Islip NY FSBO Homes (699)

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We have 699 homes for sale by owner in Islip, NY. The median list price in Islip, NY is $575,000 and the average price per square foot is $63,688.

Homes For Sale

$949,990

4 Bed
3 Bath
2,328 Sqft
0.24 Acre(Lot)

32 Kent Court, West Islip, NY

Come look at this renovated mint orlando colonial w/2,328 sf & expanded kitchen & den. entrance hallway, living... Read More

Homes For Sale

$899,999

5 Bed
3 Bath
3,236 Sqft
0.5 Acre(Lot)

2 Belmont Court, Holbrook, NY

Welcome to this stunning expanded center hall colonial, nestled on a private 1/2-acre lot on the corner of two... Read More

Homes For Sale

$670,000

6 Bed
4 Bath
1,402 Sqft
0.45 Acre(Lot)

84 Gates Avenue, Central Islip, NY

Spacious 6 bedrooms ranch, possible mother/daughter with proper permits.hardwood floors thru-out. open floor... Read More

Homes For Sale

$649,999

4 Bed
2 Bath
1,426 Sqft
0.14 Acre(Lot)

62 Ogden Road, West Islip, NY

This stunning, fully renovated four-bedroom, two full-bathroom exp cape home in west islip offers modern living... Read More

Homes For Sale

$974,990

4 Bed
2 Bath
1,834 Sqft

239 Greene Avenue, Sayville, NY

Beautiful property situated on nearly ¾ of an acre of completely fenced in grounds in south sayville. house... Read More

Homes For Sale

$629,900

5 Bed
2 Bath
1,603 Sqft
0.25 Acre(Lot)

61 Arch Drive, Holbrook, NY

Welcome to this 1603 square foot hi-ranch style home where mrs. clean lived since 1965, located mid block on low... Read More

Homes For Sale

$639,000

3 Bed
3 Bath
1,000 Sqft

18 Marvin Road, Bay Shore, NY

Welcome to this charming 3-bedroom, 3 bathroom ranch perfectly located and near all major highways, the lirr,... Read More

Homes For Sale

$599,000

4 Bed
2 Bath
2,400 Sqft
0.32 Acre(Lot)

63 Udall Road, Islip, NY

This vintage 1906 colonial farmhouse boasts a welcoming entrance foyer, which flows into an open, spacious... Read More

Pending

Homes For Sale

$550,000

5 Bed
3 Bath
1,463 Sqft
0.25 Acre(Lot)

624 Peter Paul Drive, West Islip, NY

Bring your imagination to help make this home your very own. 5 level split style home with 4/5 bedrooms, 3 full... Read More

Homes For Sale

$835,750

3 Bed
3 Bath
0.67 Acre(Lot)

91 S Penataquit Avenue, Bay Shore, NY

In times of uncertainty why not buy yourself any certainty? this will never change. location is the best.... Read More

Pending

Homes For Sale

$599,000

3 Bed
2 Bath
1,400 Sqft
0.45 Acre(Lot)

20 Crestwood Road, Bohemia, NY

Welcome to 20 crestwood road! impeccably maintained by the owners of over 60 years and available for the first... Read More

Homes For Sale

$500,000

4 Bed
2 Bath
1,099 Sqft
0.68 Acre(Lot)

1068 Connetquot Avenue, Central Islip, NY

Fixer-upper opportunity! perfect for a 203k or renovation loan! this 4-bedroom, 2-bath ranch in central islip... Read More

Homes For Sale

$550,000

3 Bed
2 Bath
1,659 Sqft
0.26 Acre(Lot)

1410 Union Boulevard, Bay Shore, NY

Built in 1925, this beautifully maintained 3 bedroom 2 full bath ranch home located in the heart of bay shore... Read More

Homes For Sale

$599,999

4 Bed
2 Bath
1,666 Sqft

1026 Commack Road, Brentwood, NY

Welcome to south brentwood. this charming 4 bedroom, 2 bath high-ranch is perfectly located near the southern... Read More

Homes For Sale

$625,000

3 Bed
2 Bath
3,000 Sqft
0.25 Acre(Lot)

1069 Reilly Street, Bay Shore, NY

Welcome to this charming 3-bedroom, 2-bathroom ranch-style home situated on a spacious quarter-acre lot in bay... Read More

Homes For Sale

$699,000

3 Bed
3 Bath
2,197 Sqft
0.25 Acre(Lot)

532 Bellmore Street, West Islip, NY

Welcome to this completely renovated open layout 3 br 3 bath ranch with room for extended family. new features... Read More

Pending

Homes For Sale

$939,000

5 Bed
3 Bath
3,737 Sqft
0.48 Acre(Lot)

378 Ridgefield Road, Hauppauge, NY

This stunning 5-bedroom, 3-bathroom farmhouse is a true standout, offering 3,700 sq ft of beautifully renovated... Read More

Pending

Homes For Sale

$499,000

3 Bed
1 Bath
1,200 Sqft
0.11 Acre(Lot)

187 Islip Boulevard, Islip Terrace, NY

Don't miss this opportunity within east islip school district !!! this adorable 3 bedroom 1 bath home also has a... Read More

Homes For Sale

$729,722

3 Bed
2 Bath
1,853 Sqft
0.25 Acre(Lot)

7 Loop Drive, Sayville, NY

Immaculate "l" shaped ranch in move in condition. countless updates in the open and airy floor plan.

