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Single Family ResidenceResidential
$690,348$610 / 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 97How 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 $465,000 on Jan 13, 2020

21 MCALLISTER AVE

NORWALK, CT 06854
3
Beds
2
Baths
1,131 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.
1970
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$690K
$671K low$709K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$465,000 · Jan 13, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,599 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$395,430 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$170,170
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$225,260
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$395,430
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$708,128

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.13 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.Raised Ranch
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.1991
Lot (acres)The size of the land the home sits on, from county records.0.21
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
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
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

Transaction History(7)

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
Brookside Elmentary SchoolD
Elementary · Grades KG–5 · 0.6 mi
H
McMahon High SchoolD+
High · Grades 9–12 · 0.9 mi
M
Roton Middle SchoolC+
Middle · Grades 6–8 · 1.5 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%

Owner Tools

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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

21 Mcallister 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.

  • Costs more per square foot than 88% of homes in Flax Hill
  • Smaller than 85% of homes in Western Connecticut County
  • Has a smaller lot than 81% of homes in Western Connecticut County
  • Newer than 65% of homes in Flax Hill

What homes are worth in Norwalk 06854

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

This home
$220K$2.6M

This home is worth more than 64% of homes in Norwalk 06854.

How it measures up in Norwalk 06854

The dot is this home. The mark in the middle is the typical home in Norwalk 06854.

Estimated value$690,348
CheaperTypical $603,598Pricier

Pricier than 64% of homes nearby

Price per ft²$610
CheaperTypical $452Pricier

Pricier than 87% of homes nearby

Living area1,131 ft²
SmallerTypical 1,408 ft²Bigger

Bigger than 30% of homes nearby

Lot size0.21 ac
SmallerTypical 0.18 acBigger

Bigger than 63% of homes nearby

Year built1970
OlderTypical 1963Newer

Newer than 60% of homes nearby

How 21 Mcallister Ave ranks against every home in each area.
MeasureThis homeFlax HillNorwalk 06854Western Connecticut County
Estimated valuepricier than$690,34848% of homes64% of homes41% of homes
Price per ft²pricier than$61088% of homes87% of homes77% of homes
Living areabigger than1,131 ft²18% of homes30% of homes15% of homes
Lot sizebigger than0.21 ac58% of homes63% of homes19% of homes
Year builtnewer than197065% of homes60% of homes55% of homes

About 21 Mcallister Ave

How much is 21 Mcallister Ave, Norwalk, CT worth?

The TopHap Estimate for 21 Mcallister Ave, Norwalk, CT is $690,348 as of Sep 24, 2026. The likely range is $671,238 to $709,458. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Mcallister Ave, Norwalk, CT last sell?

21 Mcallister Ave, Norwalk, CT last sold on Jan 13, 2020 for $465,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 Mcallister Ave, Norwalk, CT?

21 Mcallister Ave, Norwalk, CT has 3 bedrooms, 2 bathrooms, 1,131 square feet of living space and a 0.21-acre lot.

When was 21 Mcallister Ave, Norwalk, CT built?

21 Mcallister Ave, Norwalk, CT was built in 1970, making it 56 years old. It is a raised ranch home. The building has 1 story.

What schools serve 21 Mcallister Ave, Norwalk, CT?

21 Mcallister Ave, Norwalk, CT is assigned to Brookside Elmentary School (elementary), rated D; McMahon High School (high), rated D+; Roton Middle School (middle), rated C+. All sit in Norwalk School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Mcallister Ave, Norwalk, CT compare to other homes in Norwalk 06854?

Among the 6,586 homes in Norwalk 06854, it is worth more than 64% of them ($690,348 against a typical $603,598), its price per square foot is higher than 87% of them ($610 against a typical $452), it is bigger than 30% of them (1,131 ft² against a typical 1,408 ft²), its lot is bigger than 63% of them (0.21 ac against a typical 0.18 ac) and it is newer than 60% of them (1970 against a typical 1963). Measured against all of Western Connecticut County, it is worth more than 41% 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 21 Mcallister Ave, Norwalk, CT?

The 2026 property tax bill for 21 Mcallister Ave, Norwalk, CT was $9,599. The county assessed it at $395,430.

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