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Single Family ResidenceResidential
$548,343$490 / 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 88How 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

172 FILLOW ST

NORWALK, CT 06850
3
Beds
1
Baths
1,120 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.
1.52 ac
Lot SizeThe size of the land the home sits on, from county records.
1928
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$548K
$483K low$614K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,722 (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.$367,390 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$233,140
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$134,250
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$367,390
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$257,173

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.45
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
18
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
61
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.
43
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.2 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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Bungalow
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.1973
Lot (acres)The size of the land the home sits on, from county records.1.52
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.Hot Water
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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

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

M
Ponus Ridge Middle SchoolC
Middle · Grades 6–8 · 0.3 mi
E
Fox Run Elementary SchoolC-
Elementary · Grades KG–5 · 0.5 mi
H
McMahon High SchoolD
High · Grades 9–12 · 2.4 mi

District: Norwalk School District

Neighborhood · ZIP 06850These 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.81
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.113
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.93

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.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.23,602
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,501 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$115,282
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$144,660
Average tempThe average temperature here across a full year.52°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

172 Fillow 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 least valuable homes in West Norwalk
  • Costs more per square foot than 76% of homes in Norwalk 06850
  • Smaller than 98% of homes in West Norwalk
  • Has a bigger lot than 96% of homes in Norwalk 06850
  • Older than 93% of homes in West Norwalk

What homes are worth in Norwalk 06850

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

This home
$224K$1.6M

This home is worth more than 34% of homes in Norwalk 06850.

How it measures up in Norwalk 06850

The dot is this home. The mark in the middle is the typical home in Norwalk 06850.

Estimated value$548,343
CheaperTypical $635,802Pricier

Pricier than 34% of homes nearby

Price per ft²$490
CheaperTypical $429Pricier

Pricier than 76% of homes nearby

Living area1,120 ft²
SmallerTypical 1,472 ft²Bigger

Bigger than 25% of homes nearby

Lot size1.52 ac
SmallerTypical 0.32 acBigger

Bigger than 96% of homes nearby

Year built1928
OlderTypical 1960Newer

Newer than 9% of homes nearby

How 172 Fillow St ranks against every home in each area.
MeasureThis homeWest NorwalkNorwalk 06850Western Connecticut County
Estimated valuepricier than$548,343almost no homes34% of homes27% of homes
Price per ft²pricier than$49065% of homes76% of homes65% of homes
Living areabigger than1,120 ft²2% of homes25% of homes14% of homes
Lot sizebigger than1.52 ac91% of homes96% of homes76% of homes
Year builtnewer than19287% of homes9% of homes12% of homes

About 172 Fillow St

How much is 172 Fillow St, Norwalk, CT worth?

The TopHap Estimate for 172 Fillow St, Norwalk, CT is $548,343 as of Sep 24, 2026. The likely range is $483,047 to $613,639. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 172 Fillow St, Norwalk, CT last sell?

172 Fillow St, Norwalk, CT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 172 Fillow St, Norwalk, CT?

172 Fillow St, Norwalk, CT has 3 bedrooms, 1 bathrooms, 1,120 square feet of living space and a 1.52-acre lot.

When was 172 Fillow St, Norwalk, CT built?

172 Fillow St, Norwalk, CT was built in 1928, making it 98 years old. It is a bungalow home. The building has 1 story.

What schools serve 172 Fillow St, Norwalk, CT?

172 Fillow St, Norwalk, CT is assigned to Ponus Ridge Middle School (middle), rated C; Fox Run Elementary School (elementary), rated C-; McMahon High School (high), rated D. All sit in Norwalk School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 172 Fillow St, Norwalk, CT compare to other homes in Norwalk 06850?

Among the 6,010 homes in Norwalk 06850, it is worth more than 34% of them ($548,343 against a typical $635,802), its price per square foot is higher than 76% of them ($490 against a typical $429), it is bigger than 25% of them (1,120 ft² against a typical 1,472 ft²), its lot is bigger than 96% of them (1.52 ac against a typical 0.32 ac) and it is newer than 9% of them (1928 against a typical 1960). Measured against all of Western Connecticut County, it is worth more than 27% 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 172 Fillow St, Norwalk, CT?

The 2025 property tax bill for 172 Fillow St, Norwalk, CT was $8,722. The county assessed it at $367,390.

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