Skip to content
Skip to content
TopHapOpen in map
Commercial (General)Commercial
Last sold for $560,000 on Jan 14, 2021

1 DORCAS AVE

SYOSSET, NY 11791
2.5
Baths
1,997 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1947
Year BuiltThe year the home was originally built, according to county records.
1
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$560,000 · Jan 14, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$17,521 (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.$558 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$289
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$269
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$558
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$558,000

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.8 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.Commercial (General)
StyleThe architectural style of the home, such as ranch or colonial.Cape Cod
CountyNASSAU
Lot (acres)The size of the land the home sits on, from county records.0.15
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Central
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.Highway
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 24 ft²

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.

Foreclosure Filings(3)

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

E
South Grove Elementary SchoolA+
Elementary · Grades KG–5 · 0.9 mi
H
Syosset Senior High SchoolA+
High · Grades 9–12 · 1.5 mi
M
South Woods Middle SchoolA+
Middle · Grades 6–8 · 1.5 mi

District: Syosset Central School District

Neighborhood · ZIP 11791These 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.58
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.92

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.1%
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.25,701
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,064 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$180,785
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$232,702
Average tempThe average temperature here across a full year.52°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.56%

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

1 Dorcas 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.

  • Bigger than 65% of homes in Nassau County
  • Has a smaller lot than 92% of homes in Syosset
  • Older than 94% of homes in Syosset

How it measures up in Syosset 11791

The dot is this home. The mark in the middle is the typical home in Syosset 11791.

Living area1,997 ft²
SmallerTypical 2,052 ft²Bigger

Bigger than 48% of homes nearby

Lot size0.15 ac
SmallerTypical 0.22 acBigger

Bigger than 8% of homes nearby

Year built1947
OlderTypical 1957Newer

Newer than 6% of homes nearby

How 1 Dorcas Ave ranks against every home in each area.
MeasureThis homeSyossetSyosset 11791Nassau County
Living areabigger than1,997 ft²57% of homes48% of homes65% of homes
Lot sizebigger than0.15 ac8% of homes8% of homes49% of homes
Year builtnewer than19476% of homes6% of homes29% of homes

About 1 Dorcas Ave

When did 1 Dorcas Ave, Syosset, NY last sell?

1 Dorcas Ave, Syosset, NY last sold on Jan 14, 2021 for $560,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 1 Dorcas Ave, Syosset, NY?

1 Dorcas Ave, Syosset, NY has 2.5 bathrooms, 1,997 square feet of living space and a 0.15-acre lot.

When was 1 Dorcas Ave, Syosset, NY built?

1 Dorcas Ave, Syosset, NY was built in 1947, making it 79 years old. It is a cape cod home. The building has 1 story.

What schools serve 1 Dorcas Ave, Syosset, NY?

1 Dorcas Ave, Syosset, NY is assigned to South Grove Elementary School (elementary), rated A+; Syosset Senior High School (high), rated A+; South Woods Middle School (middle), rated A+. All sit in Syosset Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1 Dorcas Ave, Syosset, NY compare to other homes in Syosset 11791?

Among the 8,086 homes in Syosset 11791, it is bigger than 48% of them (1,997 ft² against a typical 2,052 ft²), its lot is bigger than 8% of them (0.15 ac against a typical 0.22 ac) and it is newer than 6% of them (1947 against a typical 1957). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 1 Dorcas Ave, Syosset, NY?

The 2025 property tax bill for 1 Dorcas Ave, Syosset, NY was $17,521. The county assessed it at $558.

More homes on Dorcas Ave

Closest homes

More homes in Syosset 11791

Assigned schools

Explore the area

See this home in context

Open 1 Dorcas 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