CondominiumResidential
15 Madison St
NORWALK, CT 06854
1968
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
Built 196890 units582–1,288 ft²
$24M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$268K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$280
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.
-32.6%vs the Norwalk ZIP median sale $/ft² ($415)
Sales Performance
$275K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
—
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
3
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
3.3%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+5.8%per yeartypical hold 6.7 yrsfrom 9 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
19902007201020142017201920222026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
19902007201020142017201920222026
41 arms-length sales on record for this building.
Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
Every unit: size vs estimated valueEvery unit in the building as one dot: across is its size, up is our current value estimate, and color is its bedroom count. Vertical columns of dots are recurring floor plans; the height spread within a column shows how much floor, view and condition move prices for the same layout.
1 bd2 bd3 bd4+ bd
1 bed
12 units$188K · $323/ft²
2 bed
33 units$257K · $290/ft²
3 bed
40 units$305K · $280/ft²
4 bed
5 units$316K · $246/ft²
Recurring floor plansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
3 bd · 1 ba · 1,092 ft²
38 units$305K · $280/ft²
2 bd · 1 ba · 884 ft²
31 units$257K · $290/ft²
1 bd · 1 ba · 582 ft²
12 units$188K · $323/ft²
4 bd · 2 ba · 1,288 ft²
4 units$314K · $244/ft²
2 bd · 2 ba · 884 ft²
2 units$283K · $320/ft²
3 bd · 2 ba · 1,092 ft²
2 units$292K · $267/ft²
One-off layouts
1 unit
Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.
$188K–$203K
12 units
$214K–$221K
4 units
$233K–$243K
4 units
$252K–$265K
23 units
$267K–$284K
8 units
$285K–$303K
8 units
$305K–$317K
29 units
$338K–$343K
2 units
Ownership & Financing
Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.92%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.2%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.126.8 yrs
Cash purchases (5 yrs)The share of purchases in the last 5 years with no mortgage recorded. High cash share is common in second-home and investor buildings.50%
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.34%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$256,831
Median tax billThe middle annual property tax bill among the building's units.$3,555
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.0
Recent SalesThe latest recorded arms-length sales in the building, newest first.
Unit C5Mar 24, 2026$250,000$229/ft²Unit G11Dec 31, 2025$275,000$311/ft²Unit F9Dec 15, 2025$305,000$279/ft²Unit B10Oct 3, 2022$230,000$211/ft²Unit F9Jun 10, 2022$250,000$229/ft²Unit F4Jan 6, 2022$120,000$206/ft²Unit H10Dec 9, 2020$185,000$169/ft²Unit A7Jan 9, 2020$70,000$120/ft²Unit D4Jan 7, 2020$140,000$128/ft²Unit D3Jan 2, 2020$140,000$128/ft²
Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.
Climate Risk
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.19 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.minimal
Scores 0–100; higher = greater projected risk.
Property Facts
Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyWESTERN CONNECTICUT
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1984
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No
Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
EHM
Brookside Elmentary SchoolD
Elementary · Grades KG–5 · 0.9 mi
McMahon High SchoolD+
High · Grades 9–12 · 1.0 mi
Roton Middle SchoolC+
Middle · Grades 6–8 · 1.6 mi
District: Norwalk School District
Neighborhood · ZIP 06854These 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.115
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 100.95
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.20%
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.32,225
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,999 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$81,188
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$112,350
