Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$670,845$499 / 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 Aug 30, 2026

20 DERWEN ST

STAMFORD, CT 06906
3
Beds
1.5
Baths
1,344 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1939
Year BuiltThe year the home was originally built, according to county records.
1
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

$671K
$622K low$720K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,026 (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.$339,210 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$221,550
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$117,660
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$339,210
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$237,447

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.14 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.Ranch
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.1950
Lot (acres)The size of the land the home sits on, from county records.0.20
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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.

M
Dolan SchoolC-
Middle · Grades 6–8 · 0.2 mi
E
Julia A. Stark SchoolC
Elementary · Grades KG–5 · 0.6 mi
H
Stamford High SchoolD
High · Grades 9–12 · 1.1 mi

District: Stamford School District

Neighborhood · ZIP 06906These 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.84
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 100.96

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.28%
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.10,703
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.9,439 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$102,130
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$130,161
Average tempThe average temperature here across a full year.52°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

20 Derwen 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 69% of homes in Belltown
  • Costs more per square foot than 86% of homes in Stamford 06906
  • Smaller than 81% of homes in Belltown
  • Has a smaller lot than 82% of homes in Western Connecticut County
  • Older than 83% of homes in Western Connecticut County

What homes are worth in Stamford 06906

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

This home
$294K$1.2M

This home is worth more than 51% of homes in Stamford 06906.

How it measures up in Stamford 06906

The dot is this home. The mark in the middle is the typical home in Stamford 06906.

Estimated value$670,845
CheaperTypical $666,283Pricier

Pricier than 51% of homes nearby

Price per ft²$499
CheaperTypical $400Pricier

Pricier than 86% of homes nearby

Living area1,344 ft²
SmallerTypical 1,716 ft²Bigger

Bigger than 27% of homes nearby

Lot size0.2 ac
SmallerTypical 0.19 acBigger

Bigger than 57% of homes nearby

Year built1939
OlderTypical 1955Newer

Newer than 31% of homes nearby

How 20 Derwen St ranks against every home in each area.
MeasureThis homeBelltownStamford 06906Western Connecticut County
Estimated valuepricier than$670,84531% of homes51% of homes41% of homes
Price per ft²pricier than$49981% of homes86% of homes66% of homes
Living areabigger than1,344 ft²19% of homes27% of homes26% of homes
Lot sizebigger than0.2 ac46% of homes57% of homes18% of homes
Year builtnewer than193932% of homes31% of homes17% of homes

About 20 Derwen St

How much is 20 Derwen St, Stamford, CT worth?

The TopHap Estimate for 20 Derwen St, Stamford, CT is $670,845 as of Aug 30, 2026. The likely range is $622,051 to $719,639. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Derwen St, Stamford, CT last sell?

20 Derwen St, Stamford, CT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 20 Derwen St, Stamford, CT?

20 Derwen St, Stamford, CT has 3 bedrooms, 1.5 bathrooms, 1,344 square feet of living space and a 0.20-acre lot.

When was 20 Derwen St, Stamford, CT built?

20 Derwen St, Stamford, CT was built in 1939, making it 87 years old. It is a ranch home. The building has 1 story.

What schools serve 20 Derwen St, Stamford, CT?

20 Derwen St, Stamford, CT is assigned to Dolan School (middle), rated C-; Julia A. Stark School (elementary), rated C; Stamford High School (high), rated D. All sit in Stamford School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Derwen St, Stamford, CT compare to other homes in Stamford 06906?

Among the 2,834 homes in Stamford 06906, it is worth more than 51% of them ($670,845 against a typical $666,283), its price per square foot is higher than 86% of them ($499 against a typical $400), it is bigger than 27% of them (1,344 ft² against a typical 1,716 ft²), its lot is bigger than 57% of them (0.2 ac against a typical 0.19 ac) and it is newer than 31% of them (1939 against a typical 1955). Measured against all of Western Connecticut County, it is worth more than 41% 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 20 Derwen St, Stamford, CT?

The 2025 property tax bill for 20 Derwen St, Stamford, CT was $8,026. The county assessed it at $339,210.

More homes on Derwen St

Closest homes

More homes in Stamford 06906

Assigned schools

Explore the area

See this home in context

Open 20 Derwen 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