West Islip Gem! Beautiful Split-Level home w/side apartment & spacious backyard. This inviting home offers a perfect blend of comfort, functionality and charm. The main level features a bright and open layout with a kitchen, dining room & cozy den, ideal for everyday living and entertaining. Upstairs, the 2nd level offers 3 comfortable bedrooms and a full bath, providing ample space for family or guests. The upper level showcases a primary bedroom suite, a fifth bedroom and another full bath, creating a private retreat with room to grow. Adding exceptional versatility, this home includes a side one-bedroom apartment - perfect for extended family, guests or rental income potential. Enjoy outdoor living in the large backyard, complete w/wood decking & a gazebo ideal for gatherings, barbecues or relaxing in your own private oasis. This unique split-level design combines spacious living with added privacy & income opportunity - truly a home that has it all!
Sold for $750,000
$750,000
9 Duffin Avenue, West Islip, NY 11795
6beds
2,578sqft
Single Family Residence, Residential
Built in 1955
0.25 Acres Lot
$776,600 Zestimate®
$291/sqft
$4,512 Estimated rent
Home value
$776,600
$699,000 - $862,000
$4,512/mo
Zestimate® history
Owner options
List your home for rent
$4,512/mo
Rent Zestimate®
Find your next renter with Zillow Rental Manager. Plus, with online applications, you can quickly screen prospective tenants – for free.
$4,512/mo
Rent Zestimate®
Refinance and save
$5,162/mo
Est. payment
Refinancing to a lower rate could help reduce your monthly payments and save thousands over the life of the loan.
$5,162/mo
Est. payment
Explore your selling options
Work with a Zillow partner agent
Leverage their expertise and Zillow's premium Showcase listings to get your home seen by more buyers.
Get startedList with your own agent
Get your home in front of millions of buyers by listing it on Zillow.
Learn how to do itSell it yourself
Take full control of how buyers see your home on Zillow by listing For Sale by Owner (FSBO).
List your homeWhat's special
Spacious backyardPrimary bedroom suiteComfortable bedroomsBright and open layoutDining roomWood decking
Zillow last checked:
Listing updated:
Listed by:
Julia Johnson 631-831-4759,
Eric G Ramsay Jr Assoc LLC 631-665-1500
Bought with:
Frank Monforte Jr, 10401366023
Bon Anno Realty ERA Powered
Source: OneKey® MLS as distributed by MLS GRID,MLS#: 932931
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 6
- Bathrooms: 3
- Full bathrooms: 3
Primary bedroom
- Description: Primary Bedroom, Bedroom #5, Full Bathroom
- Level: Third
Bedroom 1
- Description: Bedroom #1, Bedroom #2, Bedroom #3, Full Bathroom
- Level: Second
Other
- Description: Kitchen, Dining Room, Den
- Level: First
Other
- Description: Kitchen, Full Bathroom, Living Room, Bedroom #6
- Level: Other
Heating
- Has Heating (Unspecified Type)
Cooling
- Wall/Window Unit(s)
Appliances
- Included: Dishwasher, Dryer, Microwave, Range, Refrigerator, Washer, Gas Water Heater
Features
- Eat-in Kitchen, Formal Dining
- Attic: Partial
- Has fireplace: No
Interior area
- Total structure area: 2,578
- Total interior livable area: 2,578 sqft
Property
Parking
- Parking features: Driveway
- Has uncovered spaces: Yes
Lot
- Size: 0.25 Acres
Details
- Parcel number: 0500413000200038000
- Special conditions: None
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence, Residential
Condition
- Year built: 1955
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
- Utilities for property: Cable Available, Electricity Connected, Natural Gas Connected, Sewer Connected, Water Connected
Community & HOA
HOA
- Has HOA: No
Location
- Region: West Islip
Financial & listing details
- Price per square foot: $291/sqft
- Tax assessed value: $40,300
- Annual tax amount: $12,749
- Date on market: 11/6/2025
- Cumulative days on market: 8 days
- Listing agreement: Exclusive Right To Sell
- Electric utility on property: Yes
Price history
| Date | Event | Price |
|---|---|---|
| 1/5/2026 | Sold | $750,000+0.1%$291/sqft |
Source:  OneKey® MLS as distributed by MLS GRID #932931 Report a problem | ||
| 11/14/2025 | Pending sale | $749,000$291/sqft |
Source: OneKey® MLS as distributed by MLS GRID #932931 Report a problem | ||
| 11/6/2025 | Listed for sale | $749,000$291/sqft |
Source: OneKey® MLS as distributed by MLS GRID #932931 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | -- | $40,300 |
| 2024 | -- | $40,300 |
| 2023 | -- | $40,300 |
| 2022 | -- | $40,300 |
| 2021 | -- | $40,300 |
| 2020 | -- | $40,300 |
| 2019 | -- | $40,300 |
| 2018 | -- | $40,300 |
| 2017 | $10,023 | $40,300 |
| 2016 | -- | $40,300 |
| 2015 | -- | $40,300 |
| 2014 | -- | $40,300 |
| 2013 | -- | $40,300 |
| 2012 | -- | $40,300 |
| 2011 | -- | $40,300 |
| 2010 | -- | $40,300 |
| 2009 | -- | $40,300 |
| 2008 | -- | $40,300 |
| 2007 | $6,967 +4.7% | $40,300 |
| 2005 | $6,656 +9.1% | $40,300 |
| 2004 | $6,100 +9.1% | $40,300 |
| 2003 | $5,593 +5.4% | $40,300 |
| 2002 | $5,304 | $40,300 |
| 2001 | -- | $40,300 |
| 2000 | $5,273 | $40,300 |
Find assessor info on the county website
Neighborhood: 11795
Nearby homes
- $736,800-- bd-- ba-- sqft11 Duffin Ave, West Islip, NY 11795Off Market
- $734,000-- bd-- ba-- sqft7 Duffin Ave, West Islip, NY 11795Off Market
- $735,400-- bd-- ba-- sqft13 Duffin Ave, West Islip, NY 11795Off Market
- $745,2003 bd2 ba2k sqft36 Alinda Ave, West Islip, NY 11795Off Market
- $764,000-- bd-- ba-- sqft5 Duffin Ave, West Islip, NY 11795Off Market
- $934,8005 bd3 ba-- sqft40 Alinda Ave, West Islip, NY 11795Off Market
- $833,100-- bd-- ba-- sqft32 Alinda Ave, West Islip, NY 11795Off Market
- $722,600-- bd-- ba-- sqft8 Duffin Ave, West Islip, NY 11795Off Market
Nearby schools
GreatSchools rating
- 2/10Oquenock Elementary SchoolGrades: PK-5Distance: 0.5 mi
- 7/10Udall Road Middle SchoolGrades: 6-8Distance: 1.3 mi
- 8/10West Islip Senior High SchoolGrades: 9-12Distance: 1.1 mi
Schools provided by the listing agent
- Elementary: Oquenock Elementary School
- Middle: Udall Road Middle School
- High: West Islip Senior High School
Source: OneKey® MLS as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
Get a cash offer in 3 minutes
Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$776,600
Get a cash offer in 3 minutes
Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$776,600
- New York
- Suffolk County
- West Islip
- 11795
- 9 Duffin Avenue
Nearby cities
Nearby zip codes
Other West Islip Topics
