Tax Auction Guide for Investors

In California, properties with delinquent property taxes may be sold at public tax auctions to recover unpaid taxes. These auctions present opportunities for investors and real estate professionals to acquire properties at significant discounts. Understanding the process, legal implications, and due diligence requirements is essential before participating in a tax auction.

California primarily utilizes tax deed sales, meaning the winning bidder receives full ownership of the property rather than just a lien on the unpaid taxes. Investors must be aware that properties are sold as-is, without title insurance, and may require additional legal work to clear title defects.

This guide outlines the auction process, county-by-county schedules, best practices, and risk mitigation strategies for those interested in purchasing tax-defaulted properties in California.

California Tax Auction Schedule by County

Los Angeles

April 19–22

ttc.lacounty.gov

Santa Clara

March–April 2025

sccgov.org

San Diego

March 14-19

sdttc.com

Ventura

March–April 2025

ventura.org

Orange

May–June

octreasurer.com

San Bernardino

May–June

sbcounty.gov

Tax Auction Process in California

Statue of Lady Justice holding scales, symbolizing law and fairness.

Riverside

April–May 2025

countytreasurer.org

1. Identifying Available Properties

Each county publishes a list of tax-defaulted properties eligible for auction. These lists are typically available:

  • On the county tax collector’s website.

  • Through online auction platforms such as Bid4Assets and GovEase.

Properties can include:

  • Residential and commercial buildings

  • Vacant land

  • Agricultural parcels

It is crucial to verify zoning regulations, land use restrictions, and title history before bidding.

2. Registration and Deposit Requirements

Most counties require pre-registration before participating in a tax auction. Key requirements typically include:

  • Bidding Deposit: $1,000–$5,000 (varies by county).

  • Online Account Setup: Registration through an auction platform or county portal.

  • Bidder Verification: Submission of valid identification and payment details.

Deposits are refunded if the bidder does not win an auction.

3. Conducting Due Diligence

Before placing a bid, it is critical to conduct thorough due diligence, including:

  • Property Condition: Many tax-defaulted properties are in poor condition. On-site inspections may not be possible.

  • Title and Liens: Some counties do not guarantee a clear title. Research outstanding liens, easements, or encumbrances.

  • Market Value: Compare recent sales data and appraisals to determine an appropriate bid amount.

4. Bidding at Auction

Tax deed auctions are typically held online. Participants submit bids, and the highest bidder wins the property. The minimum bid usually includes:

  • Unpaid property taxes

  • Penalties and administrative fees

5. Post-Auction Payment and Deed Transfer

Winning bidders must complete payment within 24–72 hours after the auction. Payment methods vary by county but generally include:

  • Wire transfers

  • Certified checks

  • ACH payments

Once the transaction is finalized, the county issues a tax deed. In some cases, buyers may need to pursue a quiet title action to obtain title insurance.

Best Practices for Investors

To maximize success in tax deed investing, consider the following best practices:

1. Set a Clear Investment Strategy

  • Fix and Flip: Renovate distressed properties and resell at market value.

  • Buy and Hold: Rent out properties for long-term cash flow.

  • Wholesale: Acquire tax deed properties and resell to other investors.

2. Avoid Common Pitfalls

  • Overbidding: Avoid exceeding market value—stick to 50-70% of the estimated resale price.

  • Title Issues: Some properties have title defects that require legal resolution.

  • Non-Buildable Land: Research zoning and land use restrictions before bidding.

3. Consult Professionals

  • Real Estate Appraisers: Confirm property values and provide due diligence.

  • Title Companies: Conduct title searