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Single Family ResidenceResidential
$414,607$307 / 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 $300,500 on Jul 6, 2022

20 UNION ST

WALLINGFORD, CT 06492
3
Beds
2.5
Baths
1,350 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.
0.13 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.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$415K
$395K low$434K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$300,500 · Jul 6, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,051 (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.$209,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$72,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$137,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$158,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$146,580

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.Conventional
CountySOUTH CENTRAL CONNECTICUT
Lot (acres)The size of the land the home sits on, from county records.0.13
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
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(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
Moses Y. Beach School
Elementary · Grades PK–2 · 0.7 mi
H
Lyman Hall High SchoolB-
High · Grades 9–12 · 1.0 mi
M
Dag Hammarskjold Middle SchoolB-
Middle · Grades 6–8 · 1.2 mi

District: Wallingford School District

Neighborhood · ZIP 06492These 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.71
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.114
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.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.5%
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.43,444
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,078 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$101,899
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$118,841
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.58%

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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

20 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.

  • Has a smaller lot than 97% of homes in Wallingford 06492
  • Older than 91% of homes in Wallingford 06492

What homes are worth in Wallingford 06492

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

This home
$155K$849K

This home is worth more than 39% of homes in Wallingford 06492.

How it measures up in Wallingford 06492

The dot is this home. The mark in the middle is the typical home in Wallingford 06492.

Estimated value$414,607
CheaperTypical $446,688Pricier

Pricier than 39% of homes nearby

Price per ft²$307
CheaperTypical $296Pricier

Pricier than 58% of homes nearby

Living area1,350 ft²
SmallerTypical 1,446 ft²Bigger

Bigger than 43% of homes nearby

Lot size0.13 ac
SmallerTypical 0.44 acBigger

Bigger than 3% of homes nearby

Year built1910
OlderTypical 1970Newer

Newer than 9% of homes nearby

How 20 Union St ranks against every home in each area.
MeasureThis homeWallingford 06492South Central Connecticut County
Estimated valuepricier than$414,60739% of homes46% of homes
Price per ft²pricier than$30758% of homes60% of homes
Living areabigger than1,350 ft²43% of homes39% of homes
Lot sizebigger than0.13 ac3% of homes15% of homes
Year builtnewer than19109% of homes11% of homes

About 20 Union St

How much is 20 Union St, Wallingford, CT worth?

The TopHap Estimate for 20 Union St, Wallingford, CT is $414,607 as of Aug 30, 2026. The likely range is $394,746 to $434,468. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Union St, Wallingford, CT last sell?

20 Union St, Wallingford, CT last sold on Jul 6, 2022 for $300,500, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 20 Union St, Wallingford, CT?

20 Union St, Wallingford, CT has 3 bedrooms, 2.5 bathrooms, 1,350 square feet of living space and a 0.13-acre lot.

When was 20 Union St, Wallingford, CT built?

20 Union St, Wallingford, CT was built in 1910, making it 116 years old. It is a conventional home. The building has 2 stories.

What schools serve 20 Union St, Wallingford, CT?

20 Union St, Wallingford, CT is assigned to Moses Y. Beach School (elementary); Lyman Hall High School (high), rated B-; Dag Hammarskjold Middle School (middle), rated B-. All sit in Wallingford School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Union St, Wallingford, CT compare to other homes in Wallingford 06492?

Among the 14,834 homes in Wallingford 06492, it is worth more than 39% of them ($414,607 against a typical $446,688), its price per square foot is higher than 58% of them ($307 against a typical $296), it is bigger than 43% of them (1,350 ft² against a typical 1,446 ft²), its lot is bigger than 3% of them (0.13 ac against a typical 0.44 ac) and it is newer than 9% of them (1910 against a typical 1970). Measured against all of South Central Connecticut County, it is worth more than 46% 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 20 Union St, Wallingford, CT?

The 2025 property tax bill for 20 Union St, Wallingford, CT was $5,051. The county assessed it at $209,400.

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