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Single Family ResidenceResidential
$267,524$193 / 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 95How 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

21 MAIN ST

NORTH GROSVENORDALE, CT 06255
4
Beds
1
Baths
1,387 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1904
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

$268K
$254K low$281K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,251 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$171,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$32,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$138,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$106,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$119,770

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.45
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
14
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
55
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
90
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
32
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 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.0.2 percent flood zone

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.Cape Cod
CountyNORTHEASTERN CONNECTICUT
Lot (acres)The size of the land the home sits on, from county records.0.21
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
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(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.

H
Tourtellotte Memorial High SchoolC+
High · Grades 9–12 · 0.3 mi
M
Thompson Middle SchoolB-
Middle · Grades 5–8 · 0.3 mi
E
Mary R. Fisher Elementary SchoolB-
Elementary · Grades PK–4 · 0.3 mi

District: Thompson School District

Neighborhood · ZIP 06255These 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.73
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.54

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.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.7%
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.5,314
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.222 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,445
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,261
Average tempThe average temperature here across a full year.48°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.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 Main 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 91% of homes in Northeastern Connecticut County
  • Costs less per square foot than 87% of homes in North Grosvenordale 06255
  • Has a smaller lot than 95% of homes in North Grosvenordale 06255
  • Older than 88% of homes in Northeastern Connecticut County

What homes are worth in North Grosvenordale 06255

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

This home
$207K$665K

This home is worth more than 10% of homes in North Grosvenordale 06255.

How it measures up in North Grosvenordale 06255

The dot is this home. The mark in the middle is the typical home in North Grosvenordale 06255.

Estimated value$267,524
CheaperTypical $363,590Pricier

Pricier than 10% of homes nearby

Price per ft²$193
CheaperTypical $251Pricier

Pricier than 13% of homes nearby

Living area1,387 ft²
SmallerTypical 1,470 ft²Bigger

Bigger than 44% of homes nearby

Lot size0.21 ac
SmallerTypical 1.21 acBigger

Bigger than 5% of homes nearby

Year built1904
OlderTypical 1968Newer

Newer than 13% of homes nearby

How 21 Main St ranks against every home in each area.
MeasureThis homeNorth Grosvenordale 06255Northeastern Connecticut County
Estimated valuepricier than$267,52410% of homes9% of homes
Price per ft²pricier than$19313% of homes13% of homes
Living areabigger than1,387 ft²44% of homes43% of homes
Lot sizebigger than0.21 ac5% of homes7% of homes
Year builtnewer than190413% of homes12% of homes

About 21 Main St

How much is 21 Main St, North Grosvenordale, CT worth?

The TopHap Estimate for 21 Main St, North Grosvenordale, CT is $267,524 as of Aug 30, 2026. The likely range is $253,566 to $281,482. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Main St, North Grosvenordale, CT last sell?

21 Main St, North Grosvenordale, CT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Main St, North Grosvenordale, CT?

21 Main St, North Grosvenordale, CT has 4 bedrooms, 1 bathrooms, 1,387 square feet of living space and a 0.21-acre lot.

When was 21 Main St, North Grosvenordale, CT built?

21 Main St, North Grosvenordale, CT was built in 1904, making it 122 years old. It is a cape cod home. The building has 2 stories.

What schools serve 21 Main St, North Grosvenordale, CT?

21 Main St, North Grosvenordale, CT is assigned to Tourtellotte Memorial High School (high), rated C+; Thompson Middle School (middle), rated B-; Mary R. Fisher Elementary School (elementary), rated B-. All sit in Thompson School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Main St, North Grosvenordale, CT compare to other homes in North Grosvenordale 06255?

Among the 1,640 homes in North Grosvenordale 06255, it is worth more than 10% of them ($267,524 against a typical $363,590), its price per square foot is higher than 13% of them ($193 against a typical $251), it is bigger than 44% of them (1,387 ft² against a typical 1,470 ft²), its lot is bigger than 5% of them (0.21 ac against a typical 1.21 ac) and it is newer than 13% of them (1904 against a typical 1968). Measured against all of Northeastern Connecticut County, it is worth more than 9% 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 Main St, North Grosvenordale, CT?

The 2024 property tax bill for 21 Main St, North Grosvenordale, CT was $3,251. The county assessed it at $171,100.

More homes on Main St

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Assigned schools

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