County and municipal agencies in Union County, Arkansas sell surplus through online auction sites like GovDeals and Public Surplus. BidProwl tracks all of them in one place: 3 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 Union County right now.

808 N Madison Ave, El Dorado, AR 71730. 2 bed | 4 bath | 2,897 sq ft. Type: bank-owned. List price: $75,000

510 E 6TH ST, El Dorado, AR 71730. 3 bed | 2 bath | 1,864 sq ft. Type: bank-owned. List price: $120,000

Freddie Mac foreclosure at 1411 N Jefferson Ave, El Dorado, AR 71730. Status: Active