Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$841,151$544 / 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 90How 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 $831,000 on Jul 2, 2026

263 KESWICK DR

EAST ISLIP, NY 11730
0
Baths
1,545 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
Year BuiltThe year the home was originally built, according to county records.

Valuation

$841K
$758K low$924K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$831,000 · Jul 2, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,909 (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.$40,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$11,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$29,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$564,789

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.36 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.0.26
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

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
Timber Point Elementary School
Elementary · Grades KG–2 · 0.4 mi
H
East Islip High SchoolA
High · Grades 9–12 · 2.0 mi
M
East Islip Middle SchoolC+
Middle · Grades 6–8 · 2.0 mi

District: East Islip Union Free School District

Neighborhood · ZIP 11730These 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.53
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 100.68

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.22%
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.14,421
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,954 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$138,646
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$163,331
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

263 Keswick Dr 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 77% of homes in East Islip 11730
  • Costs more per square foot than 78% of homes in Suffolk County
  • Older than 71% of homes in Suffolk County

What homes are worth in East Islip 11730

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

This home
$492K$2.5M

This home is worth more than 77% of homes in East Islip 11730.

How it measures up in East Islip 11730

The dot is this home. The mark in the middle is the typical home in East Islip 11730.

Estimated value$841,151
CheaperTypical $716,675Pricier

Pricier than 77% of homes nearby

Price per ft²$544
CheaperTypical $467Pricier

Pricier than 74% of homes nearby

Living area1,545 ft²
SmallerTypical 1,608 ft²Bigger

Bigger than 44% of homes nearby

Lot size0.26 ac
SmallerTypical 0.25 acBigger

Bigger than 58% of homes nearby

Year built1959
OlderTypical 1959Newer

Newer than 56% of homes nearby

How 263 Keswick Dr ranks against every home in each area.
MeasureThis homeEast Islip 11730Suffolk County
Estimated valuepricier than$841,15177% of homes70% of homes
Price per ft²pricier than$54474% of homes78% of homes
Living areabigger than1,545 ft²44% of homes42% of homes
Lot sizebigger than0.26 ac58% of homes48% of homes
Year builtnewer than195956% of homes29% of homes

About 263 Keswick Dr

How much is 263 Keswick Dr, East Islip, NY worth?

The TopHap Estimate for 263 Keswick Dr, East Islip, NY is $841,151 as of Sep 24, 2026. The likely range is $758,260 to $924,042. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 263 Keswick Dr, East Islip, NY last sell?

263 Keswick Dr, East Islip, NY last sold on Jul 2, 2026 for $831,000, according to the county's recorded deed.

How big is 263 Keswick Dr, East Islip, NY?

263 Keswick Dr, East Islip, NY has 1,545 square feet of living space and a 0.26-acre lot.

When was 263 Keswick Dr, East Islip, NY built?

263 Keswick Dr, East Islip, NY was built in 1959, making it 67 years old.

What schools serve 263 Keswick Dr, East Islip, NY?

263 Keswick Dr, East Islip, NY is assigned to Timber Point Elementary School (elementary); East Islip High School (high), rated A; East Islip Middle School (middle), rated C+. All sit in East Islip Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 263 Keswick Dr, East Islip, NY compare to other homes in East Islip 11730?

Among the 4,383 homes in East Islip 11730, it is worth more than 77% of them ($841,151 against a typical $716,675), its price per square foot is higher than 74% of them ($544 against a typical $467), it is bigger than 44% of them (1,545 ft² against a typical 1,608 ft²), its lot is bigger than 58% of them (0.26 ac against a typical 0.25 ac) and it is newer than 56% of them (1959 against a typical 1959). Measured against all of Suffolk County, it is worth more than 70% 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 263 Keswick Dr, East Islip, NY?

The 2024 property tax bill for 263 Keswick Dr, East Islip, NY was $10,909. The county assessed it at $40,100.

More homes on Keswick Dr

Closest homes

More homes in East Islip 11730

Assigned schools

Explore the area

See this home in context

Open 263 Keswick Dr 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