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Single Family ResidenceResidential
$381,009$297 / 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 94How 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
Last sold for $323,000 on Jul 24, 2023

20 GLEN GROVE ROAD EXT

DEEP RIVER, CT 06417
3
Beds
1.5
Baths
1,284 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.
1.59 ac
Lot SizeThe size of the land the home sits on, from county records.
1978
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$381K
$358K low$404K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$323,000 · Jul 24, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,791 (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.$149,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$53,480
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$96,320
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$104,860

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.41
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
18
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
53
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
94
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
39
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.Colonial
CountyLOWER CONNECTICUT RIVER VALLEY
Lot (acres)The size of the land the home sits on, from county records.1.59
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
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.

M
John Winthrop Middle SchoolC
Middle · Grades 7–8 · 1.8 mi
H
Valley Regional High SchoolB
High · Grades 9–12 · 2.4 mi
E
Deep River Elementary SchoolB+
Elementary · Grades PK–6 · 3.5 mi

District: Regional High School District 04

Neighborhood · ZIP 06417These 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.97
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.119
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.59

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.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.4,099
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.283 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$96,978
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$123,568
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.50 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

20 Glen Grove Road Ext 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 74% of homes in Lower Connecticut River Valley County
  • Smaller than 70% of homes in Lower Connecticut River Valley County
  • Has a bigger lot than 74% of homes in Lower Connecticut River Valley County
  • Newer than 68% of homes in Deep River 06417

What homes are worth in Deep River 06417

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

This home
$213K$1.7M

This home is worth more than 30% of homes in Deep River 06417.

How it measures up in Deep River 06417

The dot is this home. The mark in the middle is the typical home in Deep River 06417.

Estimated value$381,009
CheaperTypical $441,312Pricier

Pricier than 30% of homes nearby

Price per ft²$297
CheaperTypical $281Pricier

Pricier than 62% of homes nearby

Living area1,284 ft²
SmallerTypical 1,591 ft²Bigger

Bigger than 32% of homes nearby

Lot size1.59 ac
SmallerTypical 1 acBigger

Bigger than 66% of homes nearby

Year built1978
OlderTypical 1966Newer

Newer than 68% of homes nearby

How 20 Glen Grove Road Ext ranks against every home in each area.
MeasureThis homeDeep River 06417Lower Connecticut River Valley County
Estimated valuepricier than$381,00930% of homes26% of homes
Price per ft²pricier than$29762% of homes52% of homes
Living areabigger than1,284 ft²32% of homes30% of homes
Lot sizebigger than1.59 ac66% of homes74% of homes
Year builtnewer than197868% of homes60% of homes

About 20 Glen Grove Road Ext

How much is 20 Glen Grove Road Ext, Deep River, CT worth?

The TopHap Estimate for 20 Glen Grove Road Ext, Deep River, CT is $381,009 as of Jul 14, 2026. The likely range is $358,384 to $403,634. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Glen Grove Road Ext, Deep River, CT last sell?

20 Glen Grove Road Ext, Deep River, CT last sold on Jul 24, 2023 for $323,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 20 Glen Grove Road Ext, Deep River, CT?

20 Glen Grove Road Ext, Deep River, CT has 3 bedrooms, 1.5 bathrooms, 1,284 square feet of living space and a 1.59-acre lot.

When was 20 Glen Grove Road Ext, Deep River, CT built?

20 Glen Grove Road Ext, Deep River, CT was built in 1978, making it 48 years old. It is a colonial home. The building has 2 stories.

What schools serve 20 Glen Grove Road Ext, Deep River, CT?

20 Glen Grove Road Ext, Deep River, CT is assigned to John Winthrop Middle School (middle), rated C; Valley Regional High School (high), rated B; Deep River Elementary School (elementary), rated B+. All sit in Regional High School District 04. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Glen Grove Road Ext, Deep River, CT compare to other homes in Deep River 06417?

Among the 1,799 homes in Deep River 06417, it is worth more than 30% of them ($381,009 against a typical $441,312), its price per square foot is higher than 62% of them ($297 against a typical $281), it is bigger than 32% of them (1,284 ft² against a typical 1,591 ft²), its lot is bigger than 66% of them (1.59 ac against a typical 1 ac) and it is newer than 68% of them (1978 against a typical 1966). Measured against all of Lower Connecticut River Valley County, it is worth more than 26% 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 20 Glen Grove Road Ext, Deep River, CT?

The 2024 property tax bill for 20 Glen Grove Road Ext, Deep River, CT was $4,791. The county assessed it at $149,800.

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