County and municipal agencies in Silver Bow County, Montana sell surplus through online auction sites like GovDeals and Public Surplus. BidProwl tracks all of them in one place: 137 live lots right now. Register on the platform hosting the lot you want; most items are local pickup only.
The usual mix is retired fleet vehicles and police cruisers, public works equipment, school district electronics and furniture, and unclaimed or seized property. Inventory refreshes daily as agencies list new surplus.
9 live auctions across Silver Bow County right now.

1900 ROBERTS AVE, Butte, MT 59701. 2 bed | 1 bath | 1,092 sq ft. Type: FORECLOSURE

Caterpillar 3306 6 Cyl Diesel, Eaton Fuller 8LL M/T, Spring Susp, Air Lift Tag Axle, IMT 16000 Series 2 Crane 42 Ft Boom, Wall Board Attachment, F-385...
Inoperable, engine partially dismantled, must be towed
205 N Excelsior Avenue, Butte, MT 59701. 6 bed | 4,890 sq ft | built 1905
3320 Saddle Rock Road, Butte, MT 59701
Lot 2 Ruby Mine Road, Butte, MT 59701
Lot 5 Ruby Mine Road, Butte, MT 59701
Lot 2 Ruby Mine Road, Butte, MT 59701
Lot 5 Ruby Mine Road, Butte, MT 59701
527 W Park Street, Butte, MT 59701. 3 bed | 1 bath | 1,247 sq ft | built 1918