Duplex (2 Units, Any Combination)Residential
Last sold for $355,000 on Feb 10, 2003
21 COLDSPRING ST
NORWALK, CT 06850
4
Beds
2
Baths
1,757 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.
1947
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
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.$355,000 · Feb 10, 2003
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,189 (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.$342,620 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$134,550
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$208,070
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$342,620
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$239,834
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.Cape Cod
CountyWESTERN CONNECTICUT
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.1975
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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(4)
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.
MEH
Ponus Ridge Middle SchoolC
Middle · Grades 6–8 · 0.9 mi
Jefferson Science Magnet SchoolC
Elementary · Grades KG–5 · 0.9 mi
McMahon High SchoolD
High · Grades 9–12 · 2.1 mi
District: Norwalk School District
Neighborhood · ZIP 06850These 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.113
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.93
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.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.23,602
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,501 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$115,282
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$144,660
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.50 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%
Owner Tools
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How this home compares
21 Coldspring 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 85% of homes in Spring Hill / Hospital Area
- Has a smaller lot than 96% of homes in Western Connecticut County
- Older than 80% of homes in Western Connecticut County
How it measures up in Norwalk 06850
The dot is this home. The mark in the middle is the typical home in Norwalk 06850.
Living area1,757 ft²
SmallerTypical 1,475 ft²Bigger
Bigger than 63% of homes nearby
Lot size0.12 ac
SmallerTypical 0.32 acBigger
Bigger than 9% of homes nearby
Year built1947
OlderTypical 1960Newer
Newer than 22% of homes nearby
| Measure | This home | Spring Hill / Hospital Area | Norwalk 06850 | Western Connecticut County |
|---|---|---|---|---|
| Living areabigger than | 1,757 ft² | 85% of homes | 63% of homes | 42% of homes |
| Lot sizebigger than | 0.12 ac | 25% of homes | 9% of homes | 4% of homes |
| Year builtnewer than | 1947 | 29% of homes | 22% of homes | 20% of homes |
About 21 Coldspring St
When did 21 Coldspring St, Norwalk, CT last sell?
21 Coldspring St, Norwalk, CT last sold on Feb 10, 2003 for $355,000, according to the county's recorded deed.
How big is 21 Coldspring St, Norwalk, CT?
21 Coldspring St, Norwalk, CT has 4 bedrooms, 2 bathrooms, 1,757 square feet of living space and a 0.12-acre lot.
When was 21 Coldspring St, Norwalk, CT built?
21 Coldspring St, Norwalk, CT was built in 1947, making it 79 years old. It is a cape cod home. The building has 2 stories.
What schools serve 21 Coldspring St, Norwalk, CT?
21 Coldspring St, Norwalk, CT is assigned to Ponus Ridge Middle School (middle), rated C; Jefferson Science Magnet School (elementary), rated C; McMahon High School (high), rated D. All sit in Norwalk School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 21 Coldspring St, Norwalk, CT compare to other homes in Norwalk 06850?
Among the 6,010 homes in Norwalk 06850, it is bigger than 63% of them (1,757 ft² against a typical 1,475 ft²), its lot is bigger than 9% of them (0.12 ac against a typical 0.32 ac) and it is newer than 22% of them (1947 against a typical 1960). 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 Coldspring St, Norwalk, CT?
The 2025 property tax bill for 21 Coldspring St, Norwalk, CT was $8,189. The county assessed it at $342,620.
More homes on Coldspring St
- 12 Coldspring St5 bd · 2.5 ba · 2,068 ft² · Sold $670K · Jul 2023
- 23 Coldspring St6 bd · 2.5 ba · 2,008 ft² · Sold $620K · Apr 2023
- 7 Coldspring St$581K3 bd · 2 ba · 1,304 ft² · Sold $435K · Oct 2022
- 13 Coldspring St5 bd · 2.5 ba · 3,164 ft² · Sold $545K · Aug 2021
- 3 Coldspring St$618K3 bd · 2 ba · 1,224 ft² · Sold $330K · Dec 2017
- 28 Coldspring St$706K3 bd · 2 ba · 1,908 ft² · Sold $260K · Jan 2017
- 2 Coldspring St$576K3 bd · 3 ba · 1,464 ft² · Sold $355K · Nov 2016
- 1 Coldspring St$751K4 bd · 2 ba · 1,872 ft² · Sold $449K · Feb 2008
- 25 Coldspring St5 bd · 2 ba · 2,314 ft² · Sold $250K · Sep 2007
- 20 Coldspring St5 bd · 3 ba · 1,638 ft² · Sold $546K · Aug 2006
- 9 Coldspring St3 bd · 3 ba · 1,568 ft² · Sold $350K · Aug 2004
- 10 Coldspring St3 bd · 2 ba · 1,666 ft² · Sold $385K · Jan 2003
Closest homes
- 23 Coldspring St50 ft · 6 bd · 2.5 ba · 2,008 ft² · Sold $620K · Apr 2023
- 19 Coldspring St60 ft · 7 bd · 3 ba · 2,702 ft² · Sold $270K · Mar 1989
- 25 Coldspring St112 ft · 5 bd · 2 ba · 2,314 ft² · Sold $250K · Sep 2007
- 87 Magnolia Ave$586K100 ft · 3 bd · 1 ba · 1,589 ft² · Sold $154K · Nov 1993
- 89 Magnolia Ave117 ft · 4 bd · 2 ba · 1,152 ft² · Sold Jan 1900
- 83 Magnolia Ave$595K112 ft · 3 bd · 2 ba · 1,377 ft² · Sold $315K · Jan 2015
- 81 1/2 Magnolia Ave133 ft · 2,614 ft² · Sold Jan 1900
- 27 Coldspring St175 ft · 4 bd · 3 ba · 1,666 ft² · Sold Jan 1900
More homes in Norwalk 06850
- 41 Ledgewood Dr$699K4 bd · 3 ba · 1,632 ft² · Sold $750K · Aug 2026
- 115 Fillow St$480K2 bd · 1.5 ba · 1,448 ft² · Sold $505K · Aug 2026
- 2 James St$699K3 bd · 2.5 ba · 1,570 ft² · Sold $695K · Aug 2026
- 6 Cliffview Dr$778K2 bd · 2 ba · 1,914 ft² · Sold $530K · Aug 2026
- 8 Mayflower Rd$799K3 bd · 2 ba · 1,715 ft² · Sold $765K · Aug 2026
- 115 Fillow St$479K2 bd · 1.5 ba · 1,448 ft² · Sold $490K · Aug 2026
- 175 Silvermine Ave$841K0.56 ac · Sold $450K · Aug 2026
- 3 Princes Pine Rd$450K3 bd · 1 ba · 1,125 ft² · Sold $475K · Aug 2026
- 20 Glenrock2 bd · 2.5 ba · 1,558 ft² · Sold $565K · Aug 2026
- 11 Lycett Ct$611K4 bd · 2.5 ba · 1,300 ft² · Sold $665K · Aug 2026
- 8 Huckleberry Dr S$865K4 bd · 2.5 ba · 2,422 ft² · Sold $950K · Aug 2026
- 2 Rising Rd$949K5 bd · 3 ba · 2,432 ft² · Sold $1M · Aug 2026
Assigned schools
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