541 Split Rock Road, Syosset, NY 11791
$4,585,000 · 6 bed · 7 bath · 7,800 sq ft · built 2026 · MLS# 1050132 · Active
Discover one of North Syosset’s most exceptional new-construction residences. Privately positioned at the end of a tranquil cul-de-sac, this magnificent home is surrounded by nearly two secluded acres and backs an untouched nature preserve, offering an extraordinary combination of privacy, architectural grandeur, and modern luxury. Encompassing approximately 10,800 square feet, including a fully finished lower level, with approximately 7,800 square feet above grade, the residence has been thoughtfully designed for sophisticated entertaining and comfortable everyday living. The impressive floor plan features six bedrooms, six-and-a-half bathrooms, multiple laundry rooms, a four-car…
Single-family homes in the Syosset Central School District sold for a median of $1,315,000 (typically $1,050,000–$1,760,000) across 259 recorded sales between Oct 6, 2025 and Oct 2, 2026, up 7.7% on the 12 months before. This home's $4,585,000 list price sits in the luxury single-family tier for the Syosset Central School District.
ZIP 11791 has about 3.7 months of single family inventory — seller's market. Demand is outpacing supply, so homes sell quickly with firm pricing and limited room to negotiate.
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 5:15 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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Syosset Market Trend
Syosset has tightened over the past 2 years: the median sale price has advanced roughly 13% year over year to near $1.31M, and sales have generally been closing faster. 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.
