Single Family

86 Union Avenue

Active · Islip · Suffolk County, NY 11751

Asking price$699,990Estimate monthly payment Request a Showing

Bedrooms: 3 Beds
Bathrooms: 2 Baths
Year built: 1892
Est. monthly taxes: $858.25

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About this home

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!

Listing snapshot

Days on site: 29 days
Listed on MLS: Sep 29, 2026
Full baths: 1
Half baths: 1
Annual property tax (MLS): $10,299
Tax year: 2025
Area source (MLS): Public Records
Listing brokerage: Michael J Watts & Assoc Inc
MLS ID: KEY1048892
Last updated: Oct 15, 2026

General features

Property type: Single Family
Property subtype: Single Family Residence
Year built: 1892
Garage: Yes
Garage spaces: 2
Parking: Detached
Water source: Public
Sewer: Public Sewer
Utilities: Electricity Connected, Natural Gas Connected, Sewer Connected

Interior features

Basement: Unfinished
Heating: Hot Water, Natural Gas
Cooling: None
Interior: Storage
Appliances: Dishwasher, Gas Range, Refrigerator

Exterior features

Architectural style: Colonial
Construction materials: Frame
Private pool: No

Schools (MLS)

Elementary school: Maud S Sherwood Elementary School
Elementary school district: Islip
Middle school: Islip Middle School
Middle school district: Islip
High school: Islip High School
High school district: Islip

School information is provided by the MLS. Confirm attendance eligibility with the school district.

Recent activity

Oct 15, 2026Listing updated from MLS
Sep 29, 2026First seen on this site
Sep 29, 2026MLS status changed

Location

Islip · Suffolk County, NY 11751Show interactive map

86 Union Avenue

Islip · Suffolk County, NY 11751

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Loan detailsFixed-rate, fully amortizing loan. Edit the assumptions below; no market rate is supplied.

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Property expenses (USD)

Annual property taxMonthly association / maintenance fees

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