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CondominiumResidential
$343,192$210 / 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 94How 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 $120,000 on Dec 1, 1997

9 KEYSTONE CIR

AVON, CT 06001
3
Beds
2
Baths
1,632 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1978
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$343K
$323K low$364K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$120,000 · Dec 1, 1997

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,101 (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.$198,410 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$198,410
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$198,410
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$138,887

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyCAPITOL
Lot (acres)The size of the land the home sits on, from county records.0.16
ConstructionThe main material the home's frame and walls are built from.Concrete
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

M
Avon Middle SchoolA+
Middle · Grades 7–8 · 1.4 mi
H
Avon High SchoolA+
High · Grades 9–12 · 1.8 mi
E
Pine Grove SchoolB+
Elementary · Grades KG–4 · 2.3 mi

District: Avon School District

Neighborhood · ZIP 06001These 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.86
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.63

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.39%
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.1.1%
PopulationHow many people live in this area.18,980
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.789 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$150,764
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$215,678
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.53 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

9 Keystone Cir 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 86% of homes in Avon 06001
  • Costs less per square foot than 90% of homes in Avon 06001
  • Smaller than 70% of homes in Avon 06001
  • Has a smaller lot than 86% of homes in Capitol County
  • Newer than 69% of homes in Capitol County

What homes are worth in Avon 06001

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

This home
$219K$1.6M

This home is worth more than 14% of homes in Avon 06001.

How it measures up in Avon 06001

The dot is this home. The mark in the middle is the typical home in Avon 06001.

Estimated value$343,192
CheaperTypical $573,943Pricier

Pricier than 14% of homes nearby

Price per ft²$210
CheaperTypical $260Pricier

Pricier than 10% of homes nearby

Living area1,632 ft²
SmallerTypical 2,170 ft²Bigger

Bigger than 30% of homes nearby

Lot size0.16 ac
SmallerTypical 0.92 acBigger

Bigger than 26% of homes nearby

Year built1978
OlderTypical 1978Newer

Newer than 52% of homes nearby

How 9 Keystone Cir ranks against every home in each area.
MeasureThis homeAvon 06001Capitol County
Estimated valuepricier than$343,19214% of homes35% of homes
Price per ft²pricier than$21010% of homes18% of homes
Living areabigger than1,632 ft²30% of homes54% of homes
Lot sizebigger than0.16 ac26% of homes14% of homes
Year builtnewer than197852% of homes69% of homes

About 9 Keystone Cir

How much is 9 Keystone Cir, Avon, CT worth?

The TopHap Estimate for 9 Keystone Cir, Avon, CT is $343,192 as of Sep 24, 2026. The likely range is $322,714 to $363,670. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9 Keystone Cir, Avon, CT last sell?

9 Keystone Cir, Avon, CT last sold on Dec 1, 1997 for $120,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 9 Keystone Cir, Avon, CT?

9 Keystone Cir, Avon, CT has 3 bedrooms, 2 bathrooms, 1,632 square feet of living space and a 0.16-acre lot.

When was 9 Keystone Cir, Avon, CT built?

9 Keystone Cir, Avon, CT was built in 1978, making it 48 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 9 Keystone Cir, Avon, CT?

9 Keystone Cir, Avon, CT is assigned to Avon Middle School (middle), rated A+; Avon High School (high), rated A+; Pine Grove School (elementary), rated B+. All sit in Avon School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9 Keystone Cir, Avon, CT compare to other homes in Avon 06001?

Among the 7,184 homes in Avon 06001, it is worth more than 14% of them ($343,192 against a typical $573,943), its price per square foot is higher than 10% of them ($210 against a typical $260), it is bigger than 30% of them (1,632 ft² against a typical 2,170 ft²), its lot is bigger than 26% of them (0.16 ac against a typical 0.92 ac) and it is newer than 52% of them (1978 against a typical 1978). Measured against all of Capitol County, it is worth more than 35% 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 9 Keystone Cir, Avon, CT?

The 2025 property tax bill for 9 Keystone Cir, Avon, CT was $6,101. The county assessed it at $198,410.

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