Back 91 Union Ave
Off Market

91 Union Ave

Islip NY 11751

4
2
2
2481 sq. ft.
9148 sq. ft.
Single-Family
Last sold for $750,000
Michael J. WattsMichael J. Watts, last sold this property on 13 August 2025 after 148 days on market.

Overview

This beautifully restored Colonial is located in a prime residential block, just south of Montauk and in close proximity to the vibrant Main St. area, offering a variety of restaurants, charming boutiques, and local beaches. This home features a bright and open floor plan, with an updated eat-in kitchen and stainless steel appliances. With 4 spacious bedrooms and 2 full baths, this property offers comfort and style. The meticulously maintained grounds include new brick pavers and a charming gazebo, perfect for outdoor relaxation and entertainment. A true gem in a highly desirable area!

Features

4 bedrooms
2 bathrooms
2 carspaces
2 garage spaces
2481 sq. ft. floor area
9148 sq. ft. lot size
Single-Family

Estimated Value

Based on this property and similar 4 bedroom single-family properties sold in Islip over the last 12 months, the estimated median property value of 91 Union Ave is $750k.

Median value
$750k
Estimated value range
$480k - $3.85m
Median days on market
29
Estimated value trend
7%
increase over the last 12 months
Average days on market is based on recent, comparable sales in 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 91 Union Ave

2025
Sold
$750,000
13 Aug 2025 by Michael J. Watts, of Michael J Watts & Assoc Inc
2016
Sold
$427,500
15 Feb 2016 by Michael Costanza, of Design Realty of Long Island - Holtsville

Happy sellers in Islip

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

Local market activity for 4 bedroom single-family properties in Islip

In the last 12 months, 44 four-bedroom single-family properties similar to 91 Union Ave, have been sold.

This represents a 87% decrease in four-bedroom single-family properties sales when compared to the previous 12 months.

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