Adams County, Washington property search
Search an address or an owner in Adams County, Washington with the box at the top of the map, or tap a lot, for its owner, lines and acreage. 13,746 lots are mapped here, covering 1,215,036 acres. 4,812 of them are held by institutions rather than by individuals.
Farmers and landowners in Adams County received $46.6 million in federal farm program payments in 2025, paid to 1,115 recipients. 17,179 acres of agricultural land here are disclosed as foreign-held, the most by owners from Portugal. Crop insurance paid $56.9 million in claims for the 2024 crop year.
- 13,746
- Lots mapped
- 1,215,036
- Acres
- 4,812
- Institutional
Land use in Adams County
Parcels and acreage by land use in Adams County, Washington| Land use | Parcels | Acres |
|---|
| 83 - Resource - Agriculture Current Use | 5,013 | 1,101,626 |
|---|
| 11 - Residential - Single Family | 4,626 | 4,692 |
|---|
| 98 - Government Owned Exempt Property | 1,275 | 81,619 |
|---|
| 91 - Undeveloped - Land | 878 | 1,690 |
|---|
| 81 - Resource - Agriculture | 594 | 22,307 |
|---|
| 67 - Services - Governmental | 189 | 652 |
|---|
| 82 - Resource - Agriculture Activities | 149 | 747 |
|---|
| 12 - Residential - 2-4 Units | 104 | 2 |
|---|
| 72 - Recreational - Public assembly | 83 | 83 |
|---|
| 68 - Services - Educational | 65 | 205 |
|---|
| 55 - Trade - Auto | 58 | 58 |
|---|
| 69 - Services - Misc | 58 | 104 |
|---|
Largest landowners in Adams County
Largest landowners by acreage in Adams County, Washington| Owner | Parcels | Acres |
|---|
| WASHINGTON STATE OF (LEASES ONLY) | 136 | 56,266 |
|---|
| HARDER FARMS INC | 144 | 54,035 |
|---|
| COW CREEK CATTLE COMPANY LLC | 73 | 27,306 |
|---|
| HERCULES RANCH LLC | 61 | 24,514 |
|---|
| SCABLAND PROPERTIES LLC | 58 | 21,002 |
|---|
| NORTHWEST PLAINS LLC | 53 | 12,999 |
|---|
| KULM LAND, LLC | 31 | 9,198 |
|---|
| BOX CANYON RANCH LLC | 19 | 8,056 |
|---|
| PARA RANCH LANDS INC | 19 | 7,827 |
|---|
| WASHINGTON STATE OF | 337 | 7,338 |
|---|
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 Washington
Federal farm payments in Adams County
- $46.6M
- Paid in 2025
- 1,115
- Recipients
Federal farm program payments by program in Adams County, Washington, 2025| Program | Paid |
|---|
| Supplemental Disaster Relief Non-Spec Crops | $13.9M |
|---|
| Emergency Commodity Assistance Program | $9.7M |
|---|
| Agricultural Risk Coverage Program - County | $7.8M |
|---|
| CRP Payment - Annual Rental | $6.9M |
|---|
| Marketing Assistance for Specialty Crops | $6.2M |
|---|
| Supplemental Disaster Relief Spec Crops | $1.4M |
|---|
USDA Farm Service Agency payment files, 2025. Compare farm subsidies by county
Foreign-held farmland in Adams County
- 17,179
- Acres disclosed
- 16
- Holdings
Foreign-held agricultural land by country in Adams County, Washington, 2024| Country | Acres |
|---|
| Portugal | 7,922 |
|---|
| Netherlands | 3,284 |
|---|
| United Kingdom | 2,696 |
|---|
| Canada | 2,677 |
|---|
| Bermuda | 440 |
|---|
| South Africa | 111 |
|---|
Largest disclosed holders
Largest foreign holders of agricultural land in Adams County, Washington| Holder (country) | Acres |
|---|
| HORIZON WIND ENERGY NORTHWEST VII, L.L.C. (PORTUGAL) | 7,922 |
|---|
| Bronco Wind and Solar LLC (NETHERLANDS) | 2,098 |
|---|
| Geronimo Solar Energy, LLC (UNITED KINGDOM) | 1,617 |
|---|
| GREEN, HELEN ET AL. (CANADA) | 1,231 |
|---|
| Dragonfly Solar LLC (NETHERLANDS) | 1,186 |
|---|
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 Adams County
- 946
- Policies
- 492,958
- Insured acres
- $56.9M
- Claims paid
- 2.51
- Loss ratio
Crop insurance claims by crop in Adams County, Washington, 2024| Crop | Claims |
|---|
| Wheat | $33.1M |
|---|
| Whole Farm Revenue Protection | $13.2M |
|---|
| Apples | $5M |
|---|
| Pasture,Rangeland,Forage | $1.6M |
|---|
| Corn | $1.1M |
|---|
USDA Risk Management Agency Summary of Business, 2024 crop year.
Conservation and the power grid
- 139,382
- CRP acres, 2025
- 29
- 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 Adams County by address, free, or work out a lot's acreage.
Adams County last published these records on June 24, 2026. Assessment records, not a survey.