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$624,900 Coming Soon

  • For Sale
  • Coming Soon
  • Single Family
  • 3 Beds
  • 1 Full Bath
  • 2,067 Sq. Ft.
  • Updated 1 day ago

Next open house:

Open House: 11:00 AM - 1:00 PM

Saturday 2/28 11:00 AM - 1:00 PM

149 Union Avenue,Islip, NY 11751

149 Union AvenueIslipNY11751

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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!

Full Property Details for 149 Union Ave

General

  • Price: $624,900
  • Taxes: $11,796
  • Status: Coming Soon
  • Type: Single Family
  • Source: Long_Island
  • MLS ID: 963652
  • Updated: 2/20/2026
  • Expected Market Date: 2/25/2026

Interior

  • Number of Rooms: 8
  • Interior Features: First Floor Full Bath, Entrance Foyer, Formal Dining
  • Fireplace: Yes
  • Number of Fireplaces: 1
  • Fireplace(s): Wood Burning Stove
  • Appliances: Dishwasher, Dryer, Electric Range, Electric Water Heater, Microwave, Refrigerator, Stainless Steel Appliance(s), Washer
  • Laundry Facilities: Yes
  • Flooring: Wood

Rooms

Bathrooms

  • Total Bathrooms: 1
  • Full Bathrooms: 1

Bedrooms

  • Total Bedrooms: 3

Other Rooms

  • Laundry: Inside

Exterior

  • Porch/Patio/Deck: Deck, Porch

Parking

  • Parking Features: Driveway, Oversized

Location

  • County: Suffolk County
  • Cross Streets: Raymond St.
  • Driving Directions: Montauk Highway to Union Ave

School Information

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

Heating & Cooling

  • Cooling Type: Wall/Window Unit(s)
  • Heating Type: Oil

Utilities

  • Sewer: Public Sewer
  • Water: Public
  • Utility Description: Cable Available, Electricity Connected, Sewer Connected, Water Connected

Structural Information

  • Architectural Style: Colonial
  • Detached/Attached: Detached
  • Construction: Frame
  • Basement: Yes
  • Basement Desc.: Bilco Door(s), Unfinished
  • Building Size: 2067
  • Square Feet: 2,067
  • Sq. Ft. Source: Public Records
  • Year Built: 1900

Lot Features

  • Lot Size (Acres): 0.29
  • Lot Size (Sq. Ft.): 12,632
  • Fence: Yes
  • Fencing (Description): Back Yard, Fenced, Wood

Financial Considerations

  • Tax Amount: $11,796.2

Disclosures and Reports

  • Special Conditions: None
  • Property ID: 0500-396-00-05-00-014-000

Listed by Daniel Gale Sothebys Intl Rlty

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Listing agent

— 149 Union Ave —

  • Daniel Gale Sothebys Intl Rlty

631-647-7013

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 149 Union Ave

School District:Islip Union Free School District
NameGradesDistance
Maud S Sherwood Elementary School
301 Smith Avenue, Islip, NY 11751
2-50.4 mi
Wing Elementary School
1 Winganhauppauge Road, Islip, NY 11751
K-11.2 mi
Commack Road Elementary School
300 Commack Road, Islip, NY 11751
2-51.5 mi
Islip Middle School
211 Main Street, Islip, NY 11751
7-80.7 mi
Disclaimer: School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 149 Union Ave Get Price Alerts and Save Property

Date
Details
Price
Change
Source
2/20/2026
Listed
$624,900
54.3%
MLS
11/27/2019
Sold
$405,000
—
Public Record
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Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 149 Union Ave

Year
Property Taxes
Change
Tax Assessment
Change
2020
100%
$33,000
—
2022
-100%
$33,000
—
2016
$9,507
8%
$33,000
—
2017
$8,774
—
$33,000
—
2016
$8,737
—
$33,000
—
2015
$8,758
2%
$33,000
—
2015
$8,626
2%
$33,000
—
2014
$8,422
4%
$33,000
—
2013
$8,107
—
$33,000
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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Listed by Daniel Gale Sothebys Intl Rlty

149 Union Avenue, Islip, NY 11751 (MLS# 963652) is a Single Family property with 3 bedrooms and 1 full bathroom. 149 Union Avenue is currently listed for $624,900 and was received on February 25, 2026. Want to learn more about 149 Union Avenue? Do you have questions about finding other Single Family real estate for sale in Islip? You can browse all Islip real estate or contact a Coldwell Banker agent to request more information.

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