Active Listings
700
⇧ 6.1% vs 660 last year
Data as of September 2026. Source: Realtor.com.
The Jefferson County, NY real estate market currently shows 700 active listings, with 243 pending sales. Homes are averaging 69 days on the market before going under contract.
Inventory has increased compared to last year, with 40 more homes available — giving buyers more choice.
Homes are taking longer to sell, averaging 69 days on market compared to 67 days last year.
The median listing price has risen 3.8% year-over-year, from $259,900 to $269,900.
Population: 118,155 · Density: 175.4/mi² · Median household income: $62,715
Typical home value: $143,552 · Homeownership: 52.8%
Adams: 13605
Adams Center: 13606
Alexandria Bay: 13607
Belleville: 13611
Black River: 13612
Brownville: 13615
Calcium: 13616
Cape Vincent: 13618
Carthage: 13619
Chaumont: 13622
Clayton: 13624
Deferiet: 13628
Based on listing price changes before sale/pending as a proxy for sale-to-list dynamics. Source: Realtor.com.