2433 Union Boulevard #4B, Islip, NY 11751
Home value
$216,200
$195,000 - $240,000
$2,631/mo
Owner options
$2,631/mo
Rent Zestimate®
Find your next renter with Zillow Rental Manager. Plus, with online applications, you can quickly screen prospective tenants – for free.
$2,631/mo
Rent Zestimate®
$2,293/mo
Est. payment
Refinancing to a lower rate could help reduce your monthly payments and save thousands over the life of the loan.
$2,293/mo
Est. payment
Explore your selling options
Work with a Zillow partner agent
Leverage their expertise and Zillow's premium Showcase listings to get your home seen by more buyers.
Get startedList with your own agent
Get your home in front of millions of buyers by listing it on Zillow.
Learn how to do itSell it yourself
Take full control of how buyers see your home on Zillow by listing For Sale by Owner (FSBO).
List your homeWhat's special
Zillow last checked:
Listing updated:
Jacqueline M. Demarinis 516-581-8152,
New Door Properties LLC 631-629-5966
Jacqueline M. Demarinis, 10301213580
New Door Properties LLC
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 1
- Bathrooms: 1
- Full bathrooms: 1
Heating
- Baseboard
Cooling
- Wall/Window Unit(s)
Appliances
- Included: Dishwasher, Electric Oven, Refrigerator
Features
- Eat-in Kitchen, Storage
Interior area
- Total structure area: 642
- Total interior livable area: 642 sqft
Property
Details
- Special conditions: None
Construction
Type & style
- Home type: Cooperative
- Architectural style: Garden
- Property subtype: Stock Cooperative, Residential
- Attached to another structure: Yes
Materials
- Brick
Condition
- Year built: 1970
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
- Utilities for property: Cable Connected, Electricity Connected, Trash Collection Private, Water Connected
Community & HOA
HOA
- Has HOA: Yes
- Services included: Common Area Maintenance, Maintenance Grounds, Heat, Pool Service, Snow Removal, Water
- HOA fee: $1,137 monthly
- HOA name: Einsidler Management Company
Location
- Region: Islip
Financial & listing details
- Price per square foot: $326/sqft
- Date on market: 4/30/2025
- Cumulative days on market: 154 days
- Listing agreement: Exclusive Right To Sell
- Electric utility on property: Yes
Price history
| Date | Event | Price |
|---|---|---|
| 1/21/2026 | Sold | $209,000$326/sqft |
Source: | ||
| 10/1/2025 | Pending sale | $209,000$326/sqft |
Source: | ||
| 8/4/2025 | Price change | $209,000-4.1%$326/sqft |
Source: | ||
| 6/20/2025 | Price change | $218,000-0.9%$340/sqft |
Source: | ||
| 5/29/2025 | Price change | $220,000-4.3%$343/sqft |
Source: | ||
| 5/18/2025 | Price change | $230,000-4.2%$358/sqft |
Source: | ||
| 5/1/2025 | Listed for sale | $240,000+54.8%$374/sqft |
Source: | ||
| 4/26/2021 | Sold | $155,000-2.5%$241/sqft |
Source: Agent Provided Report a problem | ||
| 12/11/2020 | Pending sale | $159,000$248/sqft |
Source: | ||
| 10/30/2020 | Listed for sale | $159,000+67.4%$248/sqft |
Source: Compass Greater NY LLC #3265469 Report a problem | ||
| 7/14/2016 | Sold | $95,000-5%$148/sqft |
Source: | ||
| 2/18/2016 | Price change | $99,990-9.1%$156/sqft |
Source: CENTURY 21 Selmar Realty #2822710 Report a problem | ||
| 10/1/2015 | Listed for sale | $109,990+22.2%$171/sqft |
Source: Century 21 Selmar Realty #2800548 Report a problem | ||
| 7/8/2015 | Listing removed | $90,000$140/sqft |
Source: The Real Estate Book #2756629 Report a problem | ||
| 7/3/2015 | Price change | $90,000-4.3%$140/sqft |
Source: The Real Estate Book #2756629 Report a problem | ||
| 6/13/2015 | Price change | $94,000-5.9%$146/sqft |
Source: The Real Estate Book #2756629 Report a problem | ||
| 5/9/2015 | Price change | $99,900-9.2%$156/sqft |
Source: The Real Estate Book #2756629 Report a problem | ||
| 4/25/2015 | Listed for sale | $110,000-8.3%$171/sqft |
Source: The Real Estate Book #2756629 Report a problem | ||
| 3/20/2010 | Listing removed | $119,990$187/sqft |
Source: Stander Realty and Associates #2259026 Report a problem | ||
| 3/9/2010 | Listed for sale | $119,990$187/sqft |
Source: Stander Realty and Associates #2259026 Report a problem | ||
Public tax history
Neighborhood: 11751
Nearby homes
- $2,426,2001 bd1 ba-- sqft2433 Union Blvd, Islip, NY 11751Off Market
- $---- bd-- ba-- sqft2433 Union Blvd APT 1A, Islip, NY 11751Off Market
- $---- bd-- ba-- sqft2433 Union Blvd APT 1B, Islip, NY 11751Off Market
- $252,6001 bd1 ba800 sqft2433 Union Blvd APT 2A, Islip, NY 11751Off Market

- $284,4001 bd1 ba-- sqft10 Mallard Ln APT 1A, Islip, NY 11751Off Market
- $240,0001 bd1 ba-- sqft10 Mallard Ln APT 2B, Islip, NY 11751Sold
- $291,0001 bd1 ba-- sqft10 Mallard Ln APT 2A, Islip, NY 11751Off Market
- $869,9004 bd3 ba-- sqft68 Darcy Cir, Islip, NY 11751Off Market
Nearby schools
GreatSchools rating
- NAWing Elementary SchoolGrades: K-1Distance: 0.5 mi
- 5/10Islip Middle SchoolGrades: 6-8Distance: 1 mi
- 7/10Islip High SchoolGrades: 9-12Distance: 0.9 mi
Schools provided by the listing agent
- Elementary: Commack Road 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.
- New York
- Suffolk County
- Islip
- 11751
- 2433 Union Boulevard Unit 4B