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Single Family ResidenceResidential
$675,780$393 / 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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $645,000 on Jul 30, 2024

15 PROSPECT ST

CANAAN, CT 06018
3
Beds
1.5
Baths
1,721 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.
1.31 ac
Lot SizeThe size of the land the home sits on, from county records.
1800
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$676K
$608K low$744K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$645,000 · Jul 30, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,954 (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.$309,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$46,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$263,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$261,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$216,930

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
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
62
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
96
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
32
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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.Historical
CountyNORTHWEST HILLS
Lot (acres)The size of the land the home sits on, from county records.1.31
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(3)

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
Lee H. Kellogg School
Elementary · Grades KG–8 · 0.2 mi
H
Housatonic Valley Regional High SchoolC
High · Grades 9–12 · 1.3 mi

District: Canaan School District

Neighborhood · ZIP 06018These 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.131
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.55

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.26%
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.2,396
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.168 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,145
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$91,887
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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

15 Prospect 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.

  • Worth more than 95% of homes in Canaan 06018
  • Costs more per square foot than 96% of homes in Canaan 06018
  • Has a bigger lot than 66% of homes in Canaan 06018
  • Among the oldest homes in Canaan 06018

What homes are worth in Canaan 06018

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

This home
$150K$1M

This home is worth more than 95% of homes in Canaan 06018.

How it measures up in Canaan 06018

The dot is this home. The mark in the middle is the typical home in Canaan 06018.

Estimated value$675,780
CheaperTypical $306,734Pricier

Pricier than 95% of homes nearby

Price per ft²$393
CheaperTypical $220Pricier

Pricier than 96% of homes nearby

Living area1,721 ft²
SmallerTypical 1,504 ft²Bigger

Bigger than 63% of homes nearby

Lot size1.31 ac
SmallerTypical 0.75 acBigger

Bigger than 66% of homes nearby

Year built1800
OlderTypical 1949Newer

Older than almost all homes nearby

How 15 Prospect St ranks against every home in each area.
MeasureThis homeCanaan 06018Northwest Hills County
Estimated valuepricier than$675,78095% of homes78% of homes
Price per ft²pricier than$39396% of homes86% of homes
Living areabigger than1,721 ft²63% of homes49% of homes
Lot sizebigger than1.31 ac66% of homes53% of homes
Year builtnewer than1800almost no homes2% of homes

About 15 Prospect St

How much is 15 Prospect St, Canaan, CT worth?

The TopHap Estimate for 15 Prospect St, Canaan, CT is $675,780 as of Aug 30, 2026. The likely range is $607,536 to $744,024. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 15 Prospect St, Canaan, CT last sell?

15 Prospect St, Canaan, CT last sold on Jul 30, 2024 for $645,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 15 Prospect St, Canaan, CT?

15 Prospect St, Canaan, CT has 3 bedrooms, 1.5 bathrooms, 1,721 square feet of living space and a 1.31-acre lot.

When was 15 Prospect St, Canaan, CT built?

15 Prospect St, Canaan, CT was built in 1800, making it 226 years old. It is a historical home. The building has 2 stories.

What schools serve 15 Prospect St, Canaan, CT?

15 Prospect St, Canaan, CT is assigned to Lee H. Kellogg School (elementary); Housatonic Valley Regional High School (high), rated C. All sit in Canaan School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 15 Prospect St, Canaan, CT compare to other homes in Canaan 06018?

Among the 1,069 homes in Canaan 06018, it is worth more than 95% of them ($675,780 against a typical $306,734), its price per square foot is higher than 96% of them ($393 against a typical $220), it is bigger than 63% of them (1,721 ft² against a typical 1,504 ft²), its lot is bigger than 66% of them (1.31 ac against a typical 0.75 ac) and it is newer than almost none of them (1800 against a typical 1949). Measured against all of Northwest Hills County, it is worth more than 78% 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 15 Prospect St, Canaan, CT?

The 2025 property tax bill for 15 Prospect St, Canaan, CT was $6,954. The county assessed it at $309,900.

More homes on Prospect St

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Assigned schools

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