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Single Family ResidenceResidential
$708,534$473 / 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 98How 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 $455,000 on Jun 24, 2020

521 DEWITT AVE

NORTH BABYLON, NY 11703
1.5
Baths
1,497 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.

Valuation

$709K
$694K low$723K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$455,000 · Jun 24, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,592 (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.$3,460 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$340
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$3,120
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$586,441

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.17
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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
Woods Road Elementary SchoolD-
Elementary · Grades KG–5 · 0.2 mi
M
Robert Moses Middle SchoolB-
Middle · Grades 6–8 · 1.1 mi
H
North Babylon High SchoolC
High · Grades 9–12 · 1.2 mi

District: North Babylon Union Free School District

Neighborhood · ZIP 11703These 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.61
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.81

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.97%
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.3.4%
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.17,083
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,392 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$124,230
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$137,080
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.49 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

521 Dewitt 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 more than 81% of homes in North Babylon 11703
  • Costs more per square foot than 69% of homes in North Babylon 11703
  • Has a smaller lot than 78% of homes in Suffolk County
  • Older than 77% of homes in Suffolk County

What homes are worth in North Babylon 11703

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

This home
$487K$802K

This home is worth more than 81% of homes in North Babylon 11703.

How it measures up in North Babylon 11703

The dot is this home. The mark in the middle is the typical home in North Babylon 11703.

Estimated value$708,534
CheaperTypical $660,755Pricier

Pricier than 81% of homes nearby

Price per ft²$473
CheaperTypical $421Pricier

Pricier than 69% of homes nearby

Living area1,497 ft²
SmallerTypical 1,614 ft²Bigger

Bigger than 42% of homes nearby

Lot size0.17 ac
SmallerTypical 0.19 acBigger

Bigger than 40% of homes nearby

Year built1955
OlderTypical 1957Newer

Newer than 45% of homes nearby

How 521 Dewitt Ave ranks against every home in each area.
MeasureThis homeNorth BabylonNorth Babylon 11703Suffolk County
Estimated valuepricier than$708,53479% of homes81% of homes53% of homes
Price per ft²pricier than$47367% of homes69% of homes67% of homes
Living areabigger than1,497 ft²41% of homes42% of homes40% of homes
Lot sizebigger than0.17 ac43% of homes40% of homes22% of homes
Year builtnewer than195558% of homes45% of homes23% of homes

About 521 Dewitt Ave

How much is 521 Dewitt Ave, North Babylon, NY worth?

The TopHap Estimate for 521 Dewitt Ave, North Babylon, NY is $708,534 as of Sep 24, 2026. The likely range is $693,893 to $723,175. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 Dewitt Ave, North Babylon, NY last sell?

521 Dewitt Ave, North Babylon, NY last sold on Jun 24, 2020 for $455,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 521 Dewitt Ave, North Babylon, NY?

521 Dewitt Ave, North Babylon, NY has 1.5 bathrooms, 1,497 square feet of living space and a 0.17-acre lot.

When was 521 Dewitt Ave, North Babylon, NY built?

521 Dewitt Ave, North Babylon, NY was built in 1955, making it 71 years old.

What schools serve 521 Dewitt Ave, North Babylon, NY?

521 Dewitt Ave, North Babylon, NY is assigned to Woods Road Elementary School (elementary), rated D-; Robert Moses Middle School (middle), rated B-; North Babylon High School (high), rated C. All sit in North Babylon Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 Dewitt Ave, North Babylon, NY compare to other homes in North Babylon 11703?

Among the 7,193 homes in North Babylon 11703, it is worth more than 81% of them ($708,534 against a typical $660,755), its price per square foot is higher than 69% of them ($473 against a typical $421), it is bigger than 42% of them (1,497 ft² against a typical 1,614 ft²), its lot is bigger than 40% of them (0.17 ac against a typical 0.19 ac) and it is newer than 45% of them (1955 against a typical 1957). Measured against all of Suffolk County, it is worth more than 53% 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 521 Dewitt Ave, North Babylon, NY?

The 2024 property tax bill for 521 Dewitt Ave, North Babylon, NY was $11,592. The county assessed it at $3,460.

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