Jefferson County, New York property search
Search an address or an owner in Jefferson County, New York with the box at the top of the map, or tap a lot, for its owner, lines and acreage. 58,599 lots are mapped here, covering 799,393 acres. 6,529 of them are held by institutions rather than by individuals.
Farmers and landowners in Jefferson County received $3.4 million in federal farm program payments in 2025, paid to 158 recipients. 26,157 acres of agricultural land here are disclosed as foreign-held, the most by owners from Spain. Crop insurance paid $3.7 million in claims for the 2024 crop year.
- 58,599
- Lots mapped
- 799,393
- Acres
- 6,529
- Institutional
Land use in Jefferson County
Parcels and acreage by land use in Jefferson County, New York| Land use | Parcels | Acres |
|---|
| 210 | 5,155 | 1,243 |
|---|
| 220 | 1,089 | 198 |
|---|
| 311 | 927 | 460 |
|---|
| 340 | 289 | 268 |
|---|
| 411 | 230 | 381 |
|---|
| 330 | 219 | 102 |
|---|
| 230 | 179 | 43 |
|---|
| 312 | 106 | 18 |
|---|
| 484 | 101 | 59 |
|---|
| 483 | 60 | 21 |
|---|
| 280 | 59 | 45 |
|---|
| 449 | 52 | 70 |
|---|
Largest landowners in Jefferson County
Largest landowners by acreage in Jefferson County, New York| Owner | Parcels | Acres |
|---|
| New York State DEC | 70 | 30,006 |
|---|
| New York State People of | 43 | 11,129 |
|---|
| Jefferson County of | 71 | 6,930 |
|---|
| Salmon River Timberlands LLC | 1 | 6,268 |
|---|
| Hillcrest Farms LLC | 78 | 4,334 |
|---|
| New York State TI Park Comm | 16 | 3,742 |
|---|
| Perch River Farms LLC | 35 | 3,665 |
|---|
| Wood Farms LLC | 35 | 3,066 |
|---|
| Tylerville Land Company LLC | 27 | 2,846 |
|---|
| Porterdale Farms Inc | 19 | 2,535 |
|---|
Companies, trusts and public agencies, ranked by acres held under the name on the assessor's file. Private individuals are not ranked. Largest landowners in New York
Federal farm payments in Jefferson County
- $3.4M
- Paid in 2025
- 158
- Recipients
Federal farm program payments by program in Jefferson County, New York, 2025| Program | Paid |
|---|
| Emergency Commodity Assistance Program | $2.2M |
|---|
| Supplemental Disaster Relief Non-Spec Crops | $739K |
|---|
| Supplemental Disaster Relief Spec Crops | $146K |
|---|
| Marketing Assistance for Specialty Crops | $130K |
|---|
| Emergency Assist Livestock Bees Fish ELAP | $69K |
|---|
| CRP Payment - Annual Rental | $50K |
|---|
USDA Farm Service Agency payment files, 2025. Compare farm subsidies by county
Foreign-held farmland in Jefferson County
- 26,157
- Acres disclosed
- 63
- Holdings
Foreign-held agricultural land by country in Jefferson County, New York, 2024| Country | Acres |
|---|
| Spain | 8,235 |
|---|
| Germany | 6,535 |
|---|
| United Kingdom | 5,478 |
|---|
| No foreign investor listed | 3,262 |
|---|
| Italy | 1,580 |
|---|
| Liberia | 890 |
|---|
Largest disclosed holders
Largest foreign holders of agricultural land in Jefferson County, New York| Holder (country) | Acres |
|---|
| ST. LAWRENCE WINDPOWER, L.L.C. (SPAIN) | 8,235 |
|---|
| LUCKY STAR RANCH CORP. (GERMANY) | 4,972 |
|---|
| Geronimo Solar Energy, LLC (UNITED KINGDOM) | 4,120 |
|---|
| Copenhagen Wind Farm, LLC (998 - NO FOREIGN INVESTOR LISTED) | 2,700 |
|---|
| Beacon Harbor Solar Project, LLC (ITALY) | 1,580 |
|---|
USDA Agricultural Foreign Investment Disclosure Act filings, holdings at the end of 2024. Only disclosed interests are counted. See foreign-owned farmland by county
Crop insurance in Jefferson County
- 204
- Policies
- 84,058
- Insured acres
- $3.7M
- Claims paid
- 1.09
- Loss ratio
Crop insurance claims by crop in Jefferson County, New York, 2024| Crop | Claims |
|---|
| Pasture,Rangeland,Forage | $1.7M |
|---|
| Soybeans | $790K |
|---|
| Corn | $719K |
|---|
| Apiculture | $271K |
|---|
| Wheat | $183K |
|---|
USDA Risk Management Agency Summary of Business, 2024 crop year.
Conservation and the power grid
- 878
- CRP acres, 2025
- 47
- Substations
- 115 kV
- Highest voltage
Conservation Reserve Program acres under contract (USDA FSA). Substations in service, from a public copy of the federal HIFLD layer.
Find out who owns a property in Jefferson County by address, free, or work out a lot's acreage.
This copy of Jefferson County's records was taken on August 11, 2026. Assessment records, not a survey.