Is Alton Bay, NH 03810 a buyer’s or seller’s market?

The Alton Bay housing market right now

In the three months ending August 31, 2026, 27% of homes in Alton Bay, NH 03810 sold above their list price, the typical home went under contract in 49 days and there were 5.1 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. That’s based on 23 home sales.

Compared with the same period a year earlier, the share selling over asking fell from 36%, homes sold more slowly (24 days then) and the median sale price fell 15% to $672,209. Overall, Alton Bay is less competitive than a year ago, which gives buyers more room.

Within Belknap County, homes here sell faster than in 50% of the county’s ZIP codes, and sell more often over asking than in 75%. On our competition score, Alton Bay ranks #101 of 116 NH ZIP codes with enough sales (score 42 out of 100).

Nearby, buyers who want less competition could look at Center Harbor 03226 (8% sold over asking) or Gilmanton 03237 (10% sold over asking), while Sanbornton 03269 (39% sold over asking) and Belmont 03220 (29% sold over asking) are even more competitive.