Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$284,334$189 / 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 91How 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

61 DENISON AVE

GROTON, CT 06340
4
Beds
2.5
Baths
1,502 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1948
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$284K
$260K low$309K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,252 (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.$147,070 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$81,557
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$65,513
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$147,070
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$102,949

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.30
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
5
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
48
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
81
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
16
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.Cape Cod
CountySOUTHEASTERN CONNECTICUT
Lot (acres)The size of the land the home sits on, from county records.0.17
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

E
Thames River Magnet SchoolB-
Elementary · Grades PK–5 · 1.8 mi
M
Groton Middle SchoolC
Middle · Grades 6–8 · 3.2 mi
H
Robert E. Fitch High SchoolC
High · Grades 9–12 · 3.4 mi

District: Groton School District

Neighborhood · ZIP 06340These 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.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.56

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.27,657
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.992 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,998
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$95,942
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.49 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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

61 Denison Ave 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 86% of homes in Southeastern Connecticut County
  • Costs less per square foot than 94% of homes in Groton 06340
  • Has a smaller lot than 89% of homes in Southeastern Connecticut County
  • Older than 75% of homes in Southeastern Connecticut County

What homes are worth in Groton 06340

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

This home
$193K$2.1M

This home is worth more than 20% of homes in Groton 06340.

How it measures up in Groton 06340

The dot is this home. The mark in the middle is the typical home in Groton 06340.

Estimated value$284,334
CheaperTypical $384,571Pricier

Pricier than 20% of homes nearby

Price per ft²$189
CheaperTypical $281Pricier

Pricier than 6% of homes nearby

Living area1,502 ft²
SmallerTypical 1,425 ft²Bigger

Bigger than 55% of homes nearby

Lot size0.16 ac
SmallerTypical 0.28 acBigger

Bigger than 18% of homes nearby

Year built1948
OlderTypical 1960Newer

Newer than 33% of homes nearby

How 61 Denison Ave ranks against every home in each area.
MeasureThis homeGroton 06340Southeastern Connecticut County
Estimated valuepricier than$284,33420% of homes14% of homes
Price per ft²pricier than$1896% of homes9% of homes
Living areabigger than1,502 ft²55% of homes50% of homes
Lot sizebigger than0.16 ac18% of homes11% of homes
Year builtnewer than194833% of homes25% of homes

About 61 Denison Ave

How much is 61 Denison Ave, Groton, CT worth?

The TopHap Estimate for 61 Denison Ave, Groton, CT is $284,334 as of Aug 30, 2026. The likely range is $259,915 to $308,753. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 61 Denison Ave, Groton, CT last sell?

61 Denison Ave, Groton, CT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 61 Denison Ave, Groton, CT?

61 Denison Ave, Groton, CT has 4 bedrooms, 2.5 bathrooms, 1,502 square feet of living space and a 0.17-acre lot.

When was 61 Denison Ave, Groton, CT built?

61 Denison Ave, Groton, CT was built in 1948, making it 78 years old. It is a cape cod home. The building has 2 stories.

What schools serve 61 Denison Ave, Groton, CT?

61 Denison Ave, Groton, CT is assigned to Thames River Magnet School (elementary), rated B-; Groton Middle School (middle), rated C; Robert E. Fitch High School (high), rated C. All sit in Groton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 61 Denison Ave, Groton, CT compare to other homes in Groton 06340?

Among the 7,236 homes in Groton 06340, it is worth more than 20% of them ($284,334 against a typical $384,571), its price per square foot is higher than 6% of them ($189 against a typical $281), it is bigger than 55% of them (1,502 ft² against a typical 1,425 ft²), its lot is bigger than 18% of them (0.16 ac against a typical 0.28 ac) and it is newer than 33% of them (1948 against a typical 1960). Measured against all of Southeastern Connecticut County, it is worth more than 14% 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 61 Denison Ave, Groton, CT?

The 2025 property tax bill for 61 Denison Ave, Groton, CT was $4,252. The county assessed it at $147,070.

More homes on Denison Ave

Closest homes

More homes in Groton 06340

Assigned schools

Explore the area

See this home in context

Open 61 Denison Ave 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