86 Union Avenue Islip, NY $ 699,990
86 Union Avenue
$ 699,990
Recently Listed
Open House 10/3 1pm - 3pm
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86 Union Avenue

Islip, NY, 11751
$ 699,990
Bedrooms3 Baths1.1 Sq 1,236

Monthly Estimate*

$ 4,420

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Single Family Home for sale in Islip, NY

for $699,990 with 3 bedrooms and 1 full bath, 1 half bath. This 1,236 square foot home was built in 1892 on a lot size of 0.25.

Bring your vision to 86 Union Ave, a charming Islip property with classic character and an exceptional location! This traditional home features a welcoming covered front porch, distinctive architectural details, and a spacious, level lot with a detached garage/outbuilding. The generous grounds offer plenty of possibilities for outdoor living, gardening, recreation, or future improvements. Ideally situated directly next to the Islip Public Library and close to local shops, restaurants, parks, and village amenities. A unique opportunity to restore, renovate, and make this property your own in a highly desirable Islip location!

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Open House

10/3/2026 1:00 PM - 3:00 PM
10/4/2026 1:00 PM - 3:00 PM
86 Union Avenue Islip, NY
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Single Family Active

Price

$ 699,990

Bedrooms

3

Full Bath

1

Half Bath

1

Property Type

Single Family

Taxes

$ 10,299

Style

Colonial

Lot Size

0.25

Year Built

1892

Town/City

Islip

County/Region

Suffolk

MLS | Web ID

1048892

Features
Interior
Interior Amenities Storage
Basement Unfinished
Basement Features Unfinished
Basement (Y/N) Y
Half Baths 1
Total Bedrooms 3
Total Baths 2
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General
Sewer Public Sewer
Heating Hot Water Natural Gas
Cooling None
Utilities Electricity Connected Natural Gas Connected Sewer Connected
Appliances Dishwasher Gas Range Refrigerator
Garage Spaces 2
Architectural Style Colonial
Construction Materials Frame
Year Built 1892
Property Subtype Single Family Residence
Tax Year 2025
Parcel Number 0500-396-00-04-00-070-000
County Suffolk County
Property Type Residential
HOA N
Garage Y/N Y
Total Rooms 6
Full Baths 1
High School Islip High School
City Islip
Senior Community Y/N N
High School District Islip
Carport Y/N N
Elementary School Maud S Sherwood Elementary School
Property Attached Y/N N
Tax Annual Amount 10299
Middle/Junior High School Islip Middle School
Building Area Units Square Feet
Standard Status Active
Middle/Junior School District Islip
Elementary School District Islip
Tax Assessed Value 28600
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Exterior
Parking Features Detached Detached
Water Source Public
Building Area Total 1994
Waterfront Y/N N
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Internal Only
Street Number 1 86
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* Excluded Features
List By
Michael J. Watts

Listing Agent

Michael J Watts & Assoc Inc

Broker

631-650-9933

Contact

Affordability Calculator

$5,278
Per Month
84%
16%
0%
Monthly Principal & Interest
$4,420
Monthly Property Taxes
$858
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4099957 Elementary School
4101461 Middle School
Islip High School High School
Pricing History
DatePricePrice ChangeDescription
9/29/2026$699,990 Listed Price

Map


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86 Union Avenue, Islip, NY, 11751 is a Single Family Home for sale at $699,990 with 1,236 sqft and a lot size of 0.25. 86 Union Avenue has 3 bedrooms, 1.1 baths, and was built in 1892. The property's zip code is 11751 which is in Islip, NY