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CondominiumResidential
Last sold for $250,000 on Aug 30, 2024

20 3RD ST

STAMFORD, CT 06905
2017
Year BuiltThe year the home was originally built, according to county records.
Built 201522 units792–1,687 ft²
$17M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$779K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$505
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+5.3%vs the Stamford ZIP median sale $/ft² ($480)

Sales Performance

$770K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
+9.8%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
4
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
18.2%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+4.5%per yeartypical hold 3.5 yrsfrom 7 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
20182019202020222023202420252026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
20182019202020222023202420252026

28 arms-length sales on record for this building.

Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.

Every unit: size vs estimated valueEvery unit in the building as one dot: across is its size, up is our current value estimate, and color is its bedroom count. Vertical columns of dots are recurring floor plans; the height spread within a column shows how much floor, view and condition move prices for the same layout.
$308K$497K$685K$873K792 ft²971 ft²1,150 ft²1,329 ft²1,508 ft²1,687 ft²
2 bd3 bd
2 bed
1 unit
3 bed
21 units
Recurring floor plansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
3 bd · 2.5 ba · 1,485 ft²
5 units
3 bd · 2.5 ba · 1,492 ft²
2 units
3 bd · 2.5 ba · 1,599 ft²
2 units
3 bd · 2.5 ba · 1,623 ft²
2 units
3 bd · 2.5 ba · 1,667 ft²
2 units
3 bd · 2.5 ba · 1,687 ft²
2 units
One-off layouts
7 units

Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.

$308K–$308K
1 unit
$733K–$780K
11 units
$811K–$873K
10 units

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.64%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.18%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.3.5 yrs
Cash purchases (5 yrs)The share of purchases in the last 5 years with no mortgage recorded. High cash share is common in second-home and investor buildings.26%
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.48%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$738,653
Median tax billThe middle annual property tax bill among the building's units.$9,339
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.0

Recent SalesThe latest recorded arms-length sales in the building, newest first.

Unit 6Oct 19, 2026$812,000Unit 14Aug 7, 2026$726,000Unit 23Jul 30, 2026$845,000Unit 11Jul 10, 2026$728,000Unit 4Sep 18, 2025$831,000Unit 16Feb 27, 2025$701,000Unit 17Jan 16, 2025$280,000BuildingAug 30, 2024$250,000Unit 11Oct 10, 2023$583,334Unit 18Oct 10, 2023$583,334

Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,259 (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.$178,040 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$178,040
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$178,040
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$124,628

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyWESTERN CONNECTICUT
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
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(5)

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
Cloonan SchoolD+
Middle · Grades 6–8 · 0.4 mi
E
Hart SchoolC
Elementary · Grades KG–5 · 0.5 mi
H
Westhill High SchoolD
High · Grades 9–12 · 2.2 mi

District: Stamford School District

Neighborhood · ZIP 06905These 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.98
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.116
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.95

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.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.5%
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.25,946
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,098 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$126,763
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$154,609
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%

All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.

20 3rd St
2 bd · 1.5 ba · 752 ft²
20 3rd St # 1
3 bd · 2.5 ba · 1,687 ft²
$844K
20 3rd St
3 bd · 2.5 ba · 1,667 ft²
$837K
20 3rd St
3 bd · 2.5 ba · 1,667 ft²
$857K
20 3rd St # 4
3 bd · 2.5 ba · 1,687 ft²
$831K
20 3rd St # 5
3 bd · 2.5 ba · 1,623 ft²
$850K
20 3rd St # 6
3 bd · 2.5 ba · 1,599 ft²
$829K
20 3rd St # 7
3 bd · 2.5 ba · 1,599 ft²
$837K
20 3rd St # 8
3 bd · 2.5 ba · 1,623 ft²
$873K
20 3rd St # 9
3 bd · 2.5 ba · 1,492 ft²
$765K
20 3rd St # 10
3 bd · 2.5 ba · 1,485 ft²
$780K
20 3rd St # 11
3 bd · 2.5 ba · 1,485 ft²
$738K
20 3rd St # 12
3 bd · 2.5 ba · 1,485 ft²
$740K
20 3rd St # 13
3 bd · 2.5 ba · 1,485 ft²
$770K
20 3rd St # 14
3 bd · 2.5 ba · 1,485 ft²
$733K
20 3rd St # 15
3 bd · 2.5 ba · 1,492 ft²
$771K
20 3rd St # 16
3 bd · 2.5 ba · 1,555 ft²
$768K
20 3rd St # 17
2 bd · 1.5 ba · 792 ft²
$308K
20 3rd St # 18
3 bd · 2.5 ba · 1,545 ft²
$740K
20 3rd St # 19
3 bd · 2.5 ba · 1,610 ft²
$739K
20 3rd St # 21
3 bd · 2.5 ba · 1,611 ft²
$778K
20 3rd St # 22
3 bd · 2.5 ba · 1,575 ft²
$811K
20 3rd St # 23
3 bd · 2.5 ba · 1,684 ft²
$857K

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

About 20 3rd St

How many units are in 20 3rd St, Stamford, CT?

20 3rd St, Stamford, CT has 22 residential units across built in 2015, according to county assessor records.

What is a unit at 20 3rd St, Stamford, CT worth?

The median TopHap Estimate across the 22 units at 20 3rd St, Stamford, CT is $779,119. That works out to $505 per square foot. Units run from 792 to 1,687 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 20 3rd St, Stamford, CT expensive for Stamford?

Units at 20 3rd St, Stamford, CT carry a median of $505 per square foot, 5% above the Stamford median of $480 per square foot.

How often do units sell at 20 3rd St, Stamford, CT?

4 units at 20 3rd St, Stamford, CT sold in the last 12 months, out of 28 recorded arms-length sales all time. That is a turnover rate of 18.2% of the building per year. The median sale over that period was $770K.

Have units at 20 3rd St, Stamford, CT appreciated?

Across 7 repeat sales of the same unit, 20 3rd St, Stamford, CT returned a median 4.5% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 3.5 years.

What floor plans does 20 3rd St, Stamford, CT have?

The most common plan at 20 3rd St, Stamford, CT is a 3-bedroom of 1,485 square feet, repeated 5 times, with a median estimate of $739,500. TopHap identifies 6 recurring plans in the building.

More homes on 3rd St

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Assigned schools

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