThis homeMadison 06443South Central Connecticut County
Estimated valuepricier than$551,13018% of homes70% of homes
Price per ft²pricier than$65693% of homesalmost all homes
Living areabigger than840 ft²2% of homes5% of homes
Lot sizebigger than0.19 ac5% of homes30% of homes
Year builtnewer than194413% of homes27% of homes

About 20 Riverside Ln

How much is 20 Riverside Ln, Madison, CT worth?

The TopHap Estimate for 20 Riverside Ln, Madison, CT is $551,130 as of Jul 14, 2026. The likely range is $511,879 to $590,381. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Riverside Ln, Madison, CT last sell?

20 Riverside Ln, Madison, CT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 20 Riverside Ln, Madison, CT?

20 Riverside Ln, Madison, CT has 1 bedrooms, 1 bathrooms, 840 square feet of living space and a 0.19-acre lot.

When was 20 Riverside Ln, Madison, CT built?

20 Riverside Ln, Madison, CT was built in 1944, making it 82 years old. It is a colonial home. The building has 2 stories.

What schools serve 20 Riverside Ln, Madison, CT?

20 Riverside Ln, 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 20 Riverside Ln, Madison, CT compare to other homes in Madison 06443?

Among the 7,251 homes in Madison 06443, it is worth more than 18% of them ($551,130 against a typical $742,971), its price per square foot is higher than 93% of them ($656 against a typical $346), it is bigger than 2% of them (840 ft² against a typical 2,140 ft²), its lot is bigger than 5% of them (0.19 ac against a typical 1.11 ac) and it is newer than 13% of them (1944 against a typical 1975). Measured against all of South Central Connecticut County, it is worth more than 70% 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 20 Riverside Ln, Madison, CT?

The 2025 property tax bill for 20 Riverside Ln, Madison, CT was $6,960. The county assessed it at $310,300.

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Assigned schools

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