149 Union Avenue, Islip, NY 11751

Local realty services provided by:Better Homes and Gardens Real Estate Green Team
149 Union Avenue,Islip, NY 11751
$624,900
  • 3 Beds
  • 1 Baths
  • 1,539 sq. ft.
  • Single family
  • Active
Upcoming open houses
  • Sat, Feb 28
    11:00 am - 01:00 pm
  • Sun, Mar 01
    12:00 am - 02:00 pm
Listed by: colleen k. colasacco psa
Office: daniel gale sothebys intl rlty
MLS#:963652
Source:OneKey MLS

Price summary

  • Price:$624,900
  • Price per sq. ft.:$302.32

About this home

Professional Photos Soon! Charming Colonial in the heart of Historic Islip, south of Montauk Highway. Combining classic character with thoughtful updates, including a new roof, upgraded 200amp electric, and gorgeous full bath with soaking tub & large separate shower. Enjoy a spacious dining room with a cozy wood burning stove, bright and inviting living room, eat-in kitchen with SS appliances flowing to a den with sliders to a huge, fenced backyard-perfect for relaxing or entertaining. Don't miss this rare opportunity!

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Home facts

  • Year built:1900
  • Listing ID #:963652
  • Added:5 day(s) ago
  • Updated:February 26, 2026 at 04:58 AM

Rooms and interior

  • Bedrooms:3
  • Total bathrooms:1
  • Full bathrooms:1
  • Living area:1,539 sq. ft.

Heating and cooling

  • Heating:Oil

Structure and exterior

  • Year built:1900
  • Building area:1,539 sq. ft.
  • Lot area:0.29 Acres

Schools

  • High school:Islip High School
  • Middle school:Islip Middle School
  • Elementary school:Wing Elementary School

Utilities

  • Water:Public
  • Sewer:Public Sewer

Finances and disclosures

  • Price:$624,900
  • Price per sq. ft.:$302.32
  • Tax amount:$11,796 (2026)
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