Is Sea Cliff, NY 11579 a buyer’s or seller’s market?

The Sea Cliff housing market right now

In the three months ending August 31, 2026, 44% of homes in Sea Cliff, NY 11579 sold above their list price, the typical home went under contract in 40 days and there were 1.8 months of supply. Under four months of supply means sellers have the edge: expect competition for well-priced homes. That’s based on 16 home sales.

Compared with the same period a year earlier, the share selling over asking rose from 38%, homes sold more slowly (28 days then) and the median sale price rose 8% to $1,406,891. Overall, Sea Cliff is about as competitive as it was a year ago.

Within Nassau County, homes here sell more slowly than in 77% of the county’s ZIP codes, and sell less often over asking than in 56%. On our competition score, Sea Cliff ranks #358 of 649 NY ZIP codes with enough sales (score 71 out of 100).

Nearby, buyers who want less competition could look at Point Lookout 11569 (0% sold over asking) or Atlantic Beach 11509 (0% sold over asking), while Malverne 11565 (75% sold over asking) and Wantagh 11793 (74% sold over asking) are even more competitive.