15 Chelmsford Drive, Muttontown, NY 11545

$2,688,000 · 6 bed · 5 bath · 3,804 sq ft · built 1970 · MLS# 1073351 · Coming Soon

Welcome to exceptional living in prestigious Muttontown! Located in the incorporated Village of Muttontown on Long Island's prestigious North Shore, this premier location offers the perfect blend of luxury, privacy, and convenience, just 25 miles from Manhattan. Enjoy close proximity to fine and casual dining, world-class shopping, championship golf courses, country clubs, yacht clubs, the Muttontown preserve, equestrian and cultural centers, and some of Long Island's finest public and private schools. Set on spectacular two-acre property with mature specimen plantings and park-like grounds, this impressive six bedroom residence offers gracious…

Single-family homes in the Locust Valley Central School District sold for a median of $1,200,000 (typically $820,000–$2,250,000) across 135 recorded sales between Nov 5, 2025 and Nov 3, 2026, down 17.2% on the 12 months before. This home's $2,688,000 list price sits in the upper single-family tier for the Locust Valley Central School District.

ZIP 11545 has about 5.9 months of single family inventory — balanced market. Supply and demand are roughly even, so buyers and sellers share leverage with fair, predictable pricing.

At about $27,369 a year, this home's property tax runs roughly 61% 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