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Triplex (3 Units, Any Combination)Residential

18 HARBOR AVE

NORWALK, CT 06850
5
Beds
3
Baths
2,568 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.
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.
1890
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
11
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,253 (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.$470,830 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$162,950
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$307,880
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$473,170
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$329,581

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Triplex (3 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Colonial
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.1965
Lot (acres)The size of the land the home sits on, from county records.0.33
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
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
Tracey Elementary SchoolC+
Elementary · Grades KG–5 · 0.8 mi
H
Norwalk High SchoolD+
High · Grades 9–12 · 1.3 mi
M
West Rocks Middle SchoolC+
Middle · Grades 6–8 · 1.5 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 Harbor 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.

  • Bigger than 85% of homes in Norwalk 06850
  • Has a smaller lot than 68% of homes in Western Connecticut County
  • Older than 97% 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.

Living area2,568 ft²
SmallerTypical 1,470 ft²Bigger

Bigger than 85% of homes nearby

Lot size0.33 ac
SmallerTypical 0.31 acBigger

Bigger than 51% of homes nearby

Year built1890
OlderTypical 1960Newer

Newer than 3% of homes nearby

How 18 Harbor Ave ranks against every home in each area.
MeasureThis homeNorwalk 06850Western Connecticut County
Living areabigger than2,568 ft²85% of homes67% of homes
Lot sizebigger than0.33 ac51% of homes32% of homes
Year builtnewer than18903% of homes3% of homes

About 18 Harbor Ave

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

18 Harbor Ave, Norwalk, CT last sold on Jan 1, 1900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 18 Harbor Ave, Norwalk, CT?

18 Harbor Ave, Norwalk, CT has 5 bedrooms, 3 bathrooms, 2,568 square feet of living space and a 0.33-acre lot.

When was 18 Harbor Ave, Norwalk, CT built?

18 Harbor Ave, Norwalk, CT was built in 1890, making it 136 years old. It is a colonial home. The building has 2 stories.

What schools serve 18 Harbor Ave, Norwalk, CT?

18 Harbor Ave, Norwalk, CT is assigned to Tracey Elementary School (elementary), rated C+; Norwalk High School (high), rated D+; West Rocks 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 18 Harbor Ave, Norwalk, CT compare to other homes in Norwalk 06850?

Among the 6,010 homes in Norwalk 06850, it is bigger than 85% of them (2,568 ft² against a typical 1,470 ft²), its lot is bigger than 51% of them (0.33 ac against a typical 0.31 ac) and it is newer than 3% of them (1890 against a typical 1960). 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 Harbor Ave, Norwalk, CT?

The 2025 property tax bill for 18 Harbor Ave, Norwalk, CT was $11,253. The county assessed it at $470,830.

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