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CondominiumResidential
$518,409$386 / 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 96How 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 $350,200 on Apr 30, 2007

4 OBSERVATORY PL

NORWALK, CT 06854
Building report
3
Beds
2
Baths
1,344 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.
2002
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$518K
$498K low$539K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$350,200 · Apr 30, 2007

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,869 (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.$286,850 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$286,850
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$286,850
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$200,795

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyWESTERN CONNECTICUT
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
FireplaceWhether the home has a fireplace, and what kind.Yes
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(2)

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 · 0.3 mi
H
McMahon High SchoolD
High · Grades 9–12 · 0.3 mi
M
Roton Middle SchoolC
Middle · Grades 6–8 · 0.9 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

4 Observatory Pl 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 76% of homes in Western Connecticut County
  • Costs less per square foot than 72% of homes in Norwalk 06854
  • Smaller than 75% of homes in Western Connecticut County
  • Newer than 93% of homes in Norwalk 06854

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
$224K$2.6M

This home is worth more than 36% 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$518,409
CheaperTypical $606,149Pricier

Pricier than 36% of homes nearby

Price per ft²$386
CheaperTypical $451Pricier

Pricier than 28% of homes nearby

Living area1,344 ft²
SmallerTypical 1,401 ft²Bigger

Bigger than 47% of homes nearby

Year built2002
OlderTypical 1963Newer

Newer than 93% of homes nearby

How 4 Observatory Pl ranks against every home in each area.
MeasureThis homeNorwalk 06854Western Connecticut County
Estimated valuepricier than$518,40936% of homes24% of homes
Price per ft²pricier than$38628% of homes40% of homes
Living areabigger than1,344 ft²47% of homes25% of homes
Year builtnewer than200293% of homes90% of homes

About 4 Observatory Pl

How much is 4 Observatory Pl, Norwalk, CT worth?

The TopHap Estimate for 4 Observatory Pl, Norwalk, CT is $518,409 as of Sep 24, 2026. The likely range is $497,519 to $539,299. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 Observatory Pl, Norwalk, CT last sell?

4 Observatory Pl, Norwalk, CT last sold on Apr 30, 2007 for $350,200, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 4 Observatory Pl, Norwalk, CT?

4 Observatory Pl, Norwalk, CT has 3 bedrooms, 2 bathrooms and 1,344 square feet of living space.

When was 4 Observatory Pl, Norwalk, CT built?

4 Observatory Pl, Norwalk, CT was built in 2002, making it 24 years old. The building has 2 stories.

What schools serve 4 Observatory Pl, Norwalk, CT?

4 Observatory Pl, 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 4 Observatory Pl, Norwalk, CT compare to other homes in Norwalk 06854?

Among the 6,586 homes in Norwalk 06854, it is worth more than 36% of them ($518,409 against a typical $606,149), its price per square foot is higher than 28% of them ($386 against a typical $451), it is bigger than 47% of them (1,344 ft² against a typical 1,401 ft²) and it is newer than 93% of them (2002 against a typical 1963). Measured against all of Western Connecticut County, it is worth more than 24% 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 4 Observatory Pl, Norwalk, CT?

The 2025 property tax bill for 4 Observatory Pl, Norwalk, CT was $6,869. The county assessed it at $286,850.

More homes on Observatory Pl

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Assigned schools

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