Lewis and Clark County, Montana property search
Search an address or an owner in Lewis and Clark County, Montana with the box at the top of the map, or tap a lot, for its owner, lines and acreage. 40,142 lots are mapped here, covering 2,206,771 acres. 6,895 of them are held by institutions rather than by individuals.
Farmers and landowners in Lewis and Clark County received $2.9 million in federal farm program payments in 2025, paid to 113 recipients. 10,622 acres of agricultural land here are disclosed as foreign-held, the most by owners from Canada. Crop insurance paid $1.5 million in claims for the 2024 crop year.
- 40,142
- Lots mapped
- 2,206,771
- Acres
- 6,895
- Institutional
Land use in Lewis and Clark County
Parcels and acreage by land use in Lewis and Clark County, Montana| Land use | Parcels | Acres |
|---|
| Improved Property | 26,235 | 215,978 |
|---|
| Vacant Land | 7,741 | 759,047 |
|---|
| Exempt Property | 4,067 | 1,200,363 |
|---|
| Apartment | 913 | 348 |
|---|
| Townhouse | 252 | 36 |
|---|
| Non-Valued Property | 231 | 361 |
|---|
| Mobile/RV Parks | 84 | 607 |
|---|
| Non-Valued with Specials | 75 | 109 |
|---|
| CN - Centrally Assessed Non-Valued Property | 50 | 728 |
|---|
| Industrial Property | 38 | 1,642 |
|---|
| Mining Claim | 38 | 704 |
|---|
| Improved - Deed Restricted | 18 | 3 |
|---|
Largest landowners in Lewis and Clark County
Largest landowners by acreage in Lewis and Clark County, Montana| Owner | Parcels | Acres |
|---|
| STATE OF MONTANA | 410 | 123,073 |
|---|
| DEARBORN RANCH LLC | 151 | 60,126 |
|---|
| BROKEN O LAND & LIVESTOCK LLC | 205 | 53,034 |
|---|
| SIEBEN RANCH COMPANY | 122 | 48,159 |
|---|
| STERLING RANCH CO | 63 | 30,644 |
|---|
| SIEBEN RANCH CO | 74 | 25,594 |
|---|
| LF RANCH MT LLC | 77 | 22,704 |
|---|
| CHEVALLIER RANCH CO | 33 | 13,850 |
|---|
| SKC MINERALS LLC | 27 | 12,483 |
|---|
| GILLETTE CREEK CATTLE COMPANY | 27 | 12,119 |
|---|
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 Montana
Federal farm payments in Lewis and Clark County
- $2.9M
- Paid in 2025
- 113
- Recipients
Federal farm program payments by program in Lewis and Clark County, Montana, 2025| Program | Paid |
|---|
| Emergency Livestock Relief Program 2023-24 | $801K |
|---|
| Livestock Forage Disaster Program | $666K |
|---|
| Emergency Commodity Assistance Program | $502K |
|---|
| Livestock Forage Program | $493K |
|---|
| Marketing Assistance for Specialty Crops | $210K |
|---|
| Supplemental Disaster Relief Non-Spec Crops | $133K |
|---|
USDA Farm Service Agency payment files, 2025. Compare farm subsidies by county
Foreign-held farmland in Lewis and Clark County
- 10,622
- Acres disclosed
- 10
- Holdings
Foreign-held agricultural land by country in Lewis and Clark County, Montana, 2024| Country | Acres |
|---|
| Canada | 6,206 |
|---|
| Mexico | 3,976 |
|---|
| Italy | 400 |
|---|
| Germany | 40 |
|---|
Largest disclosed holders
Largest foreign holders of agricultural land in Lewis and Clark County, Montana| Holder (country) | Acres |
|---|
| WILLOMAR LAND & LIVESTOCK LTD. (CANADA) | 5,560 |
|---|
| ASARCO, INC. (MEXICO) | 3,976 |
|---|
| CANEY RIVER WIND PROJECT, L.L.C. (ITALY) | 400 |
|---|
| Rudolf T. Peters Professional Corporation (CANADA) | 237 |
|---|
| 1138290 Ontario Inc (CANADA) | 160 |
|---|
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 Lewis and Clark County
- 50
- Policies
- 271,768
- Insured acres
- $1.5M
- Claims paid
- 1.22
- Loss ratio
Crop insurance claims by crop in Lewis and Clark County, Montana, 2024| Crop | Claims |
|---|
| Pasture,Rangeland,Forage | $1.1M |
|---|
| Forage Production | $153K |
|---|
| All Other Crops | $147K |
|---|
| Wheat | $87K |
|---|
| Barley | $56K |
|---|
USDA Risk Management Agency Summary of Business, 2024 crop year.
Conservation and the power grid
- 4,337
- CRP acres, 2025
- 28
- Substations
- 230 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 Lewis and Clark County by address, free, or work out a lot's acreage.
Lewis and Clark County last published these records on August 4, 2026. Assessment records, not a survey.