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Single Family ResidenceResidential
$430,864$199 / 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 90How 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 $407,000 on Nov 14, 2025

638 CONGRESS AVE

WATERBURY, CT 06708
4
Beds
1.5
Baths
2,164 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1941
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$431K
$388K low$474K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$407,000 · Nov 14, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,717 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$171,570 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$22,680
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$148,890
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$245,100

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.Cape Cod
CountyNAUGATUCK VALLEY
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.1973
Lot (acres)The size of the land the home sits on, from county records.0.30
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
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
B. W. Tinker Elementary SchoolC
Elementary · Grades KG–5 · 0.1 mi
H
Kennedy High SchoolD-
High · Grades 9–12 · 0.7 mi
M
West Side Middle SchoolC-
Middle · Grades 6–8 · 0.9 mi

District: Waterbury School District

Neighborhood · ZIP 06708These 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.81
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 100.69

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
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.32,336
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,332 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$67,073
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$82,401
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.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

638 Congress 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.

  • Among the most valuable homes in Brooklyn
  • Costs less per square foot than 86% of homes in Naugatuck Valley County
  • Bigger than 86% of homes in Waterbury 06708
  • Has a bigger lot than 93% of homes in Brooklyn
  • Older than 80% of homes in Naugatuck Valley County

What homes are worth in Waterbury 06708

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

This home
$123K$492K

This home is worth more than 93% of homes in Waterbury 06708.

How it measures up in Waterbury 06708

The dot is this home. The mark in the middle is the typical home in Waterbury 06708.

Estimated value$430,864
CheaperTypical $315,892Pricier

Pricier than 93% of homes nearby

Price per ft²$199
CheaperTypical $234Pricier

Pricier than 31% of homes nearby

Living area2,164 ft²
SmallerTypical 1,330 ft²Bigger

Bigger than 86% of homes nearby

Lot size0.3 ac
SmallerTypical 0.21 acBigger

Bigger than 77% of homes nearby

Year built1941
OlderTypical 1958Newer

Newer than 27% of homes nearby

How 638 Congress Ave ranks against every home in each area.
MeasureThis homeBrooklynWaterbury 06708Naugatuck Valley County
Estimated valuepricier than$430,864almost all homes93% of homes60% of homes
Price per ft²pricier than$19957% of homes31% of homes14% of homes
Living areabigger than2,164 ft²63% of homes86% of homes76% of homes
Lot sizebigger than0.3 ac93% of homes77% of homes40% of homes
Year builtnewer than194157% of homes27% of homes20% of homes

About 638 Congress Ave

How much is 638 Congress Ave, Waterbury, CT worth?

The TopHap Estimate for 638 Congress Ave, Waterbury, CT is $430,864 as of Sep 24, 2026. The likely range is $388,161 to $473,567. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 638 Congress Ave, Waterbury, CT last sell?

638 Congress Ave, Waterbury, CT last sold on Nov 14, 2025 for $407,000, according to the county's recorded deed.

How big is 638 Congress Ave, Waterbury, CT?

638 Congress Ave, Waterbury, CT has 4 bedrooms, 1.5 bathrooms, 2,164 square feet of living space and a 0.30-acre lot.

When was 638 Congress Ave, Waterbury, CT built?

638 Congress Ave, Waterbury, CT was built in 1941, making it 85 years old. It is a cape cod home. The building has 1 story.

What schools serve 638 Congress Ave, Waterbury, CT?

638 Congress Ave, Waterbury, CT is assigned to B. W. Tinker Elementary School (elementary), rated C; Kennedy High School (high), rated D-; West Side Middle School (middle), rated C-. All sit in Waterbury School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 638 Congress Ave, Waterbury, CT compare to other homes in Waterbury 06708?

Among the 8,806 homes in Waterbury 06708, it is worth more than 93% of them ($430,864 against a typical $315,892), its price per square foot is higher than 31% of them ($199 against a typical $234), it is bigger than 86% of them (2,164 ft² against a typical 1,330 ft²), its lot is bigger than 77% of them (0.3 ac against a typical 0.21 ac) and it is newer than 27% of them (1941 against a typical 1958). Measured against all of Naugatuck Valley County, it is worth more than 60% 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 638 Congress Ave, Waterbury, CT?

The 2024 property tax bill for 638 Congress Ave, Waterbury, CT was $7,717. The county assessed it at $171,570.

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