Is Port Jefferson, NY 11777 a buyer’s or seller’s market?

The Port Jefferson housing market right now

In the three months ending August 31, 2026, 45% of homes in Port Jefferson, NY 11777 sold above their list price, the typical home went under contract in 30 days and there were 3.6 months of supply. Under four months of supply means sellers have the edge: expect competition for well-priced homes. That’s based on 23 home sales.

Compared with the same period a year earlier, the share selling over asking was about the same (45% then), homes sold more slowly (24 days then) and the median sale price rose 13% to $816,647. Overall, Port Jefferson is about as competitive as it was a year ago.

Within Suffolk County, homes here sell more slowly than in 59% of the county’s ZIP codes, and sell less often over asking than in 60%. On our competition score, Port Jefferson ranks #342 of 649 NY ZIP codes with enough sales (score 73 out of 100).

Nearby, buyers who want less competition could look at Westhampton 11977 (0% sold over asking) or Water Mill 11976 (0% sold over asking), while West Sayville 11796 (100% sold over asking) and Peconic 11958 (100% sold over asking) are even more competitive.