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%
All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.
15 Madison St # A1
2 bd · 2 ba · 884 ft²
15 Madison St # B1
2 bd · 1 ba · 884 ft²
15 Madison St # C1
3 bd · 1 ba · 1,092 ft²
15 Madison St # D1
4 bd · 2 ba · 1,288 ft²
15 Madison St # E1
3 bd · 1 ba · 1,092 ft²
15 Madison St # F1
2 bd · 1 ba · 884 ft²
15 Madison St # G1
3 bd · 1 ba · 1,092 ft²
15 Madison St # H1
2 bd · 1 ba · 884 ft²
15 Madison St # I1
4 bd · 2 ba · 1,288 ft²
15 Madison St # A2
2 bd · 1 ba · 884 ft²
15 Madison St # B2
2 bd · 1 ba · 884 ft²
15 Madison St # C2
2 bd · 1 ba · 884 ft²
15 Madison St # D2
3 bd · 1 ba · 1,092 ft²
15 Madison St # E2
3 bd · 1 ba · 1,092 ft²
15 Madison St # F2
2 bd · 1 ba · 884 ft²
15 Madison St # G2
3 bd · 1 ba · 1,092 ft²
15 Madison St # H2
2 bd · 1 ba · 884 ft²
15 Madison St # I2
3 bd · 1 ba · 1,092 ft²
15 Madison St # A3
2 bd · 1 ba · 884 ft²
15 Madison St # B3
2 bd · 1 ba · 884 ft²
15 Madison St # C3
3 bd · 1 ba · 1,092 ft²
15 Madison St # D3
3 bd · 1 ba · 1,092 ft²
15 Madison St # E3
3 bd · 1 ba · 1,092 ft²
15 Madison St # F3
1 bd · 1 ba · 582 ft²
15 Madison St # G3
2 bd · 1 ba · 884 ft²
15 Madison St # H3
3 bd · 1 ba · 1,092 ft²
15 Madison St # I3
3 bd · 1 ba · 1,092 ft²
15 Madison St # A4
1 bd · 1 ba · 582 ft²
15 Madison St # B4
2 bd · 1 ba · 884 ft²
15 Madison St # C4
3 bd · 2 ba · 1,092 ft²
15 Madison St # D4
3 bd · 1 ba · 1,092 ft²
15 Madison St # E4
3 bd · 1 ba · 1,092 ft²
15 Madison St # F4
1 bd · 1 ba · 582 ft²
15 Madison St # G4
2 bd · 2 ba · 884 ft²
15 Madison St # H4
3 bd · 1 ba · 1,092 ft²
15 Madison St # I4
3 bd · 1 ba · 1,092 ft²
15 Madison St # A5
1 bd · 1 ba · 582 ft²
15 Madison St # B5
2 bd · 1 ba · 884 ft²
15 Madison St # C5
3 bd · 1 ba · 1,092 ft²
15 Madison St # D5
3 bd · 1 ba · 1,092 ft²
15 Madison St # F5
1 bd · 1 ba · 582 ft²
15 Madison St # G5
1 bd · 1 ba · 582 ft²
15 Madison St # H5
2 bd · 1 ba · 884 ft²
15 Madison St # I5
3 bd · 1 ba · 1,092 ft²
15 Madison St # A6
1 bd · 1 ba · 582 ft²
15 Madison St # B6
2 bd · 1 ba · 884 ft²
15 Madison St # C6
3 bd · 1 ba · 1,092 ft²
15 Madison St # D6
3 bd · 1 ba · 1,092 ft²
15 Madison St # F6
1 bd · 1 ba · 582 ft²
15 Madison St # G6
1 bd · 1 ba · 582 ft²
15 Madison St # H6
2 bd · 1 ba · 884 ft²
15 Madison St # I6
3 bd · 1 ba · 1,092 ft²
15 Madison St # A7
1 bd · 1 ba · 582 ft²
15 Madison St # B7
3 bd · 1 ba · 1,092 ft²
15 Madison St # C7
3 bd · 1 ba · 1,092 ft²
15 Madison St # D7
3 bd · 1 ba · 1,092 ft²
15 Madison St # F7
2 bd · 1 ba · 884 ft²
15 Madison St # G7
1 bd · 1 ba · 582 ft²
15 Madison St # H7
3 bd · 1 ba · 1,092 ft²
15 Madison St # I7
3 bd · 1 ba · 1,092 ft²
15 Madison St # A8
2 bd · 1 ba · 884 ft²
15 Madison St # B8
3 bd · 1 ba · 1,092 ft²
15 Madison St # C8
3 bd · 1 ba · 1,092 ft²
15 Madison St # D8
3 bd · 1 ba · 1,092 ft²
15 Madison St # F8
2 bd · 1 ba · 884 ft²
15 Madison St # G8
1 bd · 1 ba · 582 ft²
15 Madison St # H8
3 bd · 1 ba · 1,092 ft²
15 Madison St # I8
3 bd · 1 ba · 1,092 ft²
15 Madison St # A9
2 bd · 1 ba · 884 ft²
15 Madison St # B9
2 bd · 1 ba · 884 ft²
15 Madison St # C9
3 bd · 1 ba · 1,092 ft²
15 Madison St # D9
4 bd · 2 ba · 1,288 ft²
15 Madison St # F9
3 bd · 1 ba · 1,092 ft²
15 Madison St # G9
2 bd · 1 ba · 884 ft²
15 Madison St # H9
3 bd · 1 ba · 1,092 ft²
15 Madison St # I9
4 bd · 2 ba · 1,288 ft²
15 Madison St # A10
2 bd · 1 ba · 884 ft²
15 Madison St # B10
3 bd · 1 ba · 1,092 ft²
15 Madison St # C10
3 bd · 1 ba · 1,092 ft²
15 Madison St # F10
2 bd · 1 ba · 884 ft²
15 Madison St # G10
2 bd · 1 ba · 884 ft²
15 Madison St # H10
3 bd · 2 ba · 1,092 ft²
15 Madison St # A11
2 bd · 1 ba · 884 ft²
15 Madison St # C11
4 bd · 1.5 ba · 1,288 ft²
15 Madison St # F11
3 bd · 1 ba · 1,092 ft²
15 Madison St # G11
2 bd · 1 ba · 884 ft²
15 Madison St # A12
2 bd · 1 ba · 884 ft²
15 Madison St # G12
2 bd · 1 ba · 884 ft²
15 Madison St # A13
2 bd · 1 ba · 884 ft²
15 Madison St # A14
2 bd · 1 ba · 884 ft²
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
About 15 Madison St
How many units are in 15 Madison St, Norwalk, CT?
15 Madison St, Norwalk, CT has 90 residential units across built in 1968, according to county assessor records.
What is a unit at 15 Madison St, Norwalk, CT worth?
