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Single Family ResidenceResidential
$445,153$359 / 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 83How 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 $425,000 on Jul 18, 2025

603 PLAINVILLE AVE

UNIONVILLE, CT 06085
3
Beds
2
Baths
1,240 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 ac
Lot SizeThe size of the land the home sits on, from county records.
1971
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$445K
$367K low$523K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$425,000 · Jul 18, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,510 (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.$206,990 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$90,720
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$116,270
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$206,990
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$144,893

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.Ranch
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.1990
Lot (acres)The size of the land the home sits on, from county records.1.00
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.Baseboard
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(2)

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
West District SchoolA
Elementary · Grades KG–4 · 0.9 mi
H
Farmington High SchoolA+
High · Grades 9–12 · 2.0 mi
M
Irving A. Robbins Middle SchoolA
Middle · Grades 7–8 · 4.6 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

603 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.

  • Costs more per square foot than 96% of homes in Capitol County
  • Smaller than 76% of homes in Unionville 06085
  • Has a bigger lot than 93% of homes in Unionville 06085

What homes are worth in Unionville 06085

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

This home
$195K$1.1M

This home is worth more than 45% of homes in Unionville 06085.

How it measures up in Unionville 06085

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

Estimated value$445,153
CheaperTypical $463,740Pricier

Pricier than 45% of homes nearby

Price per ft²$359
CheaperTypical $270Pricier

Pricier than 91% of homes nearby

Living area1,240 ft²
SmallerTypical 1,814 ft²Bigger

Bigger than 24% of homes nearby

Lot size1 ac
SmallerTypical 0.39 acBigger

Bigger than 93% of homes nearby

Year built1971
OlderTypical 1978Newer

Newer than 43% of homes nearby

How 603 Plainville Ave ranks against every home in each area.
MeasureThis homeUnionville 06085Capitol County
Estimated valuepricier than$445,15345% of homes63% of homes
Price per ft²pricier than$35991% of homes96% of homes
Living areabigger than1,240 ft²24% of homes28% of homes
Lot sizebigger than1 ac93% of homes79% of homes
Year builtnewer than197143% of homes60% of homes

About 603 Plainville Ave

How much is 603 Plainville Ave, Unionville, CT worth?

The TopHap Estimate for 603 Plainville Ave, Unionville, CT is $445,153 as of Aug 30, 2026. The likely range is $367,491 to $522,815. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 603 Plainville Ave, Unionville, CT last sell?

603 Plainville Ave, Unionville, CT last sold on Jul 18, 2025 for $425,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 603 Plainville Ave, Unionville, CT?

603 Plainville Ave, Unionville, CT has 3 bedrooms, 2 bathrooms, 1,240 square feet of living space and a 1.00-acre lot.

When was 603 Plainville Ave, Unionville, CT built?

603 Plainville Ave, Unionville, CT was built in 1971, making it 55 years old. It is a ranch home. The building has 1 story.

What schools serve 603 Plainville Ave, Unionville, CT?

603 Plainville Ave, Unionville, CT is assigned to West District 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 603 Plainville Ave, Unionville, CT compare to other homes in Unionville 06085?

Among the 2,587 homes in Unionville 06085, it is worth more than 45% of them ($445,153 against a typical $463,740), its price per square foot is higher than 91% of them ($359 against a typical $270), it is bigger than 24% of them (1,240 ft² against a typical 1,814 ft²), its lot is bigger than 93% of them (1 ac against a typical 0.39 ac) and it is newer than 43% of them (1971 against a typical 1978). Measured against all of Capitol County, it is worth more than 63% 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 603 Plainville Ave, Unionville, CT?

The 2025 property tax bill for 603 Plainville Ave, Unionville, CT was $5,510. The county assessed it at $206,990.

More homes on Plainville Ave

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