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Duplex (2 Units, Any Combination)Residential
Last sold for $270,000 on Oct 30, 1991

21 WAMPUS LN

RIVERSIDE, CT 06878
5
Beds
2
Baths
1,844 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
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.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$270,000 · Oct 30, 1991

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,101 (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.$574,560 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$442,260
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$132,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$549,080
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$402,192

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.48
37
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
4
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
64
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
96
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
43
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.7 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.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyWESTERN CONNECTICUT
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.1960
Lot (acres)The size of the land the home sits on, from county records.0.24
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.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(2)

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
Cos Cob SchoolB
Elementary · Grades KG–5 · 0.7 mi
M
Central Middle SchoolA-
Middle · Grades 6–8 · 1.2 mi
H
Greenwich High SchoolA+
High · Grades 9–12 · 1.5 mi

District: Greenwich School District

Neighborhood · ZIP 06878These 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.75
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.114
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.97

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.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
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.10,020
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,709 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$233,152
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$352,822
Average tempThe average temperature here across a full year.52°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.58%

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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 Wampus 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.

  • Smaller than 82% of homes in Riverside 06878
  • Has a smaller lot than 77% of homes in Western Connecticut County
  • Older than 96% of homes in Riverside 06878

How it measures up in Riverside 06878

The dot is this home. The mark in the middle is the typical home in Riverside 06878.

Living area1,844 ft²
SmallerTypical 2,788 ft²Bigger

Bigger than 18% of homes nearby

Lot size0.24 ac
SmallerTypical 0.3 acBigger

Bigger than 25% of homes nearby

Year built1900
OlderTypical 1957Newer

Newer than 4% of homes nearby

How 21 Wampus Ln ranks against every home in each area.
MeasureThis homeRiverside 06878Western Connecticut County
Living areabigger than1,844 ft²18% of homes45% of homes
Lot sizebigger than0.24 ac25% of homes23% of homes
Year builtnewer than19004% of homes5% of homes

About 21 Wampus Ln

When did 21 Wampus Ln, Riverside, CT last sell?

21 Wampus Ln, Riverside, CT last sold on Oct 30, 1991 for $270,000, according to the county's recorded deed.

How big is 21 Wampus Ln, Riverside, CT?

21 Wampus Ln, Riverside, CT has 5 bedrooms, 2 bathrooms, 1,844 square feet of living space and a 0.24-acre lot.

When was 21 Wampus Ln, Riverside, CT built?

21 Wampus Ln, Riverside, CT was built in 1900, making it 126 years old. It is a duplex single home. The building has 2 stories.

What schools serve 21 Wampus Ln, Riverside, CT?

21 Wampus Ln, Riverside, CT is assigned to Cos Cob School (elementary), rated B; Central Middle School (middle), rated A-; Greenwich High School (high), rated A+. All sit in Greenwich School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Wampus Ln, Riverside, CT compare to other homes in Riverside 06878?

Among the 2,615 homes in Riverside 06878, it is bigger than 18% of them (1,844 ft² against a typical 2,788 ft²), its lot is bigger than 25% of them (0.24 ac against a typical 0.3 ac) and it is newer than 4% of them (1900 against a typical 1957). 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 Wampus Ln, Riverside, CT?

The 2025 property tax bill for 21 Wampus Ln, Riverside, CT was $7,101. The county assessed it at $574,560.

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