5 Dock Court, Port Jefferson, NY 11777

$1,475,000 · 4 bed · 4 bath · 3,895 sq ft · built 1978 · MLS# 1043643 · Active

Perched above the coastline with sweeping views of the Long Island Sound and Mount Sinai Harbor, 5 Dock Court is a warm and inviting Contemporary designed to embrace its remarkable setting. Water views unfold from nearly every room, creating an ever-changing backdrop of passing boats, coastal skies, sunrises, and sunsets. Inside, hardwood floors extend throughout the main and second levels, while a double-sided fireplace connects the formal living and dining spaces with warmth and architectural interest. Generous windows invite natural light and coastal breezes throughout the home, and the balconies…

Single-family homes in the Port Jefferson Union Free School District sold for a median of $835,000 (typically $740,000–$975,000) across 79 recorded sales between Oct 8, 2025 and Sep 24, 2026, up 11.3% on the 12 months before.

ZIP 11777 has about 5.1 months of single family inventory — balanced market. Supply and demand are roughly even, so buyers and sellers share leverage with fair, predictable pricing.

At about $22,136 a year, this home's property tax runs roughly 48% above the $15,000 typical for Port Jefferson 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