20 Knollwood Road, Brookville, NY 11545

20 Knollwood Road, Brookville, NY 11545

$5,499,999 · 6 bed · 8 bath · 7,000 sq ft · built 2026 · MLS# 986988 · Active

EXCEPTIONAL NEW CONSTRUCTION! Luxury Living at it's finest! Welcome to 20 Knollwood Road, Muttontown in the Jericho School District. Experience the pinnacle of luxury living in this newly built estate, offering approximately 7,000 square feet of refined design and superior craftsmanship by a highly regarded builder. Every inch of this home reflects meticulous attention to detail, from the bespoke millwork and custom paneling to the soaring ceilings and elegant herringbone flooring. A striking custom iron entry door welcomes you into a grand foyer, setting the stage for the home’s sophisticated…

Single-family homes in the Jericho Union Free School District sold for a median of $1,640,000 (typically $1,220,000–$2,500,000) across 118 recorded sales between Oct 6, 2025 and Oct 1, 2026, up 9.3% on the 12 months before. This home's $5,499,999 list price sits in the luxury single-family tier for the Jericho Union Free School District.

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

Listings courtesy of OneKey® MLS as distributed by MLS GRID.

Based on information submitted to the MLS GRID as of October 11, 2026 2:30 am. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

Personal-use terms and which listings this site shows: MLS & Data Disclosures

Brookville Market Trend

Brookville's monthly median has swung between $890K and $2.85M over the past 2 years — volatility that usually reflects a thin or mixed market rather than one steady trend. The latest months have brought some easing, though prices still sit above their earlier levels in the period. Recently, homes have been selling in about 44 days.

Considering Brookville? Explore the Brookville community guide →

More homes nearby

Looking for off-market opportunities or a property attorney's read on this listing? Contact Joseph DeVito — Lic. R.E. Associate Broker + NY-licensed real estate attorney.