23 Colonial Drive, Smithtown, NY 11787

$1,099,988 · 5 bed · 4 bath · 3,800 sq ft · built 1965 · MLS# 1039816 · Active

Welcome to this expansive 3,800-square-foot home offering exceptional space and flexibility. With 5–6 bedrooms, 4 full bathrooms, and a 3-car garage, this home is designed to accommodate a variety of living arrangements. The flexible first-floor layout features three bedrooms, two living areas, two full bathrooms, a kitchenette, and laundry, creating an ideal setup for extended or multigenerational living, guests, or those looking for additional private living space. The main living areas offer cathedral ceilings, abundant natural light, and an inviting sense of openness. The spacious primary bedroom features its own…

Single-family homes in the Hauppauge Union Free School District sold for a median of $850,000 (typically $750,000–$1,000,000) across 144 recorded sales between Oct 6, 2025 and Sep 30, 2026, up 8.3% on the 12 months before. This home's $1,099,988 list price sits in the upper single-family tier for the Hauppauge Union Free School District.

ZIP 11787 has about 2.7 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 $13,261 a year, this home's property tax runs roughly 11% above the $12,000 typical for Hauppauge Union Free School District. Suffolk bills combine town, school and special-district levies, so two homes at the same price in neighboring districts can carry materially different taxes. 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