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Legal Two-Family Duplex
For Sale
$785,000
Pending

527 Milligan Lane, West Islip, NY 11795

Residential Income, West Islip, NY

Property SizeContact for details
Lot Size0.23 Acres
Days on Market79

Property Features for 527 Milligan Lane

General Information

Property type Residential Multi Family
Property subtype Duplex
Bedrooms 4
Bathrooms 2
Full bathrooms 2
Rooms Bedroom 1, Bathroom 2, Dining Room, Bedroom 4, Bedroom 2, Bedroom 3, Bathroom 1
Parking features Garage, On Street, Driveway, Open
Interior features First Floor Bedroom, First Floor Full Bath, Chefs Kitchen, Crown Molding, Eat-in Kitchen, Entrance Foyer, Formal Dining, In-Law Floorplan, Quartz/Quartzite Counters, Recessed Lighting, Storage, Washer/Dryer Hookup
Elementary school Bayview Elementary School
Middle school Beach Street Middle School
High school West Islip Senior High School
Elementary school district West Islip
Middle school district West Islip
High school district West Islip
Standard status Pending
APN 0500-468-00-03-00-090-000
Lot size 0.23 Acres

Taxes and HOA fees

Tax Year 2026
Tax Annual Amount 13709

Utilities

Sewer type Public Sewer
Heating system Baseboard
Cooling system Window Unit(s), Wall/Window Unit(s)
Water source Public

Building Details

Year built 1930
Number of units 2
Flooring type Hardwood
Building materials Frame
Architectural style Other
Additional Structures Storage
Listing Agency: Coldwell Banker American Homes · Coldwell Banker Real Estate
Listed By: Nicholas A. Pappas
Added: Jul 9 Changed: Sep 12 Last Checked: Sep 25 at 12:06PM
MLS# 1023489

Copyright © 2026 OneKey MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

Investment Insights

Based on property information with market context.

This legal two-family duplex was built in 1930 and occupies a 0.23-acre landscaped parcel measuring 100 feet by 100 feet. The first-floor apartment includes two bedrooms, a full bathroom, hardwood floors, an updated kitchen with quartz counters and new appliances, and a first-floor bedroom. The upper apartment provides two large bedrooms, an eat-in kitchen with granite counters, a spacious living room, and a formal dining room that can accommodate a third bedroom or home office. Both units include practical residential features such as storage and washer/dryer hookups.

The property includes a detached two-car garage, driveway parking, open parking, and on-street parking. Public water and public sewer serve the property, with baseboard heat and window or wall/window unit cooling. Located on Milligan Lane in West Islip, the property also offers a maintained yard and frame construction.

Key Highlights

  • Legal two‑family property documented by certificate of occupancy
  • First‑floor unit with 2 bedrooms, 1 full bath, hardwood floors, quartz counters, and new appliances
  • Upper apartment includes 2 large bedrooms, granite‑counter kitchen, living room, and formal dining room

Property Analytics

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Current Use

Duplexes

Suggested Use

Top Pick Hair Salon (Bike/Boat/Book/etc) Store Computer & Electronic Repair Real Estate Agency Daycare Center Carpet & Flooring Store

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

2
Residential units

Location Intelligence

Trade Area within ½ mile

899
Businesses Nearby

Demographics for 11795, NY

25,344
Population
8,166
Households
3.1
Avg Household Size
43
Median Age
51%
College-Educated
96%
High-School Grad
5.7 sq mi
ZIP Area
4,446
Density / Sq Mi
$171,068
Median Household Income
$67,874
Median Earnings
$2,660
Median Rent
$598,800
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Vacancy Rate% for Multifamily in Northeast region

4% 2022
4.6% 2023
5.3% 2024
5.6% 2025
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Frequently Asked Questions

What type of property is this?
Duplex - Separate apartments feature updated kitchens, hardwood flooring, dedicated bedrooms, and access to a detached garage.
Where is this duplex located?
The property is located at 527 Milligan Lane West Islip, NY.
What is the asking price?
The asking price for this property is $785,000.
What are key features of this property?
This property features: Legal two‑family property documented by certificate of occupancy; First‑floor unit with 2 bedrooms, 1 full bath, hardwood floors, quartz counters, and new appliances; Upper apartment includes 2 large bedrooms, granite‑counter kitchen, living room, and formal dining room
More about this property
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