51 Willis Avenue, Syosset, NY 11791

$1,488,000 · 5 bed · 3 bath · 2,200 sq ft · built 2026 · MLS# 1055098 · Active

Premier Syosset builder proudly presents this stunning new construction Colonial. This beautifully designed 5-bedroom, 3-bath home offers a bright, open floor plan perfect for todays lifestyle and is finally complete and Co's in place. The gourmet eat-in kitchen flows seamlessly into the spacious den with gas fireplace, creating the ideal setting for everyday living and entertaining. Hardwood floors, central air conditioning, and exceptional craftsmanship are showcased throughout. A main-level guest suite or office with full bath provides flexibility for extended family, visitors or work from home lifestyle. The luxurious primary…

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 $1,488,000 list price sits in the upper 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 $12,423 a year, this home's property tax runs roughly 44% below 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