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Single Family ResidenceResidential
$440,665$219 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

25 UNION ST

DEEP RIVER, CT 06417
3
Beds
1.5
Baths
2,012 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.
0.58 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$441K
$412K low$469K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,025 (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.$219,660 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$64,680
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$154,980
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$219,660
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$153,762

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.36
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
15
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.
95
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.
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
CountyLOWER CONNECTICUT RIVER 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.2009
Lot (acres)The size of the land the home sits on, from county records.0.58
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

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

E
Deep River Elementary SchoolB-
Elementary · Grades PK–6 · 0.4 mi
H
Valley Regional High SchoolB
High · Grades 9–12 · 0.9 mi
M
John Winthrop Middle SchoolB-
Middle · Grades 7–8 · 1.5 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

25 Union 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.

  • Costs less per square foot than 87% of homes in Deep River 06417
  • Bigger than 70% of homes in Deep River 06417
  • Has a smaller lot than 66% of homes in Deep River 06417
  • Older than 65% of homes in Lower Connecticut River Valley County

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
$189K$1.5M

This home is worth more than 53% 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$440,665
CheaperTypical $431,050Pricier

Pricier than 53% of homes nearby

Price per ft²$219
CheaperTypical $276Pricier

Pricier than 13% of homes nearby

Living area2,012 ft²
SmallerTypical 1,574 ft²Bigger

Bigger than 70% of homes nearby

Lot size0.58 ac
SmallerTypical 1 acBigger

Bigger than 34% of homes nearby

Year built1959
OlderTypical 1966Newer

Newer than 43% of homes nearby

How 25 Union St ranks against every home in each area.
MeasureThis homeDeep River 06417Lower Connecticut River Valley County
Estimated valuepricier than$440,66553% of homes40% of homes
Price per ft²pricier than$21913% of homes14% of homes
Living areabigger than2,012 ft²70% of homes66% of homes
Lot sizebigger than0.58 ac34% of homes46% of homes
Year builtnewer than195943% of homes35% of homes

About 25 Union St

How much is 25 Union St, Deep River, CT worth?

The TopHap Estimate for 25 Union St, Deep River, CT is $440,665 as of Oct 21, 2026. The likely range is $411,926 to $469,404. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 25 Union St, Deep River, CT last sell?

25 Union St, Deep River, CT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 25 Union St, Deep River, CT?

25 Union St, Deep River, CT has 3 bedrooms, 1.5 bathrooms, 2,012 square feet of living space and a 0.58-acre lot.

When was 25 Union St, Deep River, CT built?

25 Union St, Deep River, CT was built in 1959, making it 67 years old. The building has 2 stories.

What schools serve 25 Union St, Deep River, CT?

25 Union St, Deep River, CT is assigned to Deep River Elementary School (elementary), rated B-; Valley Regional High School (high), rated B; John Winthrop Middle School (middle), rated B-. All sit in Regional High School District 04. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 25 Union St, 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 53% of them ($440,665 against a typical $431,050), its price per square foot is higher than 13% of them ($219 against a typical $276), it is bigger than 70% of them (2,012 ft² against a typical 1,574 ft²), its lot is bigger than 34% of them (0.58 ac against a typical 1 ac) and it is newer than 43% of them (1959 against a typical 1966). Measured against all of Lower Connecticut River Valley County, it is worth more than 40% 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 25 Union St, Deep River, CT?

The 2025 property tax bill for 25 Union St, Deep River, CT was $7,025. The county assessed it at $219,660.

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