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Duplex (2 Units, Any Combination)Residential
Last sold for $452,250 on Jun 27, 2025

166 PLAINVILLE AVE

UNIONVILLE, CT 06085
6
Beds
2
Baths
2,328 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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
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

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$452,250 · Jun 27, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,587 (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.$247,450 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$70,840
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$176,610
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$247,660
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$173,215

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyCAPITOL
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.1986
Lot (acres)The size of the land the home sits on, from county records.0.29
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.Hot Water
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.Garage, Basement
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
Union SchoolA-
Elementary · Grades KG–4 · 0.5 mi
H
Farmington High SchoolA+
High · Grades 9–12 · 1.0 mi
M
Irving A. Robbins Middle SchoolA
Middle · Grades 7–8 · 5.0 mi

District: Farmington School District

Neighborhood · ZIP 06085These 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.90
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.64

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.8%
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.7,576
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,549 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$129,173
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$137,167
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.52 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 Plainville 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 79% of homes in Capitol County
  • Has a smaller lot than 65% of homes in Capitol County
  • Older than 94% of homes in Capitol County

How it measures up in Unionville 06085

The dot is this home. The mark in the middle is the typical home in Unionville 06085.

Living area2,328 ft²
SmallerTypical 1,808 ft²Bigger

Bigger than 68% of homes nearby

Lot size0.29 ac
SmallerTypical 0.39 acBigger

Bigger than 37% of homes nearby

Year built1910
OlderTypical 1979Newer

Newer than 7% of homes nearby

How 166 Plainville Ave ranks against every home in each area.
MeasureThis homeUnionville 06085Capitol County
Living areabigger than2,328 ft²68% of homes79% of homes
Lot sizebigger than0.29 ac37% of homes35% of homes
Year builtnewer than19107% of homes6% of homes

About 166 Plainville Ave

When did 166 Plainville Ave, Unionville, CT last sell?

166 Plainville Ave, Unionville, CT last sold on Jun 27, 2025 for $452,250, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 166 Plainville Ave, Unionville, CT?

166 Plainville Ave, Unionville, CT has 6 bedrooms, 2 bathrooms, 2,328 square feet of living space and a 0.29-acre lot.

When was 166 Plainville Ave, Unionville, CT built?

166 Plainville Ave, Unionville, CT was built in 1910, making it 116 years old. It is a duplex single home. The building has 2 stories.

What schools serve 166 Plainville Ave, Unionville, CT?

166 Plainville Ave, Unionville, CT is assigned to Union School (elementary), rated A-; Farmington High School (high), rated A+; Irving A. Robbins Middle School (middle), rated A. All sit in Farmington School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 166 Plainville Ave, Unionville, CT compare to other homes in Unionville 06085?

Among the 2,587 homes in Unionville 06085, it is bigger than 68% of them (2,328 ft² against a typical 1,808 ft²), its lot is bigger than 37% of them (0.29 ac against a typical 0.39 ac) and it is newer than 7% of them (1910 against a typical 1979). 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 Plainville Ave, Unionville, CT?

The 2025 property tax bill for 166 Plainville Ave, Unionville, CT was $6,587. The county assessed it at $247,450.

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