Coldwell Banker Home Page
Skip to main contentColdwell Banker Home Page
Local Realty Service Provided By: Coldwell Banker Advisor Realty
Property view

21 Duffin Avenue, 
West Islip, NY 11795

$645,000

5

Beds

2

Baths

-

Sq Ft

Single Family

Sold

Listed by

Kristin N Lettieri

Bought with Pinpoint Realty LI

Signature Premier Properties

MLS#

3496446

Source:

OneKey MLS

Sorry, we are unable to map this address

About This Home

21 Duffin Avenue

Beautiful split level home in desirable West Islip. Featuring 5 bedrooms, 1.5 baths perfectly situated on a maintained 75x150 lot. Step into a bright and spacious living room then continue into the sunny & open eat-in kitchen with sliders leading to the backyard. The 2nd level features 3 bedrooms & a full family bathroom with a small staircase leading to the 3rd level that features the primary bedroom along with the 5th bedroom. The lower level features a den/family room as well as a half bath and a laundry room and the basement has an additional den/living space with tons of storage! Huge flat backyard with in-ground pool, perfect for entertaining! New roof & siding installed in 2019. Low taxes and just minutes from beaches the Fire Island Lighthouse!

Home Facts

Single Family

2 Baths

5 Bedrooms

Built in 1955

Price Summary

570,000

MLS #:

3496446

Sold:

October 30, 2023

Rooms & Interior

Bedrooms

Total Bedrooms:

5

Bathrooms

Total Bathrooms:

2

Full Bathrooms:

1

Structure

Structure

Architectural Style:

Split Level

Year Built:

1955

Lot

Lot Size (Sq. Ft):

10,890

Finances & Disclosures

Finances

Price:

$570,000

Source:OneKey MLS
Copyright 2026 OneKey MLS. All rights reserved. Listings courtesy of OneKey MLS as distributed by MLS GRID . OneKey MLS provides content displayed here (“provided content”) on an “as is” basis and makes no representations or warranties regarding the provided content, including, but not limited to those of non-infringement, timeliness, accuracy, or completeness. Individuals and companies using information presented are responsible for verification and validation of information they utilize and present to their customers and clients. OneKey MLS will not be liable for any damage or loss resulting from use of the provided content or the products available through Portals, IDX, VOW, and/or Syndication. Recipients of this information shall not resell, redistribute, reproduce, modify, or otherwise copy any portion thereof without the expressed written consent of OneKey MLS.