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Single Family ResidenceResidential
$487,193$363 / 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 95How 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 $290,000 on Aug 14, 2017

51 UNION ST

PLANTSVILLE, CT 06479
3
Beds
2
Baths
1,342 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.
0.63 ac
Lot SizeThe size of the land the home sits on, from county records.
1976
Year BuiltThe year the home was originally built, according to county records.
1
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$487K
$461K low$513K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$290,000 · Aug 14, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,754 (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.$203,370 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$67,530
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$135,840
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$203,370
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$142,359

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.Raised Ranch
CountyCAPITOL
Lot (acres)The size of the land the home sits on, from county records.0.63
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.Garage, Basement
PoolWhether the property has a pool, and what kind, such as in-ground.In-Ground Pool
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(6)

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
Strong Elementary SchoolA-
Elementary · Grades KG–5 · 0.9 mi
M
John F. Kennedy Middle SchoolB+
Middle · Grades 6–8 · 1.2 mi
H
Southington High SchoolB
High · Grades 9–12 · 3.5 mi

District: Southington School District

Neighborhood · ZIP 06479These 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.98
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.2%
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.10,153
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,420 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$118,471
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$139,435
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.51 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

51 Union 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 71% of homes in Plantsville 06479
  • Costs more per square foot than 96% of homes in Capitol County
  • Has a bigger lot than 78% of homes in Plantsville 06479
  • Newer than 66% of homes in Capitol County

What homes are worth in Plantsville 06479

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

This home
$250K$774K

This home is worth more than 71% of homes in Plantsville 06479.

How it measures up in Plantsville 06479

The dot is this home. The mark in the middle is the typical home in Plantsville 06479.

Estimated value$487,193
CheaperTypical $412,415Pricier

Pricier than 71% of homes nearby

Price per ft²$363
CheaperTypical $273Pricier

Pricier than 92% of homes nearby

Living area1,342 ft²
SmallerTypical 1,474 ft²Bigger

Bigger than 39% of homes nearby

Lot size0.63 ac
SmallerTypical 0.48 acBigger

Bigger than 78% of homes nearby

Year built1976
OlderTypical 1972Newer

Newer than 56% of homes nearby

How 51 Union St ranks against every home in each area.
MeasureThis homePlantsville 06479Capitol County
Estimated valuepricier than$487,19371% of homes70% of homes
Price per ft²pricier than$36392% of homes96% of homes
Living areabigger than1,342 ft²39% of homes36% of homes
Lot sizebigger than0.63 ac78% of homes66% of homes
Year builtnewer than197656% of homes66% of homes

About 51 Union St

How much is 51 Union St, Plantsville, CT worth?

The TopHap Estimate for 51 Union St, Plantsville, CT is $487,193 as of Aug 30, 2026. The likely range is $461,057 to $513,329. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 51 Union St, Plantsville, CT last sell?

51 Union St, Plantsville, CT last sold on Aug 14, 2017 for $290,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 51 Union St, Plantsville, CT?

51 Union St, Plantsville, CT has 3 bedrooms, 2 bathrooms, 1,342 square feet of living space and a 0.63-acre lot.

When was 51 Union St, Plantsville, CT built?

51 Union St, Plantsville, CT was built in 1976, making it 50 years old. It is a raised ranch home. The building has 1 story.

What schools serve 51 Union St, Plantsville, CT?

51 Union St, Plantsville, CT is assigned to Strong Elementary School (elementary), rated A-; John F. Kennedy Middle School (middle), rated B+; Southington High School (high), rated B. All sit in Southington School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 51 Union St, Plantsville, CT compare to other homes in Plantsville 06479?

Among the 3,476 homes in Plantsville 06479, it is worth more than 71% of them ($487,193 against a typical $412,415), its price per square foot is higher than 92% of them ($363 against a typical $273), it is bigger than 39% of them (1,342 ft² against a typical 1,474 ft²), its lot is bigger than 78% of them (0.63 ac against a typical 0.48 ac) and it is newer than 56% of them (1976 against a typical 1972). Measured against all of Capitol County, it is worth more than 70% 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 51 Union St, Plantsville, CT?

The 2025 property tax bill for 51 Union St, Plantsville, CT was $6,754. The county assessed it at $203,370.

More homes on Union St

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