Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$772,126$432 / 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 91How 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
Last sold for $350,000 on Aug 31, 2011

31 ROBERT ST

BABYLON, NY 11702
1.5
Baths
1,787 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1966
Year BuiltThe year the home was originally built, according to county records.

Valuation

$772K
$702K low$842K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$350,000 · Aug 31, 2011
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.$772,126
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$617,701

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,605 (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.$3,990 (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.$3,650
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$222,905

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.72 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.45%
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.Single Family Residence
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.22
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Neighborhood · ZIP 11702These 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.66
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.72

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.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.14,636
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,287 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$132,221
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$156,138
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

31 Robert 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.

  • Has a smaller lot than 67% of homes in Suffolk County
  • Newer than 81% of homes in Babylon 11702

What homes are worth in Babylon 11702

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

This home
$549K$2.1M

This home is worth more than 48% of homes in Babylon 11702.

How it measures up in Babylon 11702

The dot is this home. The mark in the middle is the typical home in Babylon 11702.

Estimated value$772,126
CheaperTypical $779,617Pricier

Pricier than 48% of homes nearby

Price per ft²$432
CheaperTypical $455Pricier

Pricier than 41% of homes nearby

Living area1,787 ft²
SmallerTypical 1,809 ft²Bigger

Bigger than 49% of homes nearby

Lot size0.22 ac
SmallerTypical 0.19 acBigger

Bigger than 62% of homes nearby

Year built1966
OlderTypical 1953Newer

Newer than 81% of homes nearby

How 31 Robert St ranks against every home in each area.
MeasureThis homeBabylon 11702Suffolk County
Estimated valuepricier than$772,12648% of homes63% of homes
Price per ft²pricier than$43241% of homes55% of homes
Living areabigger than1,787 ft²49% of homes55% of homes
Lot sizebigger than0.22 ac62% of homes33% of homes
Year builtnewer than196681% of homes44% of homes

About 31 Robert St

How much is 31 Robert St, Babylon, NY worth?

The TopHap Estimate for 31 Robert St, Babylon, NY is $772,126 as of Jul 14, 2026. The likely range is $702,229 to $842,023. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 31 Robert St, Babylon, NY last sell?

31 Robert St, Babylon, NY last sold on Aug 31, 2011 for $350,000, according to the county's recorded deed.

How big is 31 Robert St, Babylon, NY?

31 Robert St, Babylon, NY has 1.5 bathrooms, 1,787 square feet of living space and a 0.22-acre lot.

When was 31 Robert St, Babylon, NY built?

31 Robert St, Babylon, NY was built in 1966, making it 60 years old.

How does 31 Robert St, Babylon, NY compare to other homes in Babylon 11702?

Among the 4,195 homes in Babylon 11702, it is worth more than 48% of them ($772,126 against a typical $779,617), its price per square foot is higher than 41% of them ($432 against a typical $455), it is bigger than 49% of them (1,787 ft² against a typical 1,809 ft²), its lot is bigger than 62% of them (0.22 ac against a typical 0.19 ac) and it is newer than 81% of them (1966 against a typical 1953). Measured against all of Suffolk County, it is worth more than 63% 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 31 Robert St, Babylon, NY?

The 2024 property tax bill for 31 Robert St, Babylon, NY was $13,605. The county assessed it at $3,990.

More homes on Robert St

Closest homes

More homes in Babylon 11702

Explore the area

See this home in context

Open 31 Robert St 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