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Single Family ResidenceResidential
$898,868$267 / 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 95How 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 $685,000 on Mar 15, 2023

21 SHERWOOD FOREST LN

KILLINGWORTH, CT 06419
4
Beds
3 / 2
Baths
3,365 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.
5.1 ac
Lot SizeThe size of the land the home sits on, from county records.
2007
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$899K
$853K low$945K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$685,000 · Mar 15, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,918 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$453,740 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$84,140
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$369,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$453,740
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$824,795

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.
95
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
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.2013
Lot (acres)The size of the land the home sits on, from county records.5.10
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.Shingle
HeatingThe type of heating system in the home.Oil
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.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

Transaction History(4)

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
Killingworth Elementary SchoolA-
Elementary · Grades PK–3 · 2.4 mi
M
Haddam-Killingworth Middle SchoolA-
Middle · Grades 6–8 · 3.1 mi
H
Haddam-Killingworth High SchoolA
High · Grades 9–12 · 8.7 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

21 Sherwood Forest Ln 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 90% of homes in Lower Connecticut River Valley County
  • Costs less per square foot than 72% of homes in Killingworth 06419
  • Bigger than 96% of homes in Lower Connecticut River Valley County
  • Has a bigger lot than 95% of homes in Lower Connecticut River Valley County
  • Newer than 94% of homes in Lower Connecticut River Valley County

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
$338K$1.2M

This home is worth more than 89% of 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$898,868
CheaperTypical $633,336Pricier

Pricier than 89% of homes nearby

Price per ft²$267
CheaperTypical $289Pricier

Pricier than 28% of homes nearby

Living area3,365 ft²
SmallerTypical 2,095 ft²Bigger

Bigger than 90% of homes nearby

Lot size5.1 ac
SmallerTypical 2.7 acBigger

Bigger than 81% of homes nearby

Year built2007
OlderTypical 1985Newer

Newer than 93% of homes nearby

How 21 Sherwood Forest Ln ranks against every home in each area.
MeasureThis homeKillingworth 06419Lower Connecticut River Valley County
Estimated valuepricier than$898,86889% of homes90% of homes
Price per ft²pricier than$26728% of homes39% of homes
Living areabigger than3,365 ft²90% of homes96% of homes
Lot sizebigger than5.1 ac81% of homes95% of homes
Year builtnewer than200793% of homes94% of homes

About 21 Sherwood Forest Ln

How much is 21 Sherwood Forest Ln, Killingworth, CT worth?

The TopHap Estimate for 21 Sherwood Forest Ln, Killingworth, CT is $898,868 as of Sep 24, 2026. The likely range is $852,923 to $944,813. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Sherwood Forest Ln, Killingworth, CT last sell?

21 Sherwood Forest Ln, Killingworth, CT last sold on Mar 15, 2023 for $685,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 Sherwood Forest Ln, Killingworth, CT?

21 Sherwood Forest Ln, Killingworth, CT has 4 bedrooms, 3 bathrooms, 3,365 square feet of living space and a 5.10-acre lot.

When was 21 Sherwood Forest Ln, Killingworth, CT built?

21 Sherwood Forest Ln, Killingworth, CT was built in 2007, making it 19 years old. It is a colonial home. The building has 2 stories.

What schools serve 21 Sherwood Forest Ln, Killingworth, CT?

21 Sherwood Forest Ln, Killingworth, CT is assigned to Killingworth Elementary School (elementary), rated A-; Haddam-Killingworth Middle School (middle), 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 21 Sherwood Forest Ln, Killingworth, CT compare to other homes in Killingworth 06419?

Among the 2,550 homes in Killingworth 06419, it is worth more than 89% of them ($898,868 against a typical $633,336), its price per square foot is higher than 28% of them ($267 against a typical $289), it is bigger than 90% of them (3,365 ft² against a typical 2,095 ft²), its lot is bigger than 81% of them (5.1 ac against a typical 2.7 ac) and it is newer than 93% of them (2007 against a typical 1985). Measured against all of Lower Connecticut River Valley County, it is worth more than 90% 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 21 Sherwood Forest Ln, Killingworth, CT?

The 2026 property tax bill for 21 Sherwood Forest Ln, Killingworth, CT was $12,918. The county assessed it at $453,740.

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