347 Duck Pond Road, Matinecock, NY 11560

$3,875,000 · 4 bed · 4 bath · 3,489 sq ft · built 1968 · MLS# 1046678 · Active

A rare modernist residence designed by noted architect George Nemeny, with interiors by pioneering architect Debora Reiser. Featured in House & Garden shortly after construction, this spectacular, lovingly maintained modern work of art is situated on five private estate acres in the heart of Matinecock, less than 1.5 miles from downtown Locust Valley. The home was harmoniously designed around the historic formal gardens of the former J.D. Lyons estate, originally planned by the renowned firm Delano & Aldrich. The owner, a botanist, further enhanced the grounds with arboretum-quality specimen plantings,…

Single-family homes in the Locust Valley Central School District sold for a median of $1,230,000 (typically $815,000–$2,400,000) across 141 recorded sales between Oct 7, 2025 and Oct 1, 2026, down 12.2% on the 12 months before. This home's $3,875,000 list price sits in the luxury single-family tier for the Locust Valley Central School District.

ZIP 11560 has about 3.6 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 $38,324 a year, this home's property tax runs roughly 125% above the $17,000 typical for Locust Valley Central School District. Nassau assessments run on a multi-year cycle, so the assessed value behind this bill can lag what the home actually sells for today. A sale does not automatically reset it, and 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