Is Castine, ME 04421 a buyer’s or seller’s market?

The Castine housing market right now

In the three months ending August 31, 2026, 50% of homes in Castine, ME 04421 sold above their list price, the typical home went under contract in 100 days and there were 4 months of supply. Four to six months of supply is a balanced market, where pricing and condition decide how much room there is to negotiate. With only 4 sales, these figures can swing a lot from month to month.

Compared with the same period a year earlier, the share selling over asking rose from 0%, homes sold more slowly (72 days then) and the median sale price fell 6% to $700,697. Overall, Castine is more competitive than a year ago, so tougher for buyers.

Within Hancock County, homes here sell more slowly than in 90% of the county’s ZIP codes, and sell more often over asking than in 90%.

Nearby, buyers who want less competition could look at Winter Harbor 04693 (0% sold over asking) or Sorrento 04677 (0% sold over asking), while Mount Desert 04660 (67% sold over asking) and Deer Isle 04627 (60% sold over asking) are even more competitive.