Real Estate Data API

West Islip NY

162 active listings out of 8.7K total properties we track across 3 West Islip ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
162
Median
$812K
-11.6%
Sold Sep
17
-19.0%
Tracked
8.7K

Download West Islip, NY property data

7,908,392 property records for all of New York — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.

Files are published by ZIP, county and state; this city is inside the state file.

Download free · as of Oct 2026

Monthly snapshot · 486.3 MB Parquet · CSV (1.3 GB)

Records keep changing after a snapshot is compiled.

Download today's build · subscribers

Rebuilt every day · same columns, same file layout

Zoomed out

While you're here, take in the bigger picture — maps below show New York (statewide), not just West Islip. Same company, same dataset, different resolution.

Get this data →
Get this data →
Get this data →
Get this data →
Get this data →

Inventory breakdown

Distribution of the 162 currently-active listings in West Islip, NY. Full dataset covers 8.7K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 1 (0.6%)
$300K–$500K 4 (2.6%)
$500K–$750K 53 (34%)
$750K–$1M 46 (29.5%)
$1M–$2M 44 (28.2%)
$2M+ 8 (5.1%)
Active by bedroom count
Studio/1 bd 2
2 bd 8
3 bd 48
4 bd 58
5+ bd 42
Active by property type
Single Family 156 (96.3%)
Other 3 (1.9%)
Multi Family 2 (1.2%)
Lot 1 (0.6%)

ZIP codes in West Islip

Drill into any ZIP for hex-level breakdowns.

For Developers

Get West Islip, NY data in your app

curl
request
GET https://api.straply.com/v1/markets/city/west-islip-ny
Authorization: Bearer $STRAPLY_KEY
200 OK response
{
  "city": "west-islip-ny",
  "total_tracked": 8739,
  "active": 162,
  "median_list": 811500
}

West Islip, NY real estate: market summary

As of November 2026, Straply tracks 8,739 homes in West Islip, NY, with 162 active for sale at a median list price of $811,500 (~$467/sq ft). Notably, the market is cooling — the median sale price is down 12% year over year.

Median list price
$811,500
Median $/sq ft
$467
Active listings
162
Median sale price
$773,500 (-12% YoY)
Properties tracked
8,739

Frequently asked: West Islip, NY real estate

What is the median home price in West Islip?

The median list price in West Islip, NY is $811,500 (about $467 per square foot), based on 162 active listings tracked by Straply as of November 2026.

What price range are homes in West Islip?

Active listings in West Islip, NY concentrate in: 34% $500k–$750k and 30% $750k–$1m.

Are home prices in West Islip going up or down?

The median sale price is $773,500, down 12% year over year. Straply tracked 193 sales here over the past 12 months.

How many homes are for sale in West Islip?

Straply is tracking 162 active listings in West Islip, NY out of 8,739 properties on record as of November 2026.

How old are the homes in West Islip?

Most homes in West Islip, NY were built in the 1950s. About 13% were built after 1980, while 6% predate 1940. The newest tracked home dates to 2026.

What types of homes are in West Islip?

West Islip, NY is mostly single-family homes (96% of listings).

How many bedrooms do homes in West Islip typically have?

The most common size in West Islip, NY is 4 bd.

What areas are near West Islip?

Nearby markets Straply also tracks include Babylon, Brightwaters, North Babylon, Bay Shore.

Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.