Pending

Homes For Sale

$425,000

2 Bed
1 Bath
1,122 Sqft
0.2 Acre(Lot)

652 Durham Road, Sayville, NY

Charming 2-bedroom, 1-bath home in the heart of sayville! this 1,121 sq. ft. home sits on a 0.2-acre lot and... Read More

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Islip - Statistics and Home Trends

Actives Activity Chart

Homes For Sale By Owner in Islip 736

	Average Price
1 Bed Homes For Sale in Islip (2)	$ 90,000
2 Bed Homes For Sale in Islip (58)	$ 388,906
3 Bed Homes For Sale in Islip (258)	$ 631,007
4 Bed Homes For Sale in Islip (251)	$ 858,839
5+ Bed Homes For Sale in Islip (148)	$ 1,486,547

AVERAGE PRICE

$ 691,060

NEW LISTINGS THIS WEEK

721

PRICE PER SQUARE FOOT

$ 461

Condos For Sale By Owner in Islip 92

	Average Price
1 Bed Condos For Sale in Islip (6)	$ 292,000
2 Bed Condos For Sale in Islip (61)	$ 567,665
3 Bed Condos For Sale in Islip (17)	$ 628,999
4 Bed Condos For Sale in Islip (8)	$ 879,625

AVERAGE PRICE

$ 647,065

NEW LISTINGS THIS WEEK

PRICE PER SQUARE FOOT

$ 436

Townhomes For Sale By Owner in Islip 3

	Average Price
2 Bed Townhomes For Sale in Islip (1)	$ 499,999
3 Bed Townhomes For Sale in Islip (2)	$ 514,450

AVERAGE PRICE

$ 621,640

NEW LISTINGS THIS WEEK

PRICE PER SQUARE FOOT

$ 445

Land For Sale By Owner in Islip 18

	Average Price
Land For Sale in Islip (18)	$ 650,002

AVERAGE PRICE

$ 650,002

NEW LISTINGS THIS WEEK

PRICE PER SQUARE FOOT

$ N/A

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Learn More About Islip, New York

Currently there are 736 homes for sale, 92 condos and apartments for sale, 18 vacant land for sale and 3 townhomes for sale in Islip

Currently Islip has 849 properties on the market for sale. The inventory was last updated 04/01/2025. Of these properties, 736 single family homes are for sale by their owners in Islip, and 92 condos are for sale by their owners in Islip. The average price of the single family homes for sale in Islip, is $691,060, the average condo price in Islip, is $647,065. The average price per square foot of the active inventory is $336. This is based the living area square footage.

Over the last year, there have been 0 of properties sold in Islip. Of these properties, 0 single family homes have sold by their owners in Islip, and 0 condos have sold by their owners in Islip. The average sales price of the single family homes sold in Islip, is $. Single family homes have been selling for per square foot of living area. The average sales price of the condos for sale in Islip, is $. Condos have been selling for per square foot of living area.

The most active subdivisions with listings for sale in Islip, are:

If you are thinking of selling your Islip home, try our flat fee listing service, Our list fees start at $449, and may save you $15,000 in real estate commissions. Click here to start saving.

Disclaimer: Listing broker has attempted to offer accurate data, but buyers/lessees are advised to confirm all information IDX information is provided exclusively for consumers' personal, non-commercial use that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that data is deemed reliable but is not guaranteed accurate by the MLS. The MLS may, at its discretion, require use of other disclaimers as necessary to protect Participants and/or the MLS from liability.
This data up-to-date as of 04/01/2025

Islip NY FSBO Homes (699)

32 Kent Court, West Islip, NY

2 Belmont Court, Holbrook, NY

84 Gates Avenue, Central Islip, NY

62 Ogden Road, West Islip, NY

239 Greene Avenue, Sayville, NY

61 Arch Drive, Holbrook, NY

18 Marvin Road, Bay Shore, NY

63 Udall Road, Islip, NY

624 Peter Paul Drive, West Islip, NY

91 S Penataquit Avenue, Bay Shore, NY

20 Crestwood Road, Bohemia, NY

1068 Connetquot Avenue, Central Islip, NY

1410 Union Boulevard, Bay Shore, NY

1026 Commack Road, Brentwood, NY

1069 Reilly Street, Bay Shore, NY

532 Bellmore Street, West Islip, NY

378 Ridgefield Road, Hauppauge, NY

187 Islip Boulevard, Islip Terrace, NY

7 Loop Drive, Sayville, NY

652 Durham Road, Sayville, NY

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Islip - Statistics and Home Trends

Actives Activity Chart

AVERAGE PRICE

NEW LISTINGS THIS WEEK

PRICE PER SQUARE FOOT

AVERAGE PRICE

NEW LISTINGS THIS WEEK

PRICE PER SQUARE FOOT

AVERAGE PRICE

NEW LISTINGS THIS WEEK

PRICE PER SQUARE FOOT

AVERAGE PRICE

NEW LISTINGS THIS WEEK

PRICE PER SQUARE FOOT

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Learn More About Islip, New York

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