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Single Family ResidenceResidential
$381,191$235 / 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 93How 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 $124,900 on Mar 22, 1993

307 SPRING ST

NAUGATUCK, CT 06770
3
Beds
2.5
Baths
1,620 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.
0.43 ac
Lot SizeThe size of the land the home sits on, from county records.
1993
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

$381K
$356K low$406K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$124,900 · Mar 22, 1993

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,129 (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.$225,750 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$32,760
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$192,990
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$225,750
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$341,054

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.1 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

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
Lot (acres)The size of the land the home sits on, from county records.0.43
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.Shingle
HeatingThe type of heating system in the home.Hot Water
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.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(3)

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
Hop Brook Elementary SchoolC-
Elementary · Grades KG–4 · 0.4 mi
M
City Hill Middle SchoolC-
Middle · Grades 7–8 · 1.4 mi
H
Naugatuck High SchoolD
High · Grades 9–12 · 1.4 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

307 Spring 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 69% of homes in Naugatuck 06770
  • Costs less per square foot than 67% of homes in Naugatuck Valley County
  • Bigger than 68% of homes in Naugatuck 06770
  • Has a bigger lot than 74% of homes in Naugatuck 06770
  • Newer than 87% of homes in Naugatuck 06770

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
$186K$580K

This home is worth more than 69% 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$381,191
CheaperTypical $348,891Pricier

Pricier than 69% of homes nearby

Price per ft²$235
CheaperTypical $246Pricier

Pricier than 42% of homes nearby

Living area1,620 ft²
SmallerTypical 1,336 ft²Bigger

Bigger than 68% of homes nearby

Lot size0.43 ac
SmallerTypical 0.29 acBigger

Bigger than 74% of homes nearby

Year built1993
OlderTypical 1970Newer

Newer than 87% of homes nearby

How 307 Spring St ranks against every home in each area.
MeasureThis homeNaugatuck 06770Naugatuck Valley County
Estimated valuepricier than$381,19169% of homes49% of homes
Price per ft²pricier than$23542% of homes33% of homes
Living areabigger than1,620 ft²68% of homes57% of homes
Lot sizebigger than0.43 ac74% of homes53% of homes
Year builtnewer than199387% of homes84% of homes

About 307 Spring St

How much is 307 Spring St, Naugatuck, CT worth?

The TopHap Estimate for 307 Spring St, Naugatuck, CT is $381,191 as of Sep 24, 2026. The likely range is $356,261 to $406,121. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 307 Spring St, Naugatuck, CT last sell?

307 Spring St, Naugatuck, CT last sold on Mar 22, 1993 for $124,900, according to the county's recorded deed.

How big is 307 Spring St, Naugatuck, CT?

307 Spring St, Naugatuck, CT has 3 bedrooms, 2.5 bathrooms, 1,620 square feet of living space and a 0.43-acre lot.

When was 307 Spring St, Naugatuck, CT built?

307 Spring St, Naugatuck, CT was built in 1993, making it 33 years old. It is a cape cod home. The building has 2 stories.

What schools serve 307 Spring St, Naugatuck, CT?

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

How does 307 Spring St, Naugatuck, CT compare to other homes in Naugatuck 06770?

Among the 9,948 homes in Naugatuck 06770, it is worth more than 69% of them ($381,191 against a typical $348,891), its price per square foot is higher than 42% of them ($235 against a typical $246), it is bigger than 68% of them (1,620 ft² against a typical 1,336 ft²), its lot is bigger than 74% of them (0.43 ac against a typical 0.29 ac) and it is newer than 87% of them (1993 against a typical 1970). Measured against all of Naugatuck Valley County, it is worth more than 49% 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 307 Spring St, Naugatuck, CT?

The 2026 property tax bill for 307 Spring St, Naugatuck, CT was $9,129. The county assessed it at $225,750.

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