Active Listings
494
⇧ 24.1% vs 398 last year
Data as of April 2026. Source: Realtor.com.
The Jefferson County, NY real estate market currently shows 494 active listings, with 220 pending sales. Homes are averaging 67 days on the market before going under contract.
Inventory has increased compared to last year, with 96 more homes available — giving buyers more choice.
Homes are selling faster, averaging 67 days on market compared to 71 days last year.
The median listing price has risen 1% year-over-year, from $261,950 to $264,675.
Whether you are buying or selling in Jefferson County, NY, SELL123.com can help you save significantly on commission — typically 2% compared to traditional 5% broker fees. Call (240) SELL-123 for a free consultation.
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.