136 Udall Road, West Islip, NY 11795
$999,000 · 5 bed · 4 bath · 2,440 sq ft · built 2026 · MLS# 992702 · Active
New construction 2,440 sq ft thoughtfully designed living space. Features 5 bedrooms, 3 full baths and 1 half bath, a basement, central heating and cooling, and in-unit laundry. The home boasts a beautiful open layout with a modern kitchen that flows into the dining and living areas, ideal for everyday living and entertaining. Also includes a private garage and driveway for added convenience.
Single-family homes in the West Islip Union Free School District sold for a median of $775,000 (typically $700,000–$920,000) across 187 recorded sales between Oct 8, 2025 and Oct 2, 2026, up 2.5% on the 12 months before. This home's $999,000 list price sits in the upper single-family tier for the West Islip Union Free School District.
ZIP 11795 has about 2.4 months of single family inventory — seller's market. Demand is outpacing supply, so homes sell quickly with firm pricing and limited room to negotiate.
At about $15,240 a year, this home's property tax is in line with the roughly $14,000 typical for West Islip Union Free School District. Suffolk bills combine town, school and special-district levies, so two homes at the same price in neighboring districts can carry materially different taxes. Exemptions such as STAR, Senior or Veteran move the number as well — a new owner's bill is often not the same as the seller's.
OneKey MLS (recorded LI sales, trailing 12mo) + actual tax

Listings courtesy of OneKey® MLS as distributed by MLS GRID.
Based on information submitted to the MLS GRID as of October 11, 2026 4:30 am. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
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West Islip Market Trend
Momentum in West Islip has been building over the past 2 years — the median sale price has climbed roughly 6% year over year to about $830K while time on market has generally shortened. Sellers currently hold the stronger hand, and if the pattern persists, prices could continue to firm.
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Looking for off-market opportunities or a property attorney's read on this listing? Contact Joseph DeVito — Lic. R.E. Associate Broker + NY-licensed real estate attorney.
