Single Family

247 Delaware Avenue

Active · Islip · Suffolk County, NY 11706

Asking price$725,000Estimate monthly payment Request a Showing

Bedrooms: 6 Beds
Bathrooms: 3 Baths
Year built: 1961
Est. monthly taxes: $934.26

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About this home

**RARE OPPORTUNITY! SPACIOUS HOME WITH LEGAL RENTAL INCOME POTENTIAL!** Welcome to 247 Delaware Avenue, Bay Shore! This oversized one-family home features **6 bedrooms, 3 full bathrooms**, and a **LEGAL SECOND-FLOOR ACCESSORY APARTMENT**, allowing the owner to live on the first floor while legally renting the second floor for additional income! Situated on an **EXTRA-LARGE 82 x 138 LOT**, this property offers tremendous space and possibilities! The second-floor apartment features a **PRIVATE SIDE ENTRANCE**, providing privacy and convenience for both the homeowner and tenant. The home also boasts a large open basement with plenty of potential. With some TLC and your personal touch, this property can truly shine! **AFFORDABLY PRICED WITH INCREDIBLE VALUE AND INCOME POTENTIAL!** Why pay the entire mortgage yourself when rental income can help offset your monthly expenses? **A RARE FIND WITH ENDLESS POSSIBILITIES—DON'T MISS THIS OPPORTUNITY!**

Listing snapshot

Days on site: 6 days
Listed on MLS: Oct 22, 2026
Full baths: 3
Half baths: 0
Annual property tax (MLS): $11,211.16
Tax year: 2026
Area source (MLS): Public Records
Listing brokerage: NY Homes Realty Group LLC
MLS ID: KEY1066009
Last updated: Oct 23, 2026

General features

Property type: Single Family
Property subtype: Single Family Residence
Year built: 1961
Garage: No
Parking: Driveway
Water source: Private
Sewer: Public Sewer
Utilities: Cable Available, Electricity Connected, Natural Gas Connected

Interior features

Basement: Full
Heating: Hot Air
Cooling: None
Interior: First Floor Bedroom, First Floor Full Bath
Appliances: Gas Range
Fireplace: No

Exterior features

Architectural style: Contemporary
Construction materials: Vinyl Siding
Private pool: No

Schools (MLS)

Elementary school: Mary G Clarkson School
Elementary school district: Bay Shore
Middle school: Bay Shore Middle School
Middle school district: Bay Shore
High school: Bay Shore Senior High School
High school district: Bay Shore

School information is provided by the MLS. Confirm attendance eligibility with the school district.

Recent activity

Oct 23, 2026Listing updated from MLS
Oct 22, 2026First seen on this site
Oct 22, 2026MLS status changed

Location

Islip · Suffolk County, NY 11706Show interactive map

247 Delaware Avenue

Islip · Suffolk County, NY 11706

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Loan detailsFixed-rate, fully amortizing loan. Edit the assumptions below; no market rate is supplied.

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Property expenses (USD)

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