Contra Costa County, California tax sale

Last checked Tue, Oct 27, 2026

Information only, not investment or legal advice. Sale dates, terms and deadlines change; always confirm with the county before you register or bid.

Upcoming sales

No 2027 date posted yet. The county posts property lists on www.cctax.us in mid to late January and mid to late April, with the tentative date and time on that registration site.

Sale details

Sale type: deed
Format: Online
Schedule: Typically, our sales are held in late February and May on an online auction platform.
Auction site: Online auction platform (not named on the current page; registration details at www.cctax.us; an older county page names GovEase) (we link to it; we don't copy its listings)
How to bid: Register through the county's online auction platform before making any deposit. A single $5,000.00 deposit and a non-refundable registration fee (amount not stated) are required to be approved to bid; deposits are due no later than the Friday two weeks before the sale begins. Sealed or mailed bids are not accepted. Minimum bids are listed per parcel and bids rise in $100 increments. Winning bids must be paid in full through the platform within 24 hours by close of the tax sale. Phone not stated.

County contact

Office: Contra Costa County Treasurer-Tax Collector
Address: 625 Court St, Room 100, Martinez, CA 94553 (mailing address, Attention: Redemption)
Website: https://www.contracosta.ca.gov/10611

Sources

https://www.contracosta.ca.gov/10611 checked Oct 27, 2026
https://www.contracosta.ca.gov/2218 checked Oct 27, 2026

Source: Contra Costa County, California official websites listed above. TaxAuctionLists is independent and is not affiliated with or endorsed by Contra Costa County.

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