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Duplex (2 Units, Any Combination)Residential

21 NEIL LN

RIVERSIDE, CT 06878
5
Beds
6 / 2
Baths
3,992 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1939
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
13
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$476,000
WASHINGTON MUTUAL BANK · recorded Aug 14, 2000
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$326,250
JPMORGAN CHASE BANK NA

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,177 (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.$742,560 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$363,090
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$379,470
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$742,560
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$519,792

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.
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.
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.1945
Lot (acres)The size of the land the home sits on, from county records.0.21
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
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, Basement
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
Eastern Middle SchoolA+
Middle · Grades 6–8 · 0.6 mi
E
International School at DundeeA+
Elementary · Grades KG–5 · 0.7 mi
H
Greenwich High SchoolA+
High · Grades 9–12 · 1.7 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes

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 Neil 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.

  • Bigger than 89% of homes in Western Connecticut County
  • Has a smaller lot than 81% of homes in Western Connecticut County
  • Older than 83% of homes in Western Connecticut County

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 area3,992 ft²
SmallerTypical 2,801 ft²Bigger

Bigger than 78% of homes nearby

Lot size0.21 ac
SmallerTypical 0.3 acBigger

Bigger than 20% of homes nearby

Year built1939
OlderTypical 1958Newer

Newer than 20% of homes nearby

How 21 Neil Ln ranks against every home in each area.
MeasureThis homeRiverside 06878Western Connecticut County
Living areabigger than3,992 ft²78% of homes89% of homes
Lot sizebigger than0.21 ac20% of homes19% of homes
Year builtnewer than193920% of homes17% of homes

About 21 Neil Ln

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

21 Neil Ln, Riverside, CT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Neil Ln, Riverside, CT?

21 Neil Ln, Riverside, CT has 5 bedrooms, 6 bathrooms, 3,992 square feet of living space and a 0.21-acre lot.

When was 21 Neil Ln, Riverside, CT built?

21 Neil Ln, Riverside, CT was built in 1939, making it 87 years old. It is a duplex single home. The building has 3 stories.

What schools serve 21 Neil Ln, Riverside, CT?

21 Neil Ln, Riverside, CT is assigned to Eastern Middle School (middle), rated A+; International School at Dundee (elementary), 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 Neil Ln, Riverside, CT compare to other homes in Riverside 06878?

Among the 2,615 homes in Riverside 06878, it is bigger than 78% of them (3,992 ft² against a typical 2,801 ft²), its lot is bigger than 20% of them (0.21 ac against a typical 0.3 ac) and it is newer than 20% of them (1939 against a typical 1958). 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 Neil Ln, Riverside, CT?

The 2025 property tax bill for 21 Neil Ln, Riverside, CT was $9,177. The county assessed it at $742,560.

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