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Bedrooms
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1 home
1 home available
91 Union Avenue, Islip, NY 11751
Down Payment Help
Pending

$729,999
4beds
2bath
2,481sqft
0.21acres
House for Sale

91 Union Avenue, Islip, NY 11751
Listing by: Michael J Watts & Assoc Inc
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400 Broadhollow Road, Suite 5, Farmingdale, NY 11735
Copyright © 2025 OneKey® MLS LLC
Display of MLS Data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals.
































































$729,999
4beds
2full,–half bath
2,481sqft
0.21acres
91 Union Avenue, Islip, NY 11751

NYSuffolk CountyIslip1175191 Union Avenue, Islip, NY 11751
NY/Suffolk County/Islip/11751/91 Union Avenue, Islip, NY 1175191 Union Avenue, Islip, NY 11751
Pending
$729,999
Down Payment Help

4beds
2full,–half bath
2,481sqft
0.21acres
91 Union Avenue, Islip, NY 11751
City/Town:Islip Post Office: Islip
House for Sale by Michael J. Watts, Michael J Watts & Assoc Inc.
Data checked -. Listing last updated 30 days ago.
- Overview
- Details
- Open Houses
- More
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!
Details
Property type
Residential
Year built
1870
Heating
Natural Gas
Cooling
Ductless
Total rooms
7
Garage
Yes (2 space)
City/Town
Islip
Post Office
Islip
Parking spots
-
836404
MLS ID
Pending
Status
03/17/2025
On Market Date
Laundry features
–
Flooring
–
Fireplace
No
Pets allowed
Architectural Style
Colonial
View
–
Interior features
Eat-in Kitchen, Granite Counters
Exterior features
–
Lot features
–
Appliances included
Refrigerator, Washer
Construction materials
Cedar
Monthly taxes
$1,014
Yearly taxes
$12,163
Community Features
-
School district
Islip
Schools
Maud S Sherwood Elementary School, Islip Middle School, Islip High School
Senior community
No
Common Charges
-
Maintenance
-
Additional Fees
-
Open Houses
In-Person
No upcoming in-person open houses
VirtualNo upcoming virtual open houses
Contact Agent
Location
For Sale Nearby
622 Creekside Lane, Fishkill, NY 12524
$675,000
3beds
2.5bath
3,100sqft
–acres
Townhouse for Sale
622 Creekside Lane, Fishkill, NY 12524
Listing by: McGough Realty Corp
4 Baseline Road, Cold Spring, NY 10516
$135,000
2beds
1.5bath
780sqft
–acres
Residential
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Listing by: RE/MAX Town & Country
25 Crest Road, Cold Spring, NY 10516
$950,000
3beds
3.5bath
3,356sqft
–acres
House for Sale
25 Crest Road, Cold Spring, NY 10516
Listing by: Compass Greater NY, LLC
4020 Chestnut Ridge Road # 68, Fishkill, NY 12524
$699,995
3beds
2 full, 2 halfbath
2,190sqft
–acres
Condo for Sale
4020 Chestnut Ridge Road # 68, Fishkill, NY 12524
Listing by: Toll Brothers Real Estate Inc.
4028 Chestnut Ridge Ridge # 64, Fishkill, NY 12524
$657,995
3beds
2 full, 2 halfbath
2,190sqft
–acres
Condo for Sale
4028 Chestnut Ridge Ridge # 64, Fishkill, NY 12524
Listing by: Toll Brothers Real Estate Inc.
17 Michael Drive, Wappingers Falls, NY 12590
$575,000
3beds
2.5bath
2,576sqft
–acres
House for Sale
