Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$903,875$332 / 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 Sep 24, 2026

ASTOR AVE

ST JAMES, NY 11780
3
Beds
2.5
Baths
2,725 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.
0.49 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$904K
$826K low$982K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,992 (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.$5,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$480
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$5,420
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$737,500

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.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
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.0.49
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Central
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, 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.Suburban

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.

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

E
Mills Pond Elementary SchoolA-
Elementary · Grades KG–5 · 1.0 mi
H
Smithtown High School EastA-
High · Grades 9–12 · 1.1 mi
M
Great Hollow Middle SchoolA+
Middle · Grades 6–8 · 1.5 mi

District: Smithtown Central School District

Neighborhood · ZIP 11780These 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.37
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.71

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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.0%
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.16,050
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,043 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$149,578
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$186,897
Average tempThe average temperature here across a full year.52°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%

Owner Tools

Do you own this home?
Claim this home

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

Astor 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 76% of homes in St. James
  • Costs less per square foot than 98% of homes in St. James
  • Bigger than 89% of homes in Suffolk County
  • Has a bigger lot than 73% of homes in Suffolk County
  • Newer than 84% of homes in St. James

What homes are worth in Saint James 11780

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

This home
$448K$2.7M

This home is worth more than 55% of homes in Saint James 11780.

How it measures up in Saint James 11780

The dot is this home. The mark in the middle is the typical home in Saint James 11780.

Estimated value$903,875
CheaperTypical $847,403Pricier

Pricier than 55% of homes nearby

Price per ft²$332
CheaperTypical $454Pricier

Pricier than 3% of homes nearby

Living area2,725 ft²
SmallerTypical 2,160 ft²Bigger

Bigger than 70% of homes nearby

Lot size0.49 ac
SmallerTypical 0.48 acBigger

Bigger than 51% of homes nearby

Year built1990
OlderTypical 1972Newer

Newer than 77% of homes nearby

How Astor Ave ranks against every home in each area.
MeasureThis homeSt. JamesSaint James 11780Suffolk County
Estimated valuepricier than$903,87576% of homes55% of homes74% of homes
Price per ft²pricier than$3322% of homes3% of homes21% of homes
Living areabigger than2,725 ft²85% of homes70% of homes89% of homes
Lot sizebigger than0.49 ac71% of homes51% of homes73% of homes
Year builtnewer than199084% of homes77% of homes74% of homes

About Astor Ave

How much is Astor Ave, St James, NY worth?

The TopHap Estimate for Astor Ave, St James, NY is $903,875 as of Sep 24, 2026. The likely range is $826,076 to $981,674. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did Astor Ave, St James, NY last sell?

Astor Ave, St James, NY last sold on Nov 16, 1994, according to the county's recorded deed.

How big is Astor Ave, St James, NY?

Astor Ave, St James, NY has 3 bedrooms, 2.5 bathrooms, 2,725 square feet of living space and a 0.49-acre lot.

When was Astor Ave, St James, NY built?

Astor Ave, St James, NY was built in 1990, making it 36 years old. It is a ranch home. The building has 1 story.

What schools serve Astor Ave, St James, NY?

Astor Ave, St James, NY is assigned to Mills Pond Elementary School (elementary), rated A-; Smithtown High School East (high), rated A-; Great Hollow Middle School (middle), rated A+. All sit in Smithtown Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does Astor Ave, St James, NY compare to other homes in Saint James 11780?

Among the 5,604 homes in Saint James 11780, it is worth more than 55% of them ($903,875 against a typical $847,403), its price per square foot is higher than 3% of them ($332 against a typical $454), it is bigger than 70% of them (2,725 ft² against a typical 2,160 ft²), its lot is bigger than 51% of them (0.49 ac against a typical 0.48 ac) and it is newer than 77% of them (1990 against a typical 1972). Measured against all of Suffolk County, it is worth more than 74% 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 Astor Ave, St James, NY?

The 2024 property tax bill for Astor Ave, St James, NY was $12,992. The county assessed it at $5,900.

More homes on Astor Ave

Closest homes

More homes in St James 11780

Assigned schools

Explore the area

See this home in context

Open Astor 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