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CondominiumResidential
$275,898$392 / 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 $65,500 on Oct 2, 1984

18 PROSPECT AVE

NORWALK, CT 06850
Building report
2
Beds
1
Baths
704 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.
1967
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

$276K
$268K low$284K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$65,500 · Oct 2, 1984

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,348 (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.$141,320 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$141,320
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$141,320
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$98,924

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.40
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
60
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.
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.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
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.

M
Ponus Ridge Middle SchoolD+
Middle · Grades 6–8 · 1.0 mi
E
Jefferson Science Magnet SchoolD+
Elementary · Grades KG–5 · 1.0 mi
H
McMahon High SchoolD+
High · Grades 9–12 · 2.1 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

18 Prospect 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 96% of homes in Western Connecticut County
  • Costs less per square foot than 70% of homes in Norwalk 06850
  • Smaller than 97% of homes in Western Connecticut County
  • Newer than 68% of homes in Spring Hill / Hospital Area

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
$225K$1.5M

This home is worth more than 7% 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$275,898
CheaperTypical $635,648Pricier

Pricier than 7% of homes nearby

Price per ft²$392
CheaperTypical $430Pricier

Pricier than 30% of homes nearby

Living area704 ft²
SmallerTypical 1,472 ft²Bigger

Bigger than 6% of homes nearby

Year built1967
OlderTypical 1960Newer

Newer than 65% of homes nearby

How 18 Prospect Ave ranks against every home in each area.
MeasureThis homeSpring Hill / Hospital AreaNorwalk 06850Western Connecticut County
Estimated valuepricier than$275,89822% of homes7% of homes4% of homes
Price per ft²pricier than$39243% of homes30% of homes41% of homes
Living areabigger than704 ft²15% of homes6% of homes3% of homes
Year builtnewer than196768% of homes65% of homes51% of homes

About 18 Prospect Ave

How much is 18 Prospect Ave, Norwalk, CT worth?

The TopHap Estimate for 18 Prospect Ave, Norwalk, CT is $275,898 as of Sep 24, 2026. The likely range is $267,841 to $283,955. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Prospect Ave, Norwalk, CT last sell?

18 Prospect Ave, Norwalk, CT last sold on Oct 2, 1984 for $65,500, according to the county's recorded deed.

How big is 18 Prospect Ave, Norwalk, CT?

18 Prospect Ave, Norwalk, CT has 2 bedrooms, 1 bathrooms and 704 square feet of living space.

When was 18 Prospect Ave, Norwalk, CT built?

18 Prospect Ave, Norwalk, CT was built in 1967, making it 59 years old. The building has 1 story.

What schools serve 18 Prospect Ave, Norwalk, CT?

18 Prospect Ave, Norwalk, CT is assigned to Ponus Ridge Middle School (middle), rated D+; Jefferson Science Magnet School (elementary), rated D+; 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 18 Prospect Ave, Norwalk, CT compare to other homes in Norwalk 06850?

Among the 6,010 homes in Norwalk 06850, it is worth more than 7% of them ($275,898 against a typical $635,648), its price per square foot is higher than 30% of them ($392 against a typical $430), it is bigger than 6% of them (704 ft² against a typical 1,472 ft²) and it is newer than 65% of them (1967 against a typical 1960). Measured against all of Western Connecticut County, it is worth more than 4% 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 18 Prospect Ave, Norwalk, CT?

The 2025 property tax bill for 18 Prospect Ave, Norwalk, CT was $3,348. The county assessed it at $141,320.

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