314 Mill Hill Road, Mill Neck, NY 11765

$4,188,888 · 7 bed · 8 bath · 8,024 sq ft · built 1836 · MLS# 1019177 · Active

Welcome to 314 Mill Hill Rd Mill Neck located in the Luxurious Gold Coast. This Exquisite home has been built by William Townsend the historic mansion was widely known as the Chancellor's Mansion, which was built in 1834. The estate has passed through several notable historical figures, including Theodore Roosevelt III and fashion designer Oleg Cassini. This estate sits on almost 6 Acres . The property has additional 2 Large guest homes . Which can make a wonderful compound for friends, staff or guests. Each guest house is about 2300…

Single-family homes in the Oyster Bay-East Norwich Central School District sold for a median of $1,500,000 (typically $940,000–$2,275,000) across 84 recorded sales between Oct 8, 2025 and Sep 22, 2026, up 15.8% on the 12 months before. This home's $4,188,888 list price sits in the luxury single-family tier for the Oyster Bay-East Norwich Central School District.

At about $39,532 a year, this home's property tax runs roughly 108% above the $19,000 typical for Oyster Bay-East Norwich 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