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!
Sold for $750,000
$750,000
91 Union Avenue, Islip, NY 11751
4beds
2,481sqft
Single Family Residence, Residential
Built in 1870
9,148 Square Feet Lot
$775,000 Zestimate®
$302/sqft
$3,769 Estimated rent
Home value
$775,000
$698,000 - $860,000
$3,769/mo
Zestimate® history
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$5,206/mo
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List your homeWhat's special
Charming gazeboMeticulously maintained groundsStainless steel appliancesPrime residential blockUpdated eat-in kitchenNew brick pavers
Zillow last checked:
Listing updated:
Listed by:
Michael J. Watts,
Michael J Watts & Assoc Inc 631-650-9933
Bought with:
Michael Watts, 10401315598
Michael J Watts & Assoc Inc
Source: OneKey® MLS as distributed by MLS GRID,MLS#: 836404
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 2
- Full bathrooms: 2
Heating
- Has Heating (Unspecified Type)
Cooling
- Ductless
Appliances
- Included: Refrigerator, Washer
Features
- Eat-in Kitchen, Granite Counters
- Attic: Walkup
Interior area
- Total structure area: 2,481
- Total interior livable area: 2,481 sqft
Property
Parking
- Total spaces: 2
- Parking features: Garage
- Garage spaces: 2
Lot
- Size: 9,148 sqft
Details
- Parcel number: 0500396000400073000
- Special conditions: None
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial
- Property subtype: Single Family Residence, Residential
Materials
- Cedar
Condition
- Year built: 1870
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
- Utilities for property: Electricity Connected, Sewer Connected, Trash Collection Public, Water Connected
Community & neighborhood
Location
- Region: Islip
Other
Other facts
- Listing agreement: Exclusive Right To Sell
Price history
| Date | Event | Price |
|---|---|---|
| 10/22/2025 | Sold | $750,000$302/sqft |
Source: Public Record Report a problem | ||
| 8/13/2025 | Sold | $750,000+2.7%$302/sqft |
Source:  OneKey® MLS as distributed by MLS GRID #836404 Report a problem | ||
| 4/4/2025 | Pending sale | $729,999$294/sqft |
Source: OneKey® MLS as distributed by MLS GRID #836404 Report a problem | ||
| 3/17/2025 | Listed for sale | $729,999+70.8%$294/sqft |
Source: OneKey® MLS as distributed by MLS GRID #836404 Report a problem | ||
| 2/15/2016 | Sold | $427,500+137.5%$172/sqft |
Source: OneKey® MLS as distributed by MLS GRID #L2807116 Report a problem | ||
| 8/4/2015 | Sold | $180,000-37.4%$73/sqft |
Source: Public Record Report a problem | ||
| 2/18/2014 | Listing removed | $287,483$116/sqft |
Source: Realty 3000 Properties #2566413 Report a problem | ||
| 3/20/2013 | Listed for sale | $287,483$116/sqft |
Source: Realty 3000 Properties #2566413 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | -- | $34,800 |
| 2024 | -- | $34,800 |
| 2023 | -- | $34,800 |
| 2022 | -- | $34,800 |
| 2021 | -- | $34,800 |
| 2020 | -- | $34,800 |
| 2019 | -- | $34,800 |
| 2018 | -- | $34,800 |
| 2017 | $9,481 | $34,800 +7.6% |
| 2016 | -- | $32,350 |
| 2015 | -- | $32,350 |
| 2014 | -- | $32,350 |
| 2013 | -- | $32,350 |
| 2012 | -- | $32,350 |
| 2011 | -- | $32,350 |
| 2010 | -- | $32,350 |
| 2009 | -- | $32,350 |
| 2008 | -- | $32,350 |
| 2007 | $7,450 +16.3% | $32,350 |
| 2005 | $6,404 +6.5% | $32,350 |
| 2004 | $6,013 +9.5% | $32,350 |
| 2003 | $5,491 +5.9% | $32,350 |
| 2002 | $5,184 | $32,350 |
| 2001 | -- | $32,350 |
| 2000 | $4,593 | $32,350 |
Find assessor info on the county website
Neighborhood: 11751
Nearby schools
GreatSchools rating
- 6/10Maud S Sherwood Elementary SchoolGrades: 2-5Distance: 0.6 mi
- 5/10Islip Middle SchoolGrades: 6-8Distance: 0.6 mi
- 7/10Islip High SchoolGrades: 9-12Distance: 0.6 mi
Schools provided by the listing agent
- Elementary: Maud S Sherwood Elementary School
- Middle: Islip Middle School
- High: Islip High School
Source: OneKey® MLS as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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Estimated market value
$775,000
Get a cash offer in 3 minutes
Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$775,000
- New York
- Suffolk County
- Islip
- 11751
- 91 Union Avenue
Nearby cities
Nearby zip codes
Other Islip Topics
