Is Hackettstown, NJ 07840 a buyer’s or seller’s market?

The Hackettstown housing market right now

In the three months ending August 31, 2026, 59% of homes in Hackettstown, NJ 07840 sold above their list price, the typical home went under contract in 16 days and there were 1.5 months of supply. Under four months of supply means sellers have the edge: expect competition for well-priced homes. That’s based on 106 home sales.

Compared with the same period a year earlier, the share selling over asking rose from 51%, homes sold faster (23 days then) and the median sale price rose 13% to $552,261. Overall, Hackettstown is more competitive than a year ago, so tougher for buyers.

Within Warren County, homes here sell faster than in any other ZIP code in the county, and sell more often over asking than in 60%. On our competition score, Hackettstown ranks #55 of 444 NJ ZIP codes with enough sales (score 93 out of 100).

Nearby, buyers who want less competition could look at Oxford 07863 (37% sold over asking) or Belvidere 07823 (37% sold over asking), while Vienna 07880 (100% sold over asking) and Columbia 07832 (69% sold over asking) are even more competitive.