40 Deforest Ave, West Islip, NY 11795

  • Built in 1923
  • |
Image of your home

Estimated Home Value:*$680,324

$537,455 – $823,192
High Confidence Level
Chart of estimated historic values. See table below for breakdown.

**Data from realtor.com residential listings database

Home Sale Calculator

Estimated Home Sale Profit$0

Home Sale Breakdown:

  • Home Sale Price $
  • Mortgage Payoff Amount $
  • Home Equity $
  • Estimated Sale Costs $

Make the Veteran Move

Start Your Quote

Take the next step with the nation’s #1 VA  lender â€ â€ 

Get Preapproved

Connect With An Agent

One of our VA-friendly, local experts is standing by

Find Your Agent

Find Your Dream Home

Explore over 3 million listings

Browse Homes
Veterans United Homefront

* The estimated home value shown here is for general informational purposes only. It is not an appraisal, guarantee of value, or credit offer. Home values can fluctuate significantly based on market conditions, property-specific details, and updates to public or proprietary data. Do not rely on these figures to make financial decisions. For an accurate valuation or to explore financing options, please speak with a licensed real estate or mortgage professional.

§ Homes marketed through Realtor.com receive, on average, up to 200% more online views than homes not listed through this network. Individual results may vary depending on market conditions and property details. Promoted listing subject to availability and conditions. Listing must meet data completeness and accuracy requirements. Not available for land or farm.

† VeteransUnited.com | 1-800-884-5560 | 550 Veterans United Drive, Columbia, MO 65201 | Veterans United Home Loans NMLS #1907 (www.nmlsconsumeraccess.org). A VA approved lender; Not endorsed by the Dept. of Veterans Affairs or any government agency. Licensed in all 50 states. For State Licensing information, please visit www.veteransunited.com/licenses.

†† #1 VA Lender: Veterans United Home Loans provided more VA Home Loans by volume than any other lender as of Oct. 2024. Top VA Purchase Lender each Fiscal Year between 2016-2024. Source: Department of Veterans Affairs Lender Statistics

For questions call 1-833-252-8030

Copyright © 2026 Did You Serve, LLC. Homefront.com is NOT affiliated with any government agencies, including the VA. Homefront.com is a service of Did You Serve, LLC. Veterans United and the Veterans United House logo are registered trademarks of Mortgage Research Center, LLC, used under license agreement. Terms of Use.