5 Carol Lane, Upper Brookville, NY 11545

$3,999,000 · 6 bed · 9 bath · 7,402 sq ft · built 1981 · MLS# 1045340 · Active

Perfect Generational Compound with Multiple Guest Suites plus Master Suites on 1st and 2nd floor. Elegance redefined. This fully gated extraordinary Upper Brookville estate seamlessly blends mid-century modern design with contemporary sophistication, set on two lush, gated acres. Soaring 30-foot ceilings, dramatic windows, rich wood architectural elements, clean lines, and sculptural details create a striking sense of tranquility. Palatial in scale yet thoughtfully designed for comfortable living and entertaining, this residence offers remarkable versatility with resort-style amenities. A true architectural masterpiece where Zen-inspired design meets glamour and beauty, creating a…

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 $3,999,000 list price sits in the luxury single-family tier for the Locust Valley Central School District.

At about $34,412 a year, this home's property tax runs roughly 102% 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