Homes Under $500K in Islip, NY

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24 of 27 Listings

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24 of 27 Listings

NewOpen house Sat, Oct 3 · 12:00 PM29

27 listings

Homes Under $500K in Islip, NY

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24 of 27 Listings

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Homes Under $500K in Islip, NY

24 of 27 Listings

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

NewOpen house Sat, Oct 3 · 12:00 PM29

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

Active

$349,803

1 bd · 1 ba · 816 sqft

1056 Village Drive 1056, Islip, NY

Joseph Mendola · Signature Premier Properties

14Active

$345,000

2 bd · 1 ba · 850 sqft

100 Connetquot Avenue 36, Islip, NY

Rosalie Hanson · H & G Realty New York

14Active

$236,990

1 bd · 1 ba · 0 sqft

11 Glen Hollow Drive D-64, Islip, NY

Gail G. Carillo · Coldwell Banker American Homes

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

15Active

$329,999

1 bd · 1 ba · 950 sqft

3221 Wilshire Lane 21E, Islip, NY

Nicole Adams · OverSouth LLC

Open house Sat, Oct 3 · 11:00 AM28Active

$235,000

1 bd · 1 ba · 791 sqft

2439 Union Boulevard 3a, Islip, NY

Kerri Passamenti · BH&G R E Realty Connect

Open house Sat, Oct 3 · 10:30 AM20Active

$259,999

1 bd · 1 ba · 600 sqft

3113 Wilshire 3113, Islip, NY

Dawn DeGirolamo · Douglas Elliman Real Estate

16Active

$239,990

1 bd · 1 ba · 850 sqft

2449 Union Boulevard 21a, Islip, NY

Michael J. Watts · Michael J Watts & Assoc Inc

16Active

$395,000

2 bd · 1 ba · 864 sqft

97 Cardinal Lane 1B, Islip, NY

Peter Ancona · Howard Hanna Coach

Open house Sun, Oct 4 · 12:00 PM14Active

$355,000

1 bd · 1 ba · 950 sqft

3909 Wilshire Lane 3909, Islip, NY

Lisa F. Hendrickson · Douglas Elliman Real Estate

17Active

$279,999

2 bd · 1 ba · 900 sqft

2453 Union Boulevard 39B, Islip, NY

Christine Hodulick · Coldwell Banker American Homes

10Active

$305,000

1 bd · 1 ba · 0 sqft

157 Newbrook Lane 157, Islip, NY

Jack Ramsay · Eric G Ramsay Jr Assoc LLC

Open house Sat, Oct 3 · 12:00 PM17Active

$429,000

2 bd · 1 ba · 1,100 sqft

5218 Wilshire Lane 5218, Islip, NY

Lisa F. Hendrickson · Douglas Elliman Real Estate

17Active

$379,000

1 bd · 1 ba · 900 sqft

251 Village Drive 251, Islip, NY

Michael Marcaccio SRES · Integrity Core Realty

Price Reduced18Active

$430,000

2 bd · 2 ba · 1,345 sqft

20 Laurel Avenue 60, Islip, NY

Matthew Hart · World Prop Intl Sea to Sky

Price ReducedOpen house Sat, Oct 3 · 11:00 AM13Active

$255,000

1 bd · 1 ba · 850 sqft

2397 Union Boulevard 7a, Islip, NY

Nicole A. Calandro · Cornerstone Properties of LI

Price Reduced32Active

$259,900

1 bd · 1 ba · 782 sqft

66 Pinebrook Place 66, Islip, NY

Diane Salvesen · Charles Rutenberg Realty Inc

14Active

$149,900

1 bd · 1 ba · 500 sqft

112 Cardinal Lane 2a, Islip, NY

Richard R. Krug PSA SRES SFR · Coldwell Banker American Homes

Price ReducedOpen house Sun, Oct 4 · 12:00 AM23Active

$325,000

1 bd · 1 ba · 900 sqft

338 Lakeland Avenue 6 E, Islip, NY

Cathi M. Durler · BH&G R E Realty Connect

20Active

$284,999

2 bd · 1 ba · 938 sqft

2449F Union Boulevard 9B, Islip, NY

Nicole Schwartz · RE/MAX Team

Price ReducedOpen house Sat, Oct 3 · 11:30 AM11Active

$329,000

1 bd · 1 ba · 949 sqft

3922 Wilshire Lane H, Islip, NY

Patrick A. Mallilo · Leesa Byrnes Realty Inc

Price ReducedOpen house Sun, Oct 4 · 2:00 PM19Active

$235,000

2 bd · 1 ba · 750 sqft

2453 D Union Boulevard 4a, Islip, NY

Roman Davydov · Exit Realty First Choice

Price Reduced17Active

$220,000

1 bd · 1 ba · 600 sqft

2453 Union Boulevard 24a, Islip, NY

Miles Pollak · Migrate Realty LLC

Price ReducedOpen house Sun, Oct 4 · 11:00 AM27Active

$250,000

2 bd · 1 ba · 925 sqft

2397 Union Boulevard 8a, Islip, NY

Miles Pollak · Migrate Realty LLC

16Active

$239,000

1 bd · 1 ba · 617 sqft

2449F Union Boulevard 12B, Islip, NY

Angela Testa · Signature Premier Properties

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

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

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Registered offenders on the map

Registered offenders on the map

Registered offenders on the map

Your local brokerage

Your local brokerage

Your local brokerage

Listing data & MLS disclosures

Islip housing market

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

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

Islip, NY community profile

Your local brokerage

Listing data & MLS disclosures

Islip housing market

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

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

Islip, NY community profile