1780 Route 106 #C, Muttontown, NY 11791
$3,995,000 · 5 bed · 6 bath · 4,836 sq ft · built 1958 · MLS# 1004527 · Active
Steeped in architectural pedigree and timeless elegance, this extraordinary Muttontown estate, on 3.84 bucolic acres, was designed by renowned architect Marion Sims Wyeth. Privately tucked behind an impeccably landscaped half mile-long drive off Route 106, the property unfolds as a secluded North Shore sanctuary of exceptional beauty and distinction in the acclaimed Syosset School District. Set amidst sweeping lawns, manicured gardens, and picturesque equestrian grounds, the stately brick residence, crowned with a slate roof and introduced by a charming courtyard entry, exudes enduring sophistication. Inside, grand formal entertaining rooms showcase…
Single-family homes in the Oyster Bay-East Norwich Central School District sold for a median of $1,500,000 (typically $940,000–$2,275,000) across 84 recorded sales between Oct 8, 2025 and Sep 22, 2026, up 15.8% on the 12 months before. This home's $3,995,000 list price sits in the luxury single-family tier for the Oyster Bay-East Norwich 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 $54,815 a year, this home's property tax runs roughly 189% above the $19,000 typical for Oyster Bay-East Norwich 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

Listings courtesy of OneKey® MLS as distributed by MLS GRID.
Based on information submitted to the MLS GRID as of October 11, 2026 3:30 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
Muttontown Market Trend
Muttontown has tightened over the past 2 years: the median sale price has advanced roughly 13% year over year to near $1.31M, and sales have generally been closing faster. That combination points to conditions favoring sellers — and if it continues, further firming is possible.
Considering Muttontown? Explore the Muttontown community guide →
More homes nearby
- All homes for sale in Muttontown, NY
- Homes for sale in Nassau County, NY
- All Long Island & NYC listings
- Homes in ZIP 11791
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.
