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Single Family ResidenceResidential
$521,014$233 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

21A RIVER RD

PRESTON, CT 06365
3
Beds
1.5
Baths
2,238 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.
15.92 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
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

$521K
$479K low$563K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,637 (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.$304,150 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$100,940
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$203,210
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$212,905

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.51
78
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.
51
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
82
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.63 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.Rustic
CountySOUTHEASTERN CONNECTICUT
Lot (acres)The size of the land the home sits on, from county records.15.92
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
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.Carport (Unspecified)
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(8)

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
Preston Veterans' Memorial SchoolC
Elementary · Grades PK–5 · 2.2 mi
H
Norwich Free AcademyC-
High · Grades 9–12 · 3.5 mi
M
Preston Plains Middle SchoolB
Middle · Grades 6–8 · 4.5 mi

District: Norwich Free Academy District

Neighborhood · ZIP 06365These 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.30
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 100.60

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.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.1.9%
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.4,841
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.153 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$104,111
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$123,885
Average tempThe average temperature here across a full year.50°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

21a River Rd 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 78% of homes in Preston 06365
  • Costs less per square foot than 75% of homes in Southeastern Connecticut County
  • Bigger than 80% of homes in Southeastern Connecticut County
  • Has a bigger lot than 98% of homes in Southeastern Connecticut County
  • Newer than 73% of homes in Southeastern Connecticut County

What homes are worth in Preston 06365

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

This home
$238K$711K

This home is worth more than 78% of homes in Preston 06365.

How it measures up in Preston 06365

The dot is this home. The mark in the middle is the typical home in Preston 06365.

Estimated value$521,014
CheaperTypical $409,401Pricier

Pricier than 78% of homes nearby

Price per ft²$233
CheaperTypical $257Pricier

Pricier than 34% of homes nearby

Living area2,238 ft²
SmallerTypical 1,642 ft²Bigger

Bigger than 78% of homes nearby

Lot size15.92 ac
SmallerTypical 1.63 acBigger

Bigger than 93% of homes nearby

Year built1987
OlderTypical 1973Newer

Newer than 68% of homes nearby

How 21a River Rd ranks against every home in each area.
MeasureThis homePreston 06365Southeastern Connecticut County
Estimated valuepricier than$521,01478% of homes72% of homes
Price per ft²pricier than$23334% of homes25% of homes
Living areabigger than2,238 ft²78% of homes80% of homes
Lot sizebigger than15.92 ac93% of homes98% of homes
Year builtnewer than198768% of homes73% of homes

About 21a River Rd

How much is 21a River Rd, Preston, CT worth?

The TopHap Estimate for 21a River Rd, Preston, CT is $521,014 as of Jul 14, 2026. The likely range is $478,858 to $563,170. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21a River Rd, Preston, CT last sell?

21a River Rd, Preston, CT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21a River Rd, Preston, CT?

21a River Rd, Preston, CT has 3 bedrooms, 1.5 bathrooms, 2,238 square feet of living space and a 15.92-acre lot.

When was 21a River Rd, Preston, CT built?

21a River Rd, Preston, CT was built in 1987, making it 39 years old. It is a rustic home. The building has 2 stories.

What schools serve 21a River Rd, Preston, CT?

21a River Rd, Preston, CT is assigned to Preston Veterans' Memorial School (elementary), rated C; Norwich Free Academy (high), rated C-; Preston Plains Middle School (middle), rated B. All sit in Norwich Free Academy District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21a River Rd, Preston, CT compare to other homes in Preston 06365?

Among the 1,969 homes in Preston 06365, it is worth more than 78% of them ($521,014 against a typical $409,401), its price per square foot is higher than 34% of them ($233 against a typical $257), it is bigger than 78% of them (2,238 ft² against a typical 1,642 ft²), its lot is bigger than 93% of them (15.92 ac against a typical 1.63 ac) and it is newer than 68% of them (1987 against a typical 1973). Measured against all of Southeastern Connecticut County, it is worth more than 72% 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 21a River Rd, Preston, CT?

The 2024 property tax bill for 21a River Rd, Preston, CT was $7,637. The county assessed it at $304,150.

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