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Duplex (2 Units, Any Combination)Residential

21 FOREST AVE

MYSTIC, CT 06355
4
Beds
3 / 2
Baths
2,806 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.
1.42 ac
Lot SizeThe size of the land the home sits on, from county records.
1982
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,322 (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.$268,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$118,160
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$149,940
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$268,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$187,670

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountySOUTHEASTERN 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.1999
Lot (acres)The size of the land the home sits on, from county records.1.42
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
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(6)

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(1)

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

E
Northeast Academy Arts Magnet SchoolB
Elementary · Grades PK–5 · 1.2 mi
M
Groton Middle SchoolC
Middle · Grades 6–8 · 3.1 mi
H
Robert E. Fitch High SchoolC
High · Grades 9–12 · 3.4 mi

District: Groton School District

Neighborhood · ZIP 06355These 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.64
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.55

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.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.2%
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.10,797
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.722 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$124,279
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$137,807
Average tempThe average temperature here across a full year.50°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%

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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 Forest 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.

  • Bigger than 92% of homes in Southeastern Connecticut County
  • Has a bigger lot than 92% of homes in Mystic 06355
  • Newer than 66% of homes in Southeastern Connecticut County

How it measures up in Mystic 06355

The dot is this home. The mark in the middle is the typical home in Mystic 06355.

Living area2,806 ft²
SmallerTypical 1,731 ft²Bigger

Bigger than 91% of homes nearby

Lot size1.42 ac
SmallerTypical 0.39 acBigger

Bigger than 92% of homes nearby

Year built1982
OlderTypical 1967Newer

Newer than 62% of homes nearby

How 21 Forest Ave ranks against every home in each area.
MeasureThis homeMystic 06355Southeastern Connecticut County
Living areabigger than2,806 ft²91% of homes92% of homes
Lot sizebigger than1.42 ac92% of homes76% of homes
Year builtnewer than198262% of homes66% of homes

About 21 Forest Ave

When did 21 Forest Ave, Mystic, CT last sell?

21 Forest Ave, Mystic, CT last sold on Jan 1, 1900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 Forest Ave, Mystic, CT?

21 Forest Ave, Mystic, CT has 4 bedrooms, 3 bathrooms, 2,806 square feet of living space and a 1.42-acre lot.

When was 21 Forest Ave, Mystic, CT built?

21 Forest Ave, Mystic, CT was built in 1982, making it 44 years old. It is a duplex single home. The building has 2 stories.

What schools serve 21 Forest Ave, Mystic, CT?

21 Forest Ave, Mystic, CT is assigned to Northeast Academy Arts 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 21 Forest Ave, Mystic, CT compare to other homes in Mystic 06355?

Among the 5,148 homes in Mystic 06355, it is bigger than 91% of them (2,806 ft² against a typical 1,731 ft²), its lot is bigger than 92% of them (1.42 ac against a typical 0.39 ac) and it is newer than 62% of them (1982 against a typical 1967). 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 Forest Ave, Mystic, CT?

The 2025 property tax bill for 21 Forest Ave, Mystic, CT was $7,322. The county assessed it at $268,100.

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