Public auctions · Sonoma County
Public auctions in Sonoma County
Sonoma County Treasurer-Tax Collector: last sale Nov 7–10, 2025 (57 parcels listed, 18 sold). No next date is posted. Each entry links to the agency's own page first.
Tax-defaulted property
From the county's own tax collector page. Read the agency's terms of sale before you bid.
- Next date not announced
Tax-defaulted property auction · Sonoma
Sonoma County Treasurer-Tax Collector
2026 sale not announced yet.
Last sale: Nov 7–10, 2025 (57 parcels listed, 18 sold)
Checked against the agency's page Oct 21, 2026
Surplus vehicles and equipment
Sold by agencies in Sonoma County through the channels listed. Bidding happens on the platform the agency names.
- Oct 21–30, 2026
12 vintage vehicles + cargo container lot · Sonoma
City of Santa Rosa
Includes a 1974 Porsche 911 Targa S and a 1934 Ford 2-door sedan; the City says vehicles are in poor condition and some may lack a DMV title. Bidding opens Oct 21, 9:00am; closes Oct 30, 4:00pm (5-minute extension). Pickup Nov 16, 9am–4pm. Wire transfer required for $4,000+.
Checked against the agency's page Oct 21, 2026
- Ongoing
City surplus vehicles and equipment · Sonoma
City of Santa Rosa
The City frequently sells surplus trucks, sedans, motorcycles, pumps and furniture through First Capitol Auction in Vallejo.
Checked against the agency's page Oct 21, 2026
- Ongoing
SMART surplus auctions · Sonoma
Sonoma-Marin Area Rail Transit (SMART)
Materials, equipment and other supplies SMART no longer needs, auctioned on GovDeals.
Checked against the agency's page Oct 21, 2026
Bidding sites used here: Bid4Assets, First Capitol Auction, GovDeals, Public Surplus. We link to them so you can bid and take no dates or details from them. Calendar entries last checked Oct 21, 2026. See every Bay Area sale. Picker's Desk is independent and isn't affiliated with any agency or auction site.