532 Blank Lane, Water Mill, NY 11976

$4,650,000 · 4 bed · 5 bath · 3,500 sq ft · built 2013 · MLS# 987428 · Active

Welcome to 532 Blank Lane—an elegant and fully renovated retreat nestled in the heart of Water Mill. Set on 1.5 acres of lush, wooded grounds, this timeless shingle-style home offers 3,500 square feet above grade, plus a finished lower level designed for entertaining and relaxation. Fully reimagined in 2023, the home underwent a complete transformation—new roof, wiring, insulation, electric, plumbing, kitchen, bathrooms, and more—blending classic architecture with today’s modern finishes. Natural light pours in through oversized windows and vaulted ceilings, illuminating crisp interiors and wide-open living spaces. Two original wood-burning…

Single-family homes in the Southampton Union Free School District sold for a median of $3,150,000 (typically $1,695,000–$5,140,000) across 95 recorded sales between Oct 9, 2025 and Sep 29, 2026, up 27.4% on the 12 months before. This home's $4,650,000 list price sits in the upper single-family tier for the Southampton Union Free School District.

ZIP 11976 has about 20.7 months of inventory — strong buyer's market. A heavily oversupplied market — buyers hold the upper hand, and sellers often offer price cuts or concessions to compete.

At about $8,658 a year, this home's property tax runs roughly 44% above the $6,000 typical for Southampton Union Free School District. Suffolk bills combine town, school and special-district levies, so two homes at the same price in neighboring districts can carry materially different taxes. 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