Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$479,614$194 / 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 Oct 21, 2026

21 SPRING ST

SHELTON, CT 06484
3
Beds
1.5
Baths
2,476 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.
0.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1917
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

$480K
$446K low$514K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,448 (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.$351,260 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$105,210
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$246,050
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$234,290
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$463,814

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
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.1976
Lot (acres)The size of the land the home sits on, from county records.0.40
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Oil
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(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.

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

E
Sunnyside SchoolB-
Elementary · Grades PK–4 · 1.3 mi
M
Intermediate SchoolC+
Middle · Grades 7–8 · 1.8 mi
H
Shelton High SchoolC
High · Grades 9–12 · 1.9 mi

District: Shelton School District

Neighborhood · ZIP 06484These 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.50
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 100.68

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.2%
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.42,361
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,325 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$115,353
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$133,621
Average tempThe average temperature here across a full year.51°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%

Owner Tools

Do you own this home?
Claim this home

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 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 less than 70% of homes in Shelton 06484
  • Among the lowest price per square foot in Shelton 06484
  • Bigger than 84% of homes in Naugatuck Valley County
  • Has a smaller lot than 70% of homes in Shelton 06484
  • Older than 96% of homes in Shelton 06484

What homes are worth in Shelton 06484

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

This home
$231K$1M

This home is worth more than 30% of homes in Shelton 06484.

How it measures up in Shelton 06484

The dot is this home. The mark in the middle is the typical home in Shelton 06484.

Estimated value$479,614
CheaperTypical $553,765Pricier

Pricier than 30% of homes nearby

Price per ft²$194
CheaperTypical $312Pricier

Cheaper than almost all homes nearby

Living area2,476 ft²
SmallerTypical 1,680 ft²Bigger

Bigger than 80% of homes nearby

Lot size0.4 ac
SmallerTypical 0.91 acBigger

Bigger than 30% of homes nearby

Year built1917
OlderTypical 1976Newer

Newer than 4% of homes nearby

How 21 Spring St ranks against every home in each area.
MeasureThis homeShelton 06484Naugatuck Valley County
Estimated valuepricier than$479,61430% of homes68% of homes
Price per ft²pricier than$194almost no homes12% of homes
Living areabigger than2,476 ft²80% of homes84% of homes
Lot sizebigger than0.4 ac30% of homes52% of homes
Year builtnewer than19174% of homes10% of homes

About 21 Spring St

How much is 21 Spring St, Shelton, CT worth?

The TopHap Estimate for 21 Spring St, Shelton, CT is $479,614 as of Oct 21, 2026. The likely range is $445,688 to $513,540. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Spring St, Shelton, CT last sell?

21 Spring St, Shelton, CT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Spring St, Shelton, CT?

21 Spring St, Shelton, CT has 3 bedrooms, 1.5 bathrooms, 2,476 square feet of living space and a 0.40-acre lot.

When was 21 Spring St, Shelton, CT built?

21 Spring St, Shelton, CT was built in 1917, making it 109 years old. The building has 2 stories.

What schools serve 21 Spring St, Shelton, CT?

21 Spring St, Shelton, CT is assigned to Sunnyside School (elementary), rated B-; Intermediate School (middle), rated C+; Shelton High School (high), rated C. All sit in Shelton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Spring St, Shelton, CT compare to other homes in Shelton 06484?

Among the 14,545 homes in Shelton 06484, it is worth more than 30% of them ($479,614 against a typical $553,765), its price per square foot is higher than almost none of them ($194 against a typical $312), it is bigger than 80% of them (2,476 ft² against a typical 1,680 ft²), its lot is bigger than 30% of them (0.4 ac against a typical 0.91 ac) and it is newer than 4% of them (1917 against a typical 1976). Measured against all of Naugatuck Valley County, it is worth more than 68% 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 Spring St, Shelton, CT?

The 2026 property tax bill for 21 Spring St, Shelton, CT was $5,448. The county assessed it at $351,260.

More homes on Spring St

Closest homes

More homes in Shelton 06484

Assigned schools

Explore the area

See this home in context

Open 21 Spring St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map