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Duplex (2 Units, Any Combination)Residential
Last sold for $417,000 on Feb 17, 2026

684 MAIN ST

PLYMOUTH, CT 06782
3
Beds
3
Baths
3,445 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.
3.09 ac
Lot SizeThe size of the land the home sits on, from county records.
1880
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

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$417,000 · Feb 17, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,551 (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.$140,280 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$55,370
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$84,910
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$140,280
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$98,196

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.48
43
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
12
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
56
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
98
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.9 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

Scores 0–100; higher = greater projected risk.

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
CountyNAUGATUCK VALLEY
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.1982
Lot (acres)The size of the land the home sits on, from county records.3.09
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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
Plymouth Center School
Elementary · Grades PK–2 · 0.5 mi
H
Terryville High SchoolB
High · Grades 9–12 · 1.4 mi
M
Eli Terry Jr. Middle SchoolB-
Middle · Grades 6–8 · 2.2 mi

District: Plymouth School District

Neighborhood · ZIP 06782These 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.95
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
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.94%
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.9.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.1,870
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.249 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$101,979
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$111,882
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

684 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.

  • Bigger than 98% of homes in Plymouth 06782
  • Has a bigger lot than 96% of homes in Naugatuck Valley County
  • Older than 98% of homes in Naugatuck Valley County

How it measures up in Plymouth 06782

The dot is this home. The mark in the middle is the typical home in Plymouth 06782.

Living area3,445 ft²
SmallerTypical 1,504 ft²Bigger

Bigger than 98% of homes nearby

Lot size3.09 ac
SmallerTypical 0.92 acBigger

Bigger than 86% of homes nearby

Year built1880
OlderTypical 1961Newer

Newer than 9% of homes nearby

How 684 Main St ranks against every home in each area.
MeasureThis homePlymouth 06782Naugatuck Valley County
Living areabigger than3,445 ft²98% of homes96% of homes
Lot sizebigger than3.09 ac86% of homes96% of homes
Year builtnewer than18809% of homes2% of homes

About 684 Main St

When did 684 Main St, Plymouth, CT last sell?

684 Main St, Plymouth, CT last sold on Feb 17, 2026 for $417,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 684 Main St, Plymouth, CT?

684 Main St, Plymouth, CT has 3 bedrooms, 3 bathrooms, 3,445 square feet of living space and a 3.09-acre lot.

When was 684 Main St, Plymouth, CT built?

684 Main St, Plymouth, CT was built in 1880, making it 146 years old. It is a duplex single home. The building has 2 stories.

What schools serve 684 Main St, Plymouth, CT?

684 Main St, Plymouth, CT is assigned to Plymouth Center School (elementary); Terryville High School (high), rated B; Eli Terry Jr. Middle School (middle), rated B-. All sit in Plymouth School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 684 Main St, Plymouth, CT compare to other homes in Plymouth 06782?

Among the 926 homes in Plymouth 06782, it is bigger than 98% of them (3,445 ft² against a typical 1,504 ft²), its lot is bigger than 86% of them (3.09 ac against a typical 0.92 ac) and it is newer than 9% of them (1880 against a typical 1961). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 684 Main St, Plymouth, CT?

The 2025 property tax bill for 684 Main St, Plymouth, CT was $5,551. The county assessed it at $140,280.

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