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Single Family ResidenceResidential
$284,115$216 / 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 94How 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 $178,500 on Sep 22, 2020

21 WEST ST

NAUGATUCK, CT 06770
3
Beds
1.5
Baths
1,314 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1905
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$284K
$266K low$302K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$178,500 · Sep 22, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,821 (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.$121,170 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$25,760
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$95,410
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$121,170
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$173,100

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.Colonial
CountyNAUGATUCK VALLEY
Lot (acres)The size of the land the home sits on, from county records.0.11
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.Forced Air With Air Conditioning
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Western Elementary SchoolB
Elementary · Grades KG–4 · 0.3 mi
H
Naugatuck High SchoolC-
High · Grades 9–12 · 0.4 mi
M
City Hill Middle SchoolD+
Middle · Grades 7–8 · 1.5 mi

District: Naugatuck School District

Neighborhood · ZIP 06770These 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.106
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.68

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.8%
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.32,092
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,962 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$86,312
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$112,599
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

21 West 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 less than 81% of homes in Naugatuck Valley County
  • Costs less per square foot than 78% of homes in Naugatuck Valley County
  • Has a smaller lot than 96% of homes in Naugatuck 06770
  • Older than 93% of homes in Naugatuck Valley County

What homes are worth in Naugatuck 06770

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

This home
$189K$576K

This home is worth more than 22% of homes in Naugatuck 06770.

How it measures up in Naugatuck 06770

The dot is this home. The mark in the middle is the typical home in Naugatuck 06770.

Estimated value$284,115
CheaperTypical $348,741Pricier

Pricier than 22% of homes nearby

Price per ft²$216
CheaperTypical $246Pricier

Pricier than 26% of homes nearby

Living area1,314 ft²
SmallerTypical 1,333 ft²Bigger

Bigger than 49% of homes nearby

Lot size0.11 ac
SmallerTypical 0.29 acBigger

Bigger than 4% of homes nearby

Year built1905
OlderTypical 1970Newer

Newer than 9% of homes nearby

How 21 West St ranks against every home in each area.
MeasureThis homeNaugatuck 06770Naugatuck Valley County
Estimated valuepricier than$284,11522% of homes19% of homes
Price per ft²pricier than$21626% of homes22% of homes
Living areabigger than1,314 ft²49% of homes38% of homes
Lot sizebigger than0.11 ac4% of homes7% of homes
Year builtnewer than19059% of homes7% of homes

About 21 West St

How much is 21 West St, Naugatuck, CT worth?

The TopHap Estimate for 21 West St, Naugatuck, CT is $284,115 as of Sep 24, 2026. The likely range is $265,883 to $302,347. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 West St, Naugatuck, CT last sell?

21 West St, Naugatuck, CT last sold on Sep 22, 2020 for $178,500, according to the county's recorded deed.

How big is 21 West St, Naugatuck, CT?

21 West St, Naugatuck, CT has 3 bedrooms, 1.5 bathrooms, 1,314 square feet of living space and a 0.11-acre lot.

When was 21 West St, Naugatuck, CT built?

21 West St, Naugatuck, CT was built in 1905, making it 121 years old. It is a colonial home. The building has 2 stories.

What schools serve 21 West St, Naugatuck, CT?

21 West St, Naugatuck, CT is assigned to Western Elementary School (elementary), rated B; Naugatuck High School (high), rated C-; City Hill Middle School (middle), rated D+. All sit in Naugatuck School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 West St, Naugatuck, CT compare to other homes in Naugatuck 06770?

Among the 9,948 homes in Naugatuck 06770, it is worth more than 22% of them ($284,115 against a typical $348,741), its price per square foot is higher than 26% of them ($216 against a typical $246), it is bigger than 49% of them (1,314 ft² against a typical 1,333 ft²), its lot is bigger than 4% of them (0.11 ac against a typical 0.29 ac) and it is newer than 9% of them (1905 against a typical 1970). Measured against all of Naugatuck Valley County, it is worth more than 19% 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 21 West St, Naugatuck, CT?

The 2025 property tax bill for 21 West St, Naugatuck, CT was $4,821. The county assessed it at $121,170.

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