County and municipal agencies in Bexar County, Texas 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.
150 live auctions across Bexar County right now.

Olmos Park, TX · Hubzu
Listed until sold · 43 bids
$78,000
San Antonio, TX · PurpleWave
5d 16h left · 26 bids
$20,000
San Antonio, TX · PurpleWave
12d 17h left · 16 bids
$3,200