149 Union Avenue Islip, NY ^$ 624,900

149 Union Avenue

^$ 624,900

Back to search

149 Union Avenue

Islip, NY, 11751

^$ 624,900

Bedrooms3 Baths1.0 Sq 1,539

Monthly Estimate*

^$ 3,848

149 Union Avenue, Islip, NY 11751 - Image 1

149 Union Avenue, Islip, NY 11751 - Image 2

Single Family Home for sale in Islip, NY

for $624,900 with 3 bedrooms and 1 full bath. This 1,539 square foot home was built in 1900 on a lot size of 0.29.

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!

Single Family Coming Soon

Price

^$ 624,900

Bedrooms

Full Bath

Property Type

Single Family

Taxes

^$ 11,796

Style

Colonial

Lot Size

0.29

Year Built

1900

Town/City

Islip

County/Region

Suffolk

MLS | Web ID

963652

Features

Interior

Interior Amenities First Floor Full Bath Entrance Foyer Formal Dining

Basement Bilco Door(s) Unfinished

Flooring Wood

Total Fireplaces 1

Fireplace Features Wood Burning Stove

Basement Features Bilco Door(s) Unfinished

Basement (Y/N) Y

Fireplace Y/N Y

Half Baths 0

Total Bedrooms 3

Total Baths 1

General

Sewer Public Sewer

Heating Oil

Cooling Wall/Window Unit(s)

Utilities Cable Available Electricity Connected Sewer Connected Water Connected

Appliances Dishwasher Dryer Electric Range Electric Water Heater Microwave Refrigerator Stainless Steel Appliance(s) Washer

Patio/Porch Features Deck Porch

Architectural Style Colonial

Construction Materials Frame

Year Built 1900

Property Subtype Single Family Residence

Tax Year 2026

Parcel Number 0500-396-00-05-00-014-000

County Suffolk County

Property Type Residential

HOA N

Garage Y/N N

Total Rooms 8

Full Baths 1

Directions Montauk Highway to Union Ave

High School Islip High School

City Islip

Senior Community Y/N N

High School District Islip

Carport Y/N N

Elementary School Wing Elementary School

Property Attached Y/N N

Tax Annual Amount 11796.2

Showing Instructions Request thru ShowingTime. Call or Text LA with questions. LA accompanies all showings. 24hr notice pls-owners have pets and work from home.

Middle/Junior High School Islip Middle School

Property Condition Actual

Additional Parcels Y/N N

Building Area Units Square Feet

Standard Status Coming Soon

Middle/Junior School District Islip

Elementary School District Islip

Exterior

Fencing Back Yard Fenced Wood

Parking Features Driveway Oversized Driveway Oversized

Water Source Public

Building Area Total 2067

Waterfront Y/N N

Internal Only

Street Number 1 149

* Excluded Features

List By

Colleen K. Colasacco PSA

Listing Agent

Daniel Gale Sothebys Intl Rlty

Broker

631-647-7013

Contact

Affordability Calculator

$4,831

Per Month

Monthly Principal & Interest: $3,848
Monthly Property Taxes: $983
Monthly Home Insurance: --

Set your offer price

Down Payment

Loan Term

Interest Rate

Yearly Property Taxes

Yearly Home Insurance

Default based on a 30-year fixed rate of 6.25% 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.

Learn more about how to save

Discover how much house you can afford

Your dream home may be within reach.

Learn More about how to save

THE TIME TO SELL IS NOW! What's my home worth?

Nearby

Trends
Schools

Single family listings in Islip, NY

Average List Price ^$975,393

Percent of Sale Price 56%

About Islip, NY

337,729 Population

5% Since 2002

^$86,989 Median Income

39.9 Median Age

34% Households with Children

View more area information

Trends Information provided by ATTOM Data Solutions.

4099187 Elementary School

4101461 Middle School

Islip High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
2/21/2026	$624,900		Listed Price

Map

More homes like this one

homes for you

See all

149 Union Avenue, Islip, NY, 11751 is a Single Family Home for sale at $624,900 with 1,539 sqft and a lot size of 0.29. 149 Union Avenue has 3 bedrooms, 1.0 baths, and was built in 1900. The property's zip code is 11751 which is in Islip, NY

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.25% 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.

The data relating to real estate for sale on this website comes in part from the IDX Program of OneKey® MLS.

The source of the displayed data is either the property owner or public record provided by non-governmental third parties. It is believed to be reliable but not guaranteed. This information is provided exclusively for consumers’ personal, non-commercial use.

*Full Name

*Email

*Phone

I am interested in financing options

Get more info

By submitting the form, you agree that Weichert^® may contact you via phone or text about your inquiry, which may involve the use of automated means. You are not required to consent as a condition of purchasing any property, goods or services. For any other information please read our privacy policy.

Get more info

Looking for an Associate?

Already Working with an Associate?

149 Union Avenue

Single Family Home for sale in Islip, NY

Affordability Calculator

Map

More homes like this one

Get more info about this home