Single Family

54 Oneill Avenue

Active · Islip · Suffolk County, NY 11706

Asking price$649,950Estimate monthly payment Request a Showing

Bedrooms: 6 Beds
Bathrooms: 2 Baths
Year built: 1907
Est. monthly taxes: $1,157.17

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About this home

Colonial style home with huge ancillary structure on a large parcel with exceptional potential. This property is centrally located providing close proximity to local amenities and is a great opportunity.

Listing snapshot

Days on site: 49 days
Listed on MLS: Sep 4, 2026
Full baths: 2
Half baths: 0
Annual property tax (MLS): $13,886
Tax year: 2026
Area source (MLS): Public Records
Listing brokerage: Island Advantage Realty LLC
MLS ID: KEY1045756
Last updated: Oct 17, 2026

General features

Property type: Single Family
Property subtype: Single Family Residence
Year built: 1907
Garage: Yes
Garage spaces: 2
Parking: Detached
Water source: Other
Sewer: Other
Utilities: See Remarks

Interior features

Heating: Other
Cooling: None
Interior: First Floor Bedroom, First Floor Full Bath, Eat-in Kitchen, Soaking Tub
Appliances: None
Flooring: Combination

Exterior features

Architectural style: Colonial
Construction materials: Frame
Private pool: No

Schools (MLS)

Elementary school: Brook Avenue Elementary 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 17, 2026Listing updated from MLS
Sep 9, 2026First seen on this site
Sep 4, 2026MLS status changed

Location

Islip · Suffolk County, NY 11706Show interactive map

54 Oneill Avenue

Islip · Suffolk County, NY 11706

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Payment method

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

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Property expenses (USD)

Annual property taxMonthly association / maintenance fees

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Estimated monthly principal & interest—

Monthly property taxNot provided

Monthly association / maintenance feesNot provided

Estimated monthly total of entered costs—

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Listing data is supplied by the MLS and may change without notice.

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