Real Estate Data API

Islip NY

145 active listings out of 5.4K total properties we track across 12 Islip ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
145
Median
$599K
-0.8%
Sold Sep
7
-36.4%
Tracked
5.4K

Download 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 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 145 currently-active listings in Islip, NY. Full dataset covers 5.4K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 54 (38.8%)
$300K–$500K 8 (5.8%)
$500K–$750K 51 (36.7%)
$750K–$1M 18 (12.9%)
$1M–$2M 4 (2.9%)
$2M+ 4 (2.9%)
Active by bedroom count
Studio/1 bd 32
2 bd 26
3 bd 37
4 bd 24
5+ bd 23
Active by property type
Single Family 85 (58.6%)
Condo 47 (32.4%)
Other 7 (4.8%)
Manufactured 4 (2.8%)
Lot 2 (1.4%)
For Developers

Get Islip, NY data in your app

curl
request
GET https://api.straply.com/v1/markets/city/islip-ny
Authorization: Bearer $STRAPLY_KEY
200 OK response
{
  "city": "islip-ny",
  "total_tracked": 5367,
  "active": 145,
  "median_list": 599000
}

Islip, NY real estate: market summary

As of November 2026, Straply tracks 5,367 homes in Islip, NY, with 145 active for sale at a median list price of $599,000 (~$368/sq ft). Notably, it has notably historic housing — 19% of homes predate 1940.

Median list price
$599,000
Median $/sq ft
$368
Active listings
145
Median sale price
$650,000 (-1% YoY)
Properties tracked
5,367

Frequently asked: Islip, NY real estate

What is the median home price in Islip?

The median list price in Islip, NY is $599,000 (about $368 per square foot), based on 145 active listings tracked by Straply as of November 2026.

What price range are homes in Islip?

Active listings in Islip, NY concentrate in: 39% under $300k and 37% $500k–$750k.

Are home prices in Islip going up or down?

The median sale price is $650,000, down 1% year over year. Straply tracked 138 sales here over the past 12 months.

How many homes are for sale in Islip?

Straply is tracking 145 active listings in Islip, NY out of 5,367 properties on record as of November 2026.

How old are the homes in Islip?

Most homes in Islip, NY were built in the 1970s. About 15% were built after 1980, while 19% predate 1940. The newest tracked home dates to 2026.

What types of homes are in Islip?

Islip, NY is mostly single-family homes (59% of listings). Also common: condos 32%.

How many bedrooms do homes in Islip typically have?

The most common size in Islip, NY is 3 bd.

What are the most active ZIP codes in Islip?

The ZIP codes with the most active listings in Islip, NY are 11751, 11706, 11750.

What areas are near Islip?

Nearby markets Straply also tracks include East Islip, Islip Terrace, Bay Shore, Brightwaters.

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