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    1 home
      1 home available
      647 Union Avenue, Holtsville, NY 11742
      Closed Oct 31, 2025
      647 Union Avenue, Holtsville, NY 11742
      $580,000
      4beds
      2.5bath
      1,904sqft
      0.68acres
      House for Sale
      Down payment assistanceDown Payment Help

      647 Union Avenue, Holtsville, NY 11742

      Listing by: Douglas Elliman Real Estate
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      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.
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      Membio
      OneKey® MLS
      647 Union Avenue, Holtsville, NY 11742
      Closed Oct 31, 2025
      $580,000
      Down payment assistanceDown Payment Help
      4beds
      2full,1half bath
      1,904sqft
      0.68acres

      647 Union Avenue, Holtsville, NY 11742

      City/Town:Holtsville   Post Office: Holtsville     

      House for Sale by Lina LopesDouglas Elliman Real Estate.

      Data checked -. Listing last updated 52 days ago.
      1. Overview
      2. Details
      3. More 

      Welcome to 647 Union Ave — As per Town of Brookhaven - Planning & Environmental, this property is zoned L1 Industrial, perfect for Landscapers, contractors or Nature lovers! This beautifully maintained 4-bedroom, 2.5-bath residence is nestled on an oversized corner lot spanning over half an acre with so many possibilities with the location and oversized driveway. This unique home offers a spacious and flexible layout perfect for both everyday living and entertaining. The main level features two generously sized bedrooms, including the primary bedroom, a full bath, and a large eat-in kitchen complete with stainless steel appliances and dining area. Upstairs, you'll find additional bedrooms — one of which offers the option to be used as a den — and opens to a private terrace for your morning coffee or evening unwind. The fully finished basement has a den, full bathroom, laundry area, utilities, storage, and a private outside entrance. Outside you’ll be captivated by the lush, professionally landscaped gardens, complete with walkways that meander around colorful blooms and greenery. Whether you're entertaining poolside, relaxing on the terrace, or enjoying the tranquility of the garden, the outdoor space is truly a private retreat. The property also features an above-ground pool, an extended driveway with ample parking. With incredibly low taxes just over $7,000, and a Land Use designation of Commercial Lot per public records, this property presents both residential charm and exciting potential. Don’t miss this rare opportunity to own a home that offers space, beauty, and versatility — both inside and out!

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      Details
        Property type
      Residential
        Year built
      1955
        Heating
      Baseboard, Oil
        Cooling
      Wall/Window Unit(s)
        Total rooms
      9
        Garage
      Yes (1 space)
        City/Town
      Holtsville
        Post Office
      Holtsville
        Parking spots
      -
      887130
      MLS ID
      Closed
      Status
      Oct 31, 2025
      Closed
        Laundry features
      In Basement
        Flooring
      Wood
        Fireplace
      No
        Pets allowed
        Architectural Style
      Exp Cape
        Basement
      Finished, Full, Walk-Out Access
        View
      Interior features
      First Floor Bedroom, Eat-in Kitchen, Master Downstairs
      Exterior features
      Lot features
      Corner Lot
      Appliances included
      Dryer, Range, Refrigerator, Stainless Steel Appliance(s), Washer
      Construction materials
      Brick, Frame
      Monthly taxes
      $600
      Yearly taxes
      $7,203.29
      Community Features
      -
      School district
      Sachem
      Schools
      Chippewa Elementary School, Sagamore Middle School, Sachem High School East
      Senior community
      No
      Common Charges
      -
      Maintenance
      -
      Additional Fees
      -
      Open Houses
      In-Person
      No upcoming in-person open houses
      Virtual
      No upcoming virtual open houses
      Contact Agent
      Lina Lopes
      Lina Lopes
      Associate Real Estate Broker, Douglas Elliman Real Estate
      Direct Number 
       
      Location
      For Sale Nearby
      No nearby homes are For Sale Nearby.
      Recently Sold
      No nearby homes have been Recently Sold.
      647 Union Avenue, Holtsville, NY 11742, is a 4 bedroom, 2 bathroom, 1904 sqft. Single Family Residence built in 1955. This property is currently available for sale and was listed on OneKey® MLS on 7-9-2025. The MLS# for this Single Family Residence is MLS# 887130.
      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.
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