County and municipal agencies in Sedgwick County, Colorado sell surplus through online auction sites like GovDeals and Public Surplus. BidProwl tracks all of them in one place: 11 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.
11 live auctions across Sedgwick County right now.

Single Family Home at 120 E 5th St, Julesburg, CO 80737. 3 bed | 3 bath | 2,573 sq ft | built 1919. FHA financing: IE (Insured Escrow). Eligible bidde...
600 W 5th St, Julesburg, CO 80737
14975 US Highway 385, Julesburg, CO 80737. 4 bed | 2 bath | 2,613 sq ft | built 1982
200 Main Ave, Sedgwick, CO 80749. built 1932

US Hwy 385, Julesburg, CO 80737
100 Main Ave, Sedgwick, CO 80749. 16 bed | 10 bath | built 1920
420 E 2nd St., Julesburg, CO 80737. 2 bed | 1 bath | built 1912

114 E 3rd St, Julesburg, CO 80737. 3 bed | 2 bath | 1,216 sq ft | built 1997
14975 US Highway 385, Julesburg, CO 80737
15277 US Highway 385, Julesburg, CO 80737
622 W 1st St, Julesburg, CO 80737. built 1948