David E. Cornwell
Licensed Real Estate Salesperson
REALTOR®
Walton, NY
Office: (607) 865-7000 (607) 437-8941

149 Union Avenue, Islip, NY 11751

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Property Description

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 with IGS, perfect for relaxing or entertaining. Don't miss this rare opportunity!

149 Union Avenue | MLS# 963652

This single family home located at 149 Union Avenue, Islip, NY 11751 is currently listed for sale with an asking price of $624,900. This property was built in 1900 and has 3 bedrooms and 1 full baths with 1539 sq. ft. Union Avenue is located within the Islip school district. Search Islip real estate on david-cornwell.timberlandproperties.com today.

Gallery

Property Features

Property Type: Residential - Single Family
Basement: Bilco Door(s), Unfinished
Basement: Yes
Cooling: Wall/Window Unit(s)
Fenced: Yes
Fireplaces: 1
Heating: Oil
Home Style: Colonial
Lot Size: 0.29 Acres
Taxes: $11,796
Year Built: 1900

Amenities

First Floor Full Bath
Entrance Foyer
Formal Dining

Feature Descriptions

Appliances: Dishwasher, Dryer, Electric Range, Electric Water Heater, Microwave, Refrigerator, Stainless Steel Appliance(s), Washer
Attic: Scuttle
Building Area Total: 2067
Days on Site: 10
Exterior: Frame
Fencing: Back Yard, Fenced, Wood
Fireplace Features: Wood Burning Stove
Fireplace Y/N: Yes
Flooring: Wood
Formal Dining: Yes
Laundry: Inside
On Market Date: 2026-02-25
Parcel Number: 0500-396-00-05-00-014-000
Parking Features: Driveway, Oversized
Patio And Porch: Deck, Porch
Rental Term: Monthly
Rooms Total: 8
Sewer: Public Sewer
Utilities: Cable Available, Electricity Connected, Sewer Connected, Water Connected
Water: Public

Local Schools

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

Estimate Your Payment

Estimated Payment

$ 2,556.02 per month $1,390.76 Principal & Interest $983.00 Property Tax $182.26 Homeowner's Insurance

Change Payment Information

%
years/fixed
yearly
yearly (est.)
(Payments are an estimate and may vary by lender)

Demographics

Listed By / Shown By

Listing By

Agency Name: Daniel Gale Sothebys Intl Rlty
Agency Contact: 631-647-7013

Shown By

Agent Name: David E. Cornwell
Agent Phone: (607) 437-8941
Agency Title: Timberland Properties

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All information is deemed reliable but not guaranteed. All properties are subject to prior sale, change, or withdrawal. Neither broker(s), nor agent(s) shall be responsible for any typographical errors, misinformation, or misprints, and shall be held totally harmless. Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information on this site was last updated 03/03/2026. The listing information on this page last changed on 03/03/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Tue 03/03/2026 1:11:47 AM EST) or Global MLS (last updated Tue 03/03/2026 1:06:55 AM EST) or New York State Alliance MLS (last updated Tue 03/03/2026 1:10:29 AM EST) or Hudson Valley Catskill Region MLS (last updated Tue 03/03/2026 12:11:14 AM EST) or OneKey MLS (last updated Tue 03/03/2026 1:10:05 AM EST). Real estate listings held by brokerage firms other than Timberland Properties may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.

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