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Duplex (2 Units, Any Combination)Residential
Last sold for $209,999 on Feb 20, 2019

21 CARLSON ST

BRISTOL, CT 06010
5
Beds
3
Baths
1,993 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.
0.27 ac
Lot SizeThe size of the land the home sits on, from county records.
1914
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
11
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.$209,999 · Feb 20, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,682 (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.$168,350 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$34,580
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$133,770
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$168,350
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$117,845

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
CountyNAUGATUCK VALLEY
Lot (acres)The size of the land the home sits on, from county records.0.27
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Steam
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(8)

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(2)

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

H
Bristol Central High SchoolB
High · Grades 9–12 · 0.9 mi
E
Greene-Hills SchoolC+
Elementary · Grades KG–8 · 2.4 mi

District: Bristol School District

Neighborhood · ZIP 06010These 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.114
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
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.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.4%
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.62,379
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,338 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,481
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$95,924
Average tempThe average temperature here across a full year.48°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.56%

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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

21 Carlson 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 80% of homes in Bristol 06010
  • Has a smaller lot than 66% of homes in Naugatuck Valley County
  • Older than 93% of homes in Bristol 06010

How it measures up in Bristol 06010

The dot is this home. The mark in the middle is the typical home in Bristol 06010.

Living area1,993 ft²
SmallerTypical 1,380 ft²Bigger

Bigger than 80% of homes nearby

Lot size0.27 ac
SmallerTypical 0.29 acBigger

Bigger than 45% of homes nearby

Year built1914
OlderTypical 1965Newer

Newer than 7% of homes nearby

How 21 Carlson St ranks against every home in each area.
MeasureThis homeBristol 06010Naugatuck Valley County
Living areabigger than1,993 ft²80% of homes71% of homes
Lot sizebigger than0.27 ac45% of homes34% of homes
Year builtnewer than19147% of homes9% of homes

About 21 Carlson St

When did 21 Carlson St, Bristol, CT last sell?

21 Carlson St, Bristol, CT last sold on Feb 20, 2019 for $209,999, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 21 Carlson St, Bristol, CT?

21 Carlson St, Bristol, CT has 5 bedrooms, 3 bathrooms, 1,993 square feet of living space and a 0.27-acre lot.

When was 21 Carlson St, Bristol, CT built?

21 Carlson St, Bristol, CT was built in 1914, making it 112 years old. The building has 1 story.

What schools serve 21 Carlson St, Bristol, CT?

21 Carlson St, Bristol, CT is assigned to Bristol Central High School (high), rated B; Greene-Hills School (elementary), rated C+. All sit in Bristol School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Carlson St, Bristol, CT compare to other homes in Bristol 06010?

Among the 19,325 homes in Bristol 06010, it is bigger than 80% of them (1,993 ft² against a typical 1,380 ft²), its lot is bigger than 45% of them (0.27 ac against a typical 0.29 ac) and it is newer than 7% of them (1914 against a typical 1965). 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 Carlson St, Bristol, CT?

The 2025 property tax bill for 21 Carlson St, Bristol, CT was $5,682. The county assessed it at $168,350.

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Assigned schools

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