20 Stirrup Lane, Muttontown, NY 11791

$3,199,000 · 6 bed · 6 bath · 4,272 sq ft · built 1981 · MLS# 1036182 · Active

This Stately Colonial In Muttontown,Totally Renovated,Offers A Perfect Blend Of Classic Curb Appeal And Modern, And Thoughtful Updates Throughout.From The moment You Step Into The Soaring Two-Story Entry, The Home Feels Bright,Airy,And Impeccably Maintained. The Main Level Flows Effortlessly, Highlighted By A spacious Kitchen With Gas Cooking. One Of The Standout Features Of This Home Is The Sunroom That Invites The Outdoors In Year-Round Leading Directly To A Sprawling Newly Built 2 tier 1320 Sq ft Patio For Outdoor Living With Huge Gas Fire Pit And Layered Lighting Throughout And…

Single-family homes in the Syosset Central School District sold for a median of $1,315,000 (typically $1,050,000–$1,760,000) across 259 recorded sales between Oct 6, 2025 and Oct 2, 2026, up 7.7% on the 12 months before. This home's $3,199,000 list price sits in the luxury single-family tier for the Syosset Central School District.

ZIP 11791 has about 3.7 months of single family inventory — seller's market. Demand is outpacing supply, so homes sell quickly with firm pricing and limited room to negotiate.

At about $28,904 a year, this home's property tax runs roughly 31% above the $22,000 typical for Syosset 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