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Single Family ResidenceResidential
$2,464,888$1,112 / 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 Oct 21, 2026
Last sold for $1,090,000 on Dec 4, 2006

18 HARSTROM PL

NORWALK, CT 06853
4
Beds
3.5
Baths
2,216 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$2.5M
$2.2M low$2.8M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,090,000 · Dec 4, 2006

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$24,960 (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.$1,086,070 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$629,340
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$456,730
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,086,070
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,568,121

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.48 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.26%
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.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.1996
Lot (acres)The size of the land the home sits on, from county records.0.15
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.Shingle
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

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
Rowayton Elementary SchoolB
Elementary · Grades KG–5 · 0.2 mi
M
Roton Middle SchoolC+
Middle · Grades 6–8 · 0.8 mi
H
McMahon High SchoolD+
High · Grades 9–12 · 1.4 mi

District: Norwalk School District

Neighborhood · ZIP 06853These 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.85
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.116
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.91

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.40%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.6%
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.4,212
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,612 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$201,923
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$246,387
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

18 Harstrom 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 more than 88% of homes in Western Connecticut County
  • Costs more per square foot than 97% of homes in Western Connecticut County
  • Has a smaller lot than 91% of homes in Western Connecticut County
  • Newer than 77% of homes in Western Connecticut County

What homes are worth in Norwalk 06853

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

This home
$932K$7.3M

This home is worth more than 50% of homes in Norwalk 06853.

How it measures up in Norwalk 06853

The dot is this home. The mark in the middle is the typical home in Norwalk 06853.

Estimated value$2,464,888
CheaperTypical $2,464,888Pricier

Pricier than 50% of homes nearby

Price per ft²$1112
CheaperTypical $1010Pricier

Pricier than 62% of homes nearby

Living area2,216 ft²
SmallerTypical 2,518 ft²Bigger

Bigger than 40% of homes nearby

Lot size0.15 ac
SmallerTypical 0.25 acBigger

Bigger than 20% of homes nearby

Year built1986
OlderTypical 1956Newer

Newer than 73% of homes nearby

How 18 Harstrom Pl ranks against every home in each area.
MeasureThis homeNorwalk 06853Western Connecticut County
Estimated valuepricier than$2,464,88850% of homes88% of homes
Price per ft²pricier than$111262% of homes97% of homes
Living areabigger than2,216 ft²40% of homes57% of homes
Lot sizebigger than0.15 ac20% of homes9% of homes
Year builtnewer than198673% of homes77% of homes

About 18 Harstrom Pl

How much is 18 Harstrom Pl, Norwalk, CT worth?

The TopHap Estimate for 18 Harstrom Pl, Norwalk, CT is $2,464,888 as of Oct 21, 2026. The likely range is $2,175,957 to $2,753,819. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Harstrom Pl, Norwalk, CT last sell?

18 Harstrom Pl, Norwalk, CT last sold on Dec 4, 2006 for $1,090,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 18 Harstrom Pl, Norwalk, CT?

18 Harstrom Pl, Norwalk, CT has 4 bedrooms, 3.5 bathrooms, 2,216 square feet of living space and a 0.15-acre lot.

When was 18 Harstrom Pl, Norwalk, CT built?

18 Harstrom Pl, Norwalk, CT was built in 1986, making it 40 years old. It is a colonial home. The building has 2 stories.

What schools serve 18 Harstrom Pl, Norwalk, CT?

18 Harstrom Pl, Norwalk, CT is assigned to Rowayton Elementary School (elementary), rated B; Roton Middle School (middle), 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 18 Harstrom Pl, Norwalk, CT compare to other homes in Norwalk 06853?

Among the 1,455 homes in Norwalk 06853, it is worth more than 50% of them ($2,464,888 against a typical $2,464,888), its price per square foot is higher than 62% of them ($1112 against a typical $1010), it is bigger than 40% of them (2,216 ft² against a typical 2,518 ft²), its lot is bigger than 20% of them (0.15 ac against a typical 0.25 ac) and it is newer than 73% of them (1986 against a typical 1956). Measured against all of Western Connecticut County, it is worth more than 88% 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 Harstrom Pl, Norwalk, CT?

The 2026 property tax bill for 18 Harstrom Pl, Norwalk, CT was $24,960. The county assessed it at $1,086,070.

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