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Single Family ResidenceResidential
$67,980$72 / 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 85How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $65,000 on Feb 4, 2026

629 ROUTE 81

KILLINGWORTH, CT 06419
3
Beds
1
Baths
941 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.
0.6 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
1
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

$68K
$58K low$78K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$65,000 · Feb 4, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,197 (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.$121,940 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$58,520
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$63,420
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$121,940
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$85,358

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
48
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
54
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
97
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.13 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Cape Cod
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.1985
Lot (acres)The size of the land the home sits on, from county records.0.60
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(6)

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
Haddam-Killingworth Middle SchoolB+
Middle · Grades 6–8 · 1.9 mi
E
Killingworth Elementary SchoolA-
Elementary · Grades PK–3 · 2.7 mi
H
Haddam-Killingworth High SchoolA+
High · Grades 9–12 · 3.7 mi

District: Regional School District 17

Neighborhood · ZIP 06419These 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.78
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.120
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.61

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.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.8%
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.5,642
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.159 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$125,563
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$180,498
Average tempThe average temperature here across a full year.49°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

629 Route 81 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.

  • Among the least valuable homes in Killingworth 06419
  • Among the lowest price per square foot in Killingworth 06419
  • Smaller than 94% of homes in Killingworth 06419
  • Among the smallest lots in Killingworth 06419
  • Older than 93% of homes in Killingworth 06419

What homes are worth in Killingworth 06419

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

This home
$361K$1.3M

This home is worth less than almost all homes in Killingworth 06419.

How it measures up in Killingworth 06419

The dot is this home. The mark in the middle is the typical home in Killingworth 06419.

Estimated value$67,980
CheaperTypical $634,729Pricier

Cheaper than almost all homes nearby

Price per ft²$72
CheaperTypical $289Pricier

Cheaper than almost all homes nearby

Living area941 ft²
SmallerTypical 2,096 ft²Bigger

Bigger than 6% of homes nearby

Lot size0.6 ac
SmallerTypical 2.7 acBigger

Smaller than almost all homes nearby

Year built1950
OlderTypical 1985Newer

Newer than 7% of homes nearby

How 629 Route 81 ranks against every home in each area.
MeasureThis homeKillingworth 06419Lower Connecticut River Valley County
Estimated valuepricier than$67,980almost no homesalmost no homes
Price per ft²pricier than$72almost no homesalmost no homes
Living areabigger than941 ft²6% of homes9% of homes
Lot sizebigger than0.6 acalmost no homes47% of homes
Year builtnewer than19507% of homes24% of homes

About 629 Route 81

How much is 629 Route 81, Killingworth, CT worth?

The TopHap Estimate for 629 Route 81, Killingworth, CT is $67,980 as of Sep 24, 2026. The likely range is $57,579 to $78,381. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 629 Route 81, Killingworth, CT last sell?

629 Route 81, Killingworth, CT last sold on Feb 4, 2026 for $65,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 629 Route 81, Killingworth, CT?

629 Route 81, Killingworth, CT has 3 bedrooms, 1 bathrooms, 941 square feet of living space and a 0.60-acre lot.

When was 629 Route 81, Killingworth, CT built?

629 Route 81, Killingworth, CT was built in 1950, making it 76 years old. It is a cape cod home. The building has 1 story.

What schools serve 629 Route 81, Killingworth, CT?

629 Route 81, Killingworth, CT is assigned to Haddam-Killingworth Middle School (middle), rated B+; Killingworth Elementary School (elementary), rated A-; Haddam-Killingworth High School (high), rated A+. All sit in Regional School District 17. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 629 Route 81, Killingworth, CT compare to other homes in Killingworth 06419?

Among the 2,550 homes in Killingworth 06419, it is worth more than almost none of them ($67,980 against a typical $634,729), its price per square foot is higher than almost none of them ($72 against a typical $289), it is bigger than 6% of them (941 ft² against a typical 2,096 ft²), its lot is bigger than almost none of them (0.6 ac against a typical 2.7 ac) and it is newer than 7% of them (1950 against a typical 1985). Measured against all of Lower Connecticut River Valley County, it is worth more than almost no 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 629 Route 81, Killingworth, CT?

The 2025 property tax bill for 629 Route 81, Killingworth, CT was $3,197. The county assessed it at $121,940.

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