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Duplex (2 Units, Any Combination)Residential
Last sold for $34,500 on Nov 24, 2009

129 SOUTH ST

WATERBURY, CT 06706
4
Beds
3
Baths
2,704 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
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.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$34,500 · Nov 24, 2009

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,664 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$130,690 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$13,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$117,390
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$130,690
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$321,973

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
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.1965
Lot (acres)The size of the land the home sits on, from county records.0.12
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
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.

Foreclosure Filings(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Washington Elementary SchoolD-
Elementary · Grades KG–5 · 0.2 mi
M
West Side Middle SchoolD
Middle · Grades 6–8 · 1.5 mi
H
Crosby High SchoolF
High · Grades 9–12 · 3.2 mi

District: Waterbury School District

Neighborhood · ZIP 06706These 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.126
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.70

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.9.9%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.24%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.16,856
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,038 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$56,953
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$71,096
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

129 South 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.

  • Bigger than 91% of homes in Waterbury 06706
  • Has a smaller lot than 93% of homes in Naugatuck Valley County
  • Older than 93% of homes in Naugatuck Valley County

How it measures up in Waterbury 06706

The dot is this home. The mark in the middle is the typical home in Waterbury 06706.

Living area2,704 ft²
SmallerTypical 1,260 ft²Bigger

Bigger than 91% of homes nearby

Lot size0.12 ac
SmallerTypical 0.19 acBigger

Bigger than 15% of homes nearby

Year built1900
OlderTypical 1953Newer

Newer than 14% of homes nearby

How 129 South St ranks against every home in each area.
MeasureThis homeWashington HillWaterbury 06706Naugatuck Valley County
Living areabigger than2,704 ft²80% of homes91% of homes88% of homes
Lot sizebigger than0.12 ac38% of homes15% of homes7% of homes
Year builtnewer than190027% of homes14% of homes7% of homes

About 129 South St

When did 129 South St, Waterbury, CT last sell?

129 South St, Waterbury, CT last sold on Nov 24, 2009 for $34,500, according to the county's recorded deed.

How big is 129 South St, Waterbury, CT?

129 South St, Waterbury, CT has 4 bedrooms, 3 bathrooms, 2,704 square feet of living space and a 0.12-acre lot.

When was 129 South St, Waterbury, CT built?

129 South St, Waterbury, CT was built in 1900, making it 126 years old. It is a duplex single home. The building has 2 stories.

What schools serve 129 South St, Waterbury, CT?

129 South St, Waterbury, CT is assigned to Washington Elementary School (elementary), rated D-; West Side Middle School (middle), rated D; Crosby High School (high), rated F. All sit in Waterbury School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 129 South St, Waterbury, CT compare to other homes in Waterbury 06706?

Among the 3,471 homes in Waterbury 06706, it is bigger than 91% of them (2,704 ft² against a typical 1,260 ft²), its lot is bigger than 15% of them (0.12 ac against a typical 0.19 ac) and it is newer than 14% of them (1900 against a typical 1953). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 129 South St, Waterbury, CT?

The 2026 property tax bill for 129 South St, Waterbury, CT was $5,664. The county assessed it at $130,690.

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