Single Family

31 21st Avenue

Pending · Islip · Suffolk County, NY 11706

Asking price$499,000Estimate monthly payment Check current status

Bedrooms: 3 Beds
Bathrooms: 1 Bath
Year built: 1955
Est. monthly taxes: $968.14

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About this home

4 Bedroom 2 Baths, Living Room & Dining Room With Hardwood Floors, Stunning New Granite Eat-In-Kitchen . 4 Bedrooms, 2 Full Baths & . Driveway, Windows throughout, Huge Backyard & Close to All Shopping & Highways. Home is selling (as is as is)

Listing snapshot

Days on site: 59 days
Listed on MLS: Jan 24, 2026
Full baths: 1
Half baths: 0
Annual property tax (MLS): $11,617.62
Tax year: 2025
Area source (MLS): Other
Listing brokerage: Douglas Elliman Real Estate
MLS ID: KEY950674
Last updated: Oct 28, 2026

General features

Property type: Single Family
Property subtype: Single Family Residence
Year built: 1955
Garage: No
Parking: Driveway
Water source: Public
Sewer: Septic Tank
Utilities: Electricity Connected, Natural Gas Connected, Water Connected

Interior features

Basement: Crawl Space
Heating: Natural Gas
Cooling: Wall/Window Unit(s)
Interior: First Floor Bedroom, First Floor Full Bath, Eat-in Kitchen, Formal Dining, Open Kitchen
Appliances: Gas Water Heater
Flooring: Wood
Fireplace: No

Exterior features

Architectural style: Exp Ranch
Construction materials: Vinyl Siding
Private pool: No

Schools (MLS)

Elementary school: Oak Park Elementary School
Elementary school district: Brentwood
Middle school: East Middle School
Middle school district: Brentwood
High school: Brentwood High School
High school district: Brentwood

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

Recent activity

Oct 28, 2026Listing updated from MLS
Aug 30, 2026First seen on this site
Jul 1, 2026MLS status changed

Location

Islip · Suffolk County, NY 11706Show interactive map

31 21st 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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