Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$610,719$536 / 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 Jul 14, 2026

51 RIVERSIDE AVE

NORWALK, CT 06850
4
Beds
2
Baths
1,140 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.
1925
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$611K
$566K low$655K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$603,719
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$482,975
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.1%
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.$7,000
FAIRFIELD COUNTY SAVINGS BANK · recorded Sep 26, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,153 (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.$299,290 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$146,770
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$152,520
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$299,290
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$209,503

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.79 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.0.2 percent flood zone

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.Conventional
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.1988
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.Forced Air With Air Conditioning
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.No

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.

M
Ponus Ridge Middle SchoolC
Middle · Grades 6–8 · 0.9 mi
E
Jefferson Science Magnet SchoolC
Elementary · Grades KG–5 · 0.9 mi
H
McMahon High SchoolD
High · Grades 9–12 · 2.5 mi

District: Norwalk School District

Neighborhood · ZIP 06850These 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.81
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.113
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.93

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.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.23,602
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,501 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$115,282
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$144,660
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

51 Riverside Ave 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 less than 68% of homes in Western Connecticut County
  • Costs more per square foot than 83% of homes in Norwalk 06850
  • Smaller than 85% of homes in Western Connecticut County
  • Has a smaller lot than 81% of homes in Western Connecticut County
  • Older than 92% of homes in Norwalk 06850

What homes are worth in Norwalk 06850

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

This home
$235K$1.6M

This home is worth more than 38% of homes in Norwalk 06850.

How it measures up in Norwalk 06850

The dot is this home. The mark in the middle is the typical home in Norwalk 06850.

Estimated value$610,719
CheaperTypical $676,098Pricier

Pricier than 38% of homes nearby

Price per ft²$536
CheaperTypical $437Pricier

Pricier than 83% of homes nearby

Living area1,140 ft²
SmallerTypical 1,476 ft²Bigger

Bigger than 26% of homes nearby

Lot size0.21 ac
SmallerTypical 0.32 acBigger

Bigger than 36% of homes nearby

Year built1925
OlderTypical 1960Newer

Newer than 8% of homes nearby

How 51 Riverside Ave ranks against every home in each area.
MeasureThis homeNorwalk 06850Western Connecticut County
Estimated valuepricier than$610,71938% of homes32% of homes
Price per ft²pricier than$53683% of homes72% of homes
Living areabigger than1,140 ft²26% of homes15% of homes
Lot sizebigger than0.21 ac36% of homes19% of homes
Year builtnewer than19258% of homes10% of homes

About 51 Riverside Ave

How much is 51 Riverside Ave, Norwalk, CT worth?

The TopHap Estimate for 51 Riverside Ave, Norwalk, CT is $610,719 as of Jul 14, 2026. The likely range is $566,353 to $655,085. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 51 Riverside Ave, Norwalk, CT last sell?

51 Riverside Ave, Norwalk, CT last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 51 Riverside Ave, Norwalk, CT?

51 Riverside Ave, Norwalk, CT has 4 bedrooms, 2 bathrooms, 1,140 square feet of living space and a 0.21-acre lot.

When was 51 Riverside Ave, Norwalk, CT built?

51 Riverside Ave, Norwalk, CT was built in 1925, making it 101 years old. It is a conventional home. The building has 2 stories.

What schools serve 51 Riverside Ave, Norwalk, CT?

51 Riverside Ave, Norwalk, CT is assigned to Ponus Ridge Middle School (middle), rated C; Jefferson Science Magnet School (elementary), rated C; McMahon High School (high), rated D. All sit in Norwalk School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 51 Riverside Ave, Norwalk, CT compare to other homes in Norwalk 06850?

Among the 6,010 homes in Norwalk 06850, it is worth more than 38% of them ($610,719 against a typical $676,098), its price per square foot is higher than 83% of them ($536 against a typical $437), it is bigger than 26% of them (1,140 ft² against a typical 1,476 ft²), its lot is bigger than 36% of them (0.21 ac against a typical 0.32 ac) and it is newer than 8% of them (1925 against a typical 1960). Measured against all of Western Connecticut County, it is worth more than 32% 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 51 Riverside Ave, Norwalk, CT?

The 2025 property tax bill for 51 Riverside Ave, Norwalk, CT was $7,153. The county assessed it at $299,290.

More homes on Riverside Ave

Closest homes

More homes in Norwalk 06850

Assigned schools

Explore the area

See this home in context

Open 51 Riverside Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map