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Co-ops in Islip, NY

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4 of 28 Listings

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Co-ops in Islip, NY

4 of 28 Listings

16Active
$239,000

Co-ops in Islip, NY — Page 2

28 listings

Co-ops in Islip, NY

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4 of 28 Listings

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Co-ops in Islip, NY

4 of 28 Listings

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

16Active
$239,000

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

1 bd · 1 ba · 617 sqft

2449F Union Boulevard 12B, Islip, NY

Angela Testa · Signature Premier Properties

7Active

$250,000

1 bd · 1 ba · 0 sqft

5 Pinebrook Place 5, Islip, NY

Scarlett Ramsay · Eric G Ramsay Jr Assoc LLC

18Active

$227,000

1 bd · 1 ba · 825 sqft

2453D Union Boulevard 2a, Islip, NY

Steve Lazo · Real Broker NY LLC

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

Price Reduced16Active

$189,000

1 bd · 1 ba · 600 sqft

2449 Union Boulevard 24a, Islip, NY

Suzanne Venus · Signature Premier Properties

1 2

Listing data & MLS disclosures

OneKey MLS: The data relating to real estate for sale on this website comes in part from the Internet Data exchange of OneKey MLS. IDX information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information deemed reliable but not guaranteed. Copyright © 2026 OneKey MLS. All Rights Reserved

Islip housing market

August 2026 · This period is still settling

Selling at 101.3% of asking price

Buyers here are paying above asking. MLS · 12 sales · as of Aug 31, 2026

Homes on the market · MLS, as of Aug 24, 2026–Aug 31, 2026

Median list price: $525,000
Homes for sale: 27
Median days on market: 15 days

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Aug 19, 2026

Median home size: 1,687 sq. ft.

Islip, NY community profile

Area: 5.1 sq. mi.

Source: HJN community data

L. Custen Realty, Inc. d/b/a Realty.com/L. Custen Realty CT, LLC d/b/a Realty.com (Tom O’Leary-Broker)(CT properties only), 8323 Southwest Freeway, Suite 900, Houston, Texas 77074

The information provided by this website is for the personal, non-commercial use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Listing data is derived from various Multiple Listing Services; each source MLS and its required disclaimer are shown with the listings on the applicable page. Realty.com is an independently owned and operated brokerage.

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

Listing data & MLS disclosures

OneKey MLS: The data relating to real estate for sale on this website comes in part from the Internet Data exchange of OneKey MLS. IDX information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information deemed reliable but not guaranteed. Copyright © 2026 OneKey MLS. All Rights Reserved

Islip housing market

August 2026 · This period is still settling

Selling at 101.3% of asking price

Buyers here are paying above asking. MLS · 12 sales · as of Aug 31, 2026

Homes on the market · MLS, as of Aug 24, 2026–Aug 31, 2026

Median list price: $525,000
Homes for sale: 27
Median days on market: 15 days

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Aug 19, 2026

Median home size: 1,687 sq. ft.

Islip, NY community profile

Area: 5.1 sq. mi.

Source: HJN community data