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Single Family ResidenceResidential
$1,775,177$367 / 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 85How 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 $1,525,000 on Mar 28, 2025

166 ELM ST

STONINGTON, CT 06378
5
Beds
4 / 2
Baths
4,841 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.
1.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1901
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
16
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.8M
$1.5M low$2.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,525,000 · Mar 28, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,922 (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.$602,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$188,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$413,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$602,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,642,907

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.42
52
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
11
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
51
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
81
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
16
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Colonial
CountySOUTHEASTERN CONNECTICUT
Lot (acres)The size of the land the home sits on, from county records.1.24
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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
Dean's Mill Elementary SchoolA
Elementary · Grades KG–5 · 1.9 mi
H
Stonington High SchoolA+
High · Grades 9–12 · 2.7 mi
M
Stonington Middle SchoolA-
Middle · Grades 6–8 · 3.6 mi

District: Stonington School District

Neighborhood · ZIP 06378These 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.66
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.57

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.85%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.5,226
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.211 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$113,016
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$159,008
Average tempThe average temperature here across a full year.50°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.56%

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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

166 Elm St 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.

  • Among the most valuable homes in Southeastern Connecticut County
  • Costs more per square foot than 84% of homes in Southeastern Connecticut County
  • Among the largest homes in Southeastern Connecticut County
  • Has a bigger lot than 72% of homes in Southeastern Connecticut County
  • Older than 89% of homes in Southeastern Connecticut County

What homes are worth in Stonington 06378

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

This home
$370K$3.4M

This home is worth more than 90% of homes in Stonington 06378.

How it measures up in Stonington 06378

The dot is this home. The mark in the middle is the typical home in Stonington 06378.

Estimated value$1,775,177
CheaperTypical $848,121Pricier

Pricier than 90% of homes nearby

Price per ft²$367
CheaperTypical $422Pricier

Pricier than 32% of homes nearby

Living area4,841 ft²
SmallerTypical 1,886 ft²Bigger

Bigger than 98% of homes nearby

Lot size1.24 ac
SmallerTypical 0.93 acBigger

Bigger than 56% of homes nearby

Year built1901
OlderTypical 1970Newer

Newer than 19% of homes nearby

How 166 Elm St ranks against every home in each area.
MeasureThis homeStonington 06378Southeastern Connecticut County
Estimated valuepricier than$1,775,17790% of homesalmost all homes
Price per ft²pricier than$36732% of homes84% of homes
Living areabigger than4,841 ft²98% of homesalmost all homes
Lot sizebigger than1.24 ac56% of homes72% of homes
Year builtnewer than190119% of homes11% of homes

About 166 Elm St

How much is 166 Elm St, Stonington, CT worth?

The TopHap Estimate for 166 Elm St, Stonington, CT is $1,775,177 as of Sep 24, 2026. The likely range is $1,500,196 to $2,050,158. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 166 Elm St, Stonington, CT last sell?

166 Elm St, Stonington, CT last sold on Mar 28, 2025 for $1,525,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 166 Elm St, Stonington, CT?

166 Elm St, Stonington, CT has 5 bedrooms, 4 bathrooms, 4,841 square feet of living space and a 1.24-acre lot.

When was 166 Elm St, Stonington, CT built?

166 Elm St, Stonington, CT was built in 1901, making it 125 years old. It is a colonial home. The building has 3 stories.

What schools serve 166 Elm St, Stonington, CT?

166 Elm St, Stonington, CT is assigned to Dean's Mill Elementary School (elementary), rated A; Stonington High School (high), rated A+; Stonington Middle School (middle), rated A-. All sit in Stonington School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 166 Elm St, Stonington, CT compare to other homes in Stonington 06378?

Among the 2,941 homes in Stonington 06378, it is worth more than 90% of them ($1,775,177 against a typical $848,121), its price per square foot is higher than 32% of them ($367 against a typical $422), it is bigger than 98% of them (4,841 ft² against a typical 1,886 ft²), its lot is bigger than 56% of them (1.24 ac against a typical 0.93 ac) and it is newer than 19% of them (1901 against a typical 1970). Measured against all of Southeastern Connecticut County, it is worth more than almost all 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 166 Elm St, Stonington, CT?

The 2026 property tax bill for 166 Elm St, Stonington, CT was $11,922. The county assessed it at $602,100.

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