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Single Family ResidenceResidential
$455,380$441 / 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 83How 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

121 21ST ST

WADING RIVER, NY 11792
3
Beds
1
Baths
1,032 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.
0.34 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
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

$455K
$378K low$533K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,103 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$36,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$27,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$448,529

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.Ranch
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.34
HeatingThe type of heating system in the home.Hot Water
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Canal
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 100 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Riley Avenue SchoolD
Elementary · Grades PK–4 · 3.8 mi
H
Riverhead Senior High SchoolC-
High · Grades 9–12 · 7.2 mi
M
Riverhead Middle SchoolD
Middle · Grades 6–8 · 7.3 mi

District: Riverhead Central School District

Neighborhood · ZIP 11792These 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.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.59

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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.8,607
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.677 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$143,954
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$160,367
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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

121 21st St 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 95% of homes in Wading River 11792
  • Costs more per square foot than 76% of homes in Wading River 11792
  • Smaller than 92% of homes in Wading River 11792
  • Has a smaller lot than 79% of homes in Wading River 11792

What homes are worth in Wading River 11792

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

This home
$416K$1.6M

This home is worth more than 5% of homes in Wading River 11792.

How it measures up in Wading River 11792

The dot is this home. The mark in the middle is the typical home in Wading River 11792.

Estimated value$455,380
CheaperTypical $802,715Pricier

Pricier than 5% of homes nearby

Price per ft²$441
CheaperTypical $392Pricier

Pricier than 76% of homes nearby

Living area1,032 ft²
SmallerTypical 2,073 ft²Bigger

Bigger than 8% of homes nearby

Lot size0.34 ac
SmallerTypical 0.6 acBigger

Bigger than 21% of homes nearby

Year built1970
OlderTypical 1978Newer

Newer than 37% of homes nearby

How 121 21st St ranks against every home in each area.
MeasureThis homeWading River 11792Suffolk County
Estimated valuepricier than$455,3805% of homes5% of homes
Price per ft²pricier than$44176% of homes58% of homes
Living areabigger than1,032 ft²8% of homes12% of homes
Lot sizebigger than0.34 ac21% of homes57% of homes
Year builtnewer than197037% of homes51% of homes

About 121 21st St

How much is 121 21st St, Wading River, NY worth?

The TopHap Estimate for 121 21st St, Wading River, NY is $455,380 as of Jul 14, 2026. The likely range is $377,872 to $532,888. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 21st St, Wading River, NY last sell?

121 21st St, Wading River, NY last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 121 21st St, Wading River, NY?

121 21st St, Wading River, NY has 3 bedrooms, 1 bathrooms, 1,032 square feet of living space and a 0.34-acre lot.

When was 121 21st St, Wading River, NY built?

121 21st St, Wading River, NY was built in 1970, making it 56 years old. It is a ranch home. The building has 1 story.

What schools serve 121 21st St, Wading River, NY?

121 21st St, Wading River, NY is assigned to Riley Avenue School (elementary), rated D; Riverhead Senior High School (high), rated C-; Riverhead Middle School (middle), rated D. All sit in Riverhead Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 121 21st St, Wading River, NY compare to other homes in Wading River 11792?

Among the 3,276 homes in Wading River 11792, it is worth more than 5% of them ($455,380 against a typical $802,715), its price per square foot is higher than 76% of them ($441 against a typical $392), it is bigger than 8% of them (1,032 ft² against a typical 2,073 ft²), its lot is bigger than 21% of them (0.34 ac against a typical 0.6 ac) and it is newer than 37% of them (1970 against a typical 1978). Measured against all of Suffolk County, it is worth more than 5% 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 121 21st St, Wading River, NY?

The 2024 property tax bill for 121 21st St, Wading River, NY was $7,103. The county assessed it at $36,600.

More homes on 21st St

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Assigned schools

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