County and municipal agencies in Calaveras County, California sell surplus through online auction sites like GovDeals and Public Surplus. BidProwl tracks all of them in one place: 4 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.
3 live auctions across Calaveras County right now.

2538 GOLDEN GATE DR, San Andreas, CA 95249. 4 bed | 2 bath | 1,531 sq ft. Type: bank-owned. List price: $241,100

Freddie Mac foreclosure at 6098 Quartz Mine Road, Mountain Ranch, CA 95246. Status: Active

20045 Jesus Maria Rd, Mokelumne Hill, CA 95245. 4 bed | 3 bath | 3,000 sq ft | built 1968 | 1 acre lot. MLS sheet attached