The median TopHap Estimate across the 90 units at 15 Madison St, Norwalk, CT is $267,746. That works out to $280 per square foot. Units run from 582 to 1,288 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 15 Madison St, Norwalk, CT expensive for Norwalk?
Units at 15 Madison St, Norwalk, CT carry a median of $280 per square foot, 33% below the Norwalk median of $415 per square foot.
How often do units sell at 15 Madison St, Norwalk, CT?
3 units at 15 Madison St, Norwalk, CT sold in the last 12 months, out of 41 recorded arms-length sales all time. That is a turnover rate of 3.3% of the building per year. The median sale over that period was $275K.
Have units at 15 Madison St, Norwalk, CT appreciated?
Across 9 repeat sales of the same unit, 15 Madison St, Norwalk, CT returned a median 5.8% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 6.7 years.
What floor plans does 15 Madison St, Norwalk, CT have?
The most common plan at 15 Madison St, Norwalk, CT is a 3-bedroom of 1,092 square feet, repeated 38 times, with a median estimate of $305,378. TopHap identifies 6 recurring plans in the building.
More homes on Madison St
- 15 Madison St # C5$256K3 bd · 1 ba · 1,092 ft² · Sold $250K · Mar 2026
- 15 Madison St # G11$285K2 bd · 1 ba · 884 ft² · Sold $275K · Dec 2025
- 15 Madison St # F9$317K3 bd · 1 ba · 1,092 ft² · Sold $305K · Dec 2025
- 15 Madison St # B10$316K3 bd · 1 ba · 1,092 ft² · Sold $230K · Oct 2022
- 15 Madison St # F4$198K1 bd · 1 ba · 582 ft² · Sold $120K · Jan 2022
- 15 Madison St # B4$257K2 bd · 1 ba · 884 ft² · Sold $775K · Dec 2020
- 15 Madison St # H10$286K3 bd · 2 ba · 1,092 ft² · Sold $185K · Dec 2020
- 15 Madison St # A7$188K1 bd · 1 ba · 582 ft² · Sold $70K · Jan 2020
- 15 Madison St # D4$300K3 bd · 1 ba · 1,092 ft² · Sold $140K · Jan 2020
- 15 Madison St # D3$296K3 bd · 1 ba · 1,092 ft² · Sold $140K · Jan 2020
- 15 Madison St # G10$252K2 bd · 1 ba · 884 ft² · Sold $143K · Nov 2019
- 15 Madison St # I6$292K3 bd · 1 ba · 1,092 ft² · Sold $127K · May 2019
Closest homes
- 15 Madison St$193K0 ft · 1 bd · 1 ba · 582 ft² · Sold $100K · Dec 2006
- 15 Madison St$305K0 ft · 3 bd · 1 ba · 1,092 ft² · Sold Jan 1900
- 15 Madison St$195K0 ft · 1 bd · 1 ba · 582 ft² · Sold $126K · Jan 2010
- 15 Madison St$257K0 ft · 2 bd · 1 ba · 884 ft² · Sold Jan 1900
- 15 Madison St$256K0 ft · 2 bd · 1 ba · 884 ft² · Sold $107K · Feb 2015
- 15 Madison St$268K0 ft · 2 bd · 1 ba · 884 ft² · Sold $135K · Nov 2012
- 15 Madison St$188K0 ft · 1 bd · 1 ba · 582 ft² · Sold Jan 1900
- 15 Madison St$188K0 ft · 1 bd · 1 ba · 582 ft² · Sold $70K · Jan 2020
More homes in Norwalk 06854
- 30 Possum Ln$1M2 bd · 1.5 ba · 944 ft² · Sold $275K · Oct 2026
- 16 Burwell St$1.2M4 bd · 2.5 ba · 2,371 ft² · Sold $1.4M · Oct 2026
- 20 Woodlawn Ave$697K2 bd · 1 ba · 962 ft² · Sold $750K · Oct 2026
- 89 Bouton St5 bd · 2 ba · 1,908 ft² · Sold $186K · Sep 2026
- 34 Deepwood Ln$375K3 bd · 2 ba · 1,596 ft² · Sold $450K · Sep 2026
- 8 Oakledge Cir$650K3 bd · 2 ba · 1,428 ft² · Sold $625K · Sep 2026
- 39 Scribner Ave$795K4 bd · 3.5 ba · 1,708 ft² · Sold $775K · Sep 2026
- 37 Cedar Crest Pl$550K2 bd · 1 ba · 720 ft² · Sold $550K · Sep 2026
- 11 Derby Rd$775K3 bd · 1 ba · 1,308 ft² · Sold $775K · Sep 2026
- 1 Sheridan St$575K4 bd · 2 ba · 1,344 ft² · Sold $620K · Sep 2026
- 22 Edgewood St4 bd · 2 ba · 1,960 ft² · Sold $680K · Sep 2026
- 18 Burwell St$1.3M2 bd · 2 ba · 1,323 ft² · Sold $1.3M · Sep 2026
Assigned schools
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