19 William Ave

East Islip NY 11730

1496 sq. ft.

10890 sq. ft.

Single-Family

Last sold for $710,000

Matthew Arnold, last sold this property on 15 December 2025 after 67 days on market.

Overview

Conveniently located near town, the marina, and shopping, this beautifully restored 1890s home perfectly blends timeless character with today’s modern charm. Step inside to find stunning wide-plank wood floors and an open floor plan that creates warmth and functionality throughout. The spacious living room, inviting sitting area, and formal dining room offer plenty of space for gatherings. The gorgeous, updated eat-in kitchen features marble countertops and abundant cabinetry, making it both stylish and practical. With two updated bathrooms and three comfortable bedrooms, this home provides the ideal combination of comfort and elegance. Enjoy the park-like backyard complete with an entertaining deck, patio, and relaxing jacuzzi. A one-car garage adds convenience—all within the desirable East Islip School District.

Features

3 bedrooms

2 bathrooms

1 carspace

1 garage space

1496 sq. ft. floor area

10890 sq. ft. lot size

Single-Family

Estimated Value

Based on this property and similar 3 bedroom single-family properties sold in East Islip over the last 12 months, the estimated median property value of 19 William Ave is $725k.

Median value

$725k

Estimated value range

$570k - $1.52m

Median days on market

Estimated value trend

increase over the last 12 months

Average days on market is based on recent, comparable sales in East Islip. It is only an indication of the time a property is actively listed and should not be relied upon as an accurate representation of how soon a property will be sold.

Property history for 19 William Ave

2025

Sold

$710,000

15 Dec 2025 by Matthew Arnold, of Netter Real Estate Inc

2022

Sold

$575,000

07 Apr 2022 by Jeffrey Mistretta, of Exit Realty Achieve

2016

Sold

$385,000

13 May 2016 by Debra Shea, of Douglas Elliman Real Estate

Happy sellers in East Islip

We have insufficient information to provide an overview of customer satisfaction for East Islip. Viewing the agent profiles, reviews and sales for East Islip can provide insights for this location.