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Single Family ResidenceResidential
$473,815$224 / 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 97How 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

6 MILL ST

OLD MYSTIC, CT 06372
3
Beds
2
Baths
2,116 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.
1.62 ac
Lot SizeThe size of the land the home sits on, from county records.
1815
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.

Valuation

$474K
$458K low$490K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,182 (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.$347,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$121,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$226,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$243,110

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.54
99
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
25
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
51
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.108 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.86%
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.1 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.Historical
CountySOUTHEASTERN CONNECTICUT
Lot (acres)The size of the land the home sits on, from county records.1.62
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
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(1)

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
Northeast Academy Arts Magnet SchoolB
Elementary · Grades PK–5 · 1.4 mi
M
Groton Middle SchoolC
Middle · Grades 6–8 · 4.2 mi
H
Robert E. Fitch High SchoolC
High · Grades 9–12 · 4.3 mi

District: Groton School District

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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

6 Mill 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 more than 65% of homes in Southeastern Connecticut County
  • Costs less per square foot than 77% of homes in Southeastern Connecticut County
  • Bigger than 76% of homes in Southeastern Connecticut County
  • Has a bigger lot than 79% of homes in Southeastern Connecticut County
  • Among the oldest homes in Southeastern Connecticut County

What homes are worth in Southeastern Connecticut County

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

This home
$474K$762K

This home is worth more than 33% of homes in Southeastern Connecticut County.

How it measures up in Southeastern Connecticut County

The dot is this home. The mark in the middle is the typical home in Southeastern Connecticut County.

Estimated value$473,815
CheaperTypical $406,422Pricier

Pricier than 65% of homes nearby

Price per ft²$224
CheaperTypical $273Pricier

Pricier than 23% of homes nearby

Living area2,116 ft²
SmallerTypical 1,512 ft²Bigger

Bigger than 76% of homes nearby

Lot size1.62 ac
SmallerTypical 0.51 acBigger

Bigger than 79% of homes nearby

Year built1815
OlderTypical 1968Newer

Older than almost all homes nearby

How 6 Mill St ranks against every home in each area.
MeasureThis homeSoutheastern Connecticut County
Estimated valuepricier than$473,81565% of homes
Price per ft²pricier than$22423% of homes
Living areabigger than2,116 ft²76% of homes
Lot sizebigger than1.62 ac79% of homes
Year builtnewer than1815almost no homes

About 6 Mill St

How much is 6 Mill St, Old Mystic, CT worth?

The TopHap Estimate for 6 Mill St, Old Mystic, CT is $473,815 as of Aug 30, 2026. The likely range is $458,079 to $489,551. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6 Mill St, Old Mystic, CT last sell?

6 Mill St, Old Mystic, CT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 6 Mill St, Old Mystic, CT?

6 Mill St, Old Mystic, CT has 3 bedrooms, 2 bathrooms, 2,116 square feet of living space and a 1.62-acre lot.

When was 6 Mill St, Old Mystic, CT built?

6 Mill St, Old Mystic, CT was built in 1815, making it 211 years old. It is a historical home. The building has 2 stories.

What schools serve 6 Mill St, Old Mystic, CT?

6 Mill St, Old 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 6 Mill St, Old Mystic, CT compare to other homes in Southeastern Connecticut County?

Among the 91,660 homes in Southeastern Connecticut County, it is worth more than 65% of them ($473,815 against a typical $406,422), its price per square foot is higher than 23% of them ($224 against a typical $273), it is bigger than 76% of them (2,116 ft² against a typical 1,512 ft²), its lot is bigger than 79% of them (1.62 ac against a typical 0.51 ac) and it is newer than almost none of them (1815 against a typical 1968). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 6 Mill St, Old Mystic, CT?

The 2024 property tax bill for 6 Mill St, Old Mystic, CT was $7,182. The county assessed it at $347,300.

More homes on Mill St

Closest homes

More homes in Old Mystic 06372

Assigned schools

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