9 Marsden Street, Sag Harbor, NY 11963

$12,500,000 · 8 bed · 11 bath · 6,840 sq ft · built 2026 · MLS# 1048273 · Active

Welcome to 9 Marsden Street in Sag Harbor Village. With a historic aesthetic and sophistication for modern living, this BJC Custom Builders residence sits on approximately 0.8 acre-an exceptionally generous setting in Sag Harbor Village. Offered fully furnished, thoughtfully curated, and professionally designed, the home encompasses approximately 7,000 square feet across three levels. A custom Ciuffo chef's kitchen anchors the living spaces, complemented by a gracious great room, formal dining and a separate, private family room. A main-floor primary bedroom offers flexibility, while five upstairs bedrooms include an expansive primary…

Single-family homes in the Sag Harbor Union Free School District sold for a median of $2,300,000 (typically $1,700,000–$4,200,000) across 48 recorded sales between Nov 5, 2025 and Oct 16, 2026, up 15% on the 12 months before. This home's $12,500,000 list price sits in the luxury single-family tier for the Sag Harbor Union Free School District.

ZIP 11963 has about 10.6 months of single family inventory — strong buyer's market. A heavily oversupplied market — buyers hold the upper hand, and sellers often offer price cuts or concessions to compete. Homes here are still selling close to asking, at a median 97.4% of final list price.

OneKey MLS (recorded LI sales, trailing 12mo) + actual tax