17 Michael Drive, Wappingers Falls, NY 12590
Listing by: eXp Realty
1548 Route 9 # 12B, Wappingers Falls, NY 12590
$169,900
1beds
1bath
1,000sqft
–acres
Co-op for Sale
1548 Route 9 # 12B, Wappingers Falls, NY 12590
Listing by: BHHS Hudson Valley Properties
15 Evergreen Drive, Wappingers Falls, NY 12533
$750,000
4beds
3bath
2,650sqft
–acres
House for Sale
15 Evergreen Drive, Wappingers Falls, NY 12533
Listing by: BHHS Hudson Valley Properties
11 White Gate Road # 11C, Wappingers Falls, NY 12590
$194,900
1beds
1bath
800sqft
–acres
Condo for Sale
11 White Gate Road # 11C, Wappingers Falls, NY 12590
Listing by: K. Fortuna Realty, Inc.
43 Scarborough Lane # C, Wappingers Falls, NY 12590
$209,000
1beds
1bath
850sqft
–acres
Condo for Sale
43 Scarborough Lane # C, Wappingers Falls, NY 12590
Listing by: Houlihan Lawrence Inc.
Recently Sold
622 Creekside Lane, Fishkill, NY 12524
Closed
$675,000
3beds
2.5bath
436sqft
–acres
Townhouse for Sale
622 Creekside Lane, Fishkill, NY 12524
Listing by: McGough Realty Corp
4 Baseline Road, Cold Spring, NY 10516
Closed
$135,000
2beds
1.5bath
1,250sqft
–acres
Residential
4 Baseline Road, Cold Spring, NY 10516
Listing by: RE/MAX Town & Country
25 Crest Road, Cold Spring, NY 10516
Closed
$950,000
3beds
3.5bath
141,134sqft
–acres
House for Sale
25 Crest Road, Cold Spring, NY 10516
Listing by: Compass Greater NY, LLC
4020 Chestnut Ridge Road # 68, Fishkill, NY 12524
Closed
$699,995
3beds
2 full, 2 halfbath
–sqft
–acres
Condo for Sale
4020 Chestnut Ridge Road # 68, Fishkill, NY 12524
Listing by: Toll Brothers Real Estate Inc.
4028 Chestnut Ridge Ridge # 64, Fishkill, NY 12524
Closed
$657,995
3beds
2 full, 2 halfbath
–sqft
–acres
Condo for Sale
4028 Chestnut Ridge Ridge # 64, Fishkill, NY 12524
Listing by: Toll Brothers Real Estate Inc.
17 Michael Drive, Wappingers Falls, NY 12590
Closed
$575,000
3beds
2.5bath
99,317sqft
–acres
House for Sale
17 Michael Drive, Wappingers Falls, NY 12590
Listing by: eXp Realty
1548 Route 9 # 12B, Wappingers Falls, NY 12590
Closed
$169,900
1beds
1bath
147,233sqft
–acres
Co-op for Sale
1548 Route 9 # 12B, Wappingers Falls, NY 12590
Listing by: BHHS Hudson Valley Properties
15 Evergreen Drive, Wappingers Falls, NY 12533
Closed
$750,000
4beds
3bath
124,146sqft
–acres
House for Sale
15 Evergreen Drive, Wappingers Falls, NY 12533
Listing by: BHHS Hudson Valley Properties
11 White Gate Road # 11C, Wappingers Falls, NY 12590
Closed
$194,900
1beds
1bath
5,227sqft
–acres
Condo for Sale
11 White Gate Road # 11C, Wappingers Falls, NY 12590
Listing by: K. Fortuna Realty, Inc.
43 Scarborough Lane # C, Wappingers Falls, NY 12590
Closed
$209,000
1beds
1bath
–sqft
–acres
Condo for Sale
43 Scarborough Lane # C, Wappingers Falls, NY 12590
Listing by: Houlihan Lawrence Inc.
91 Union Avenue, Islip, NY 11751, is a 4 bedroom, 2 bathroom, 2481 sqft. Single Family Residence built in 1870.
This property is currently available for sale and was listed on OneKey® MLS on 3-17-2025.
The MLS# for this Single Family Residence is MLS# 836404.
Display of MLS Data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals.
Copyright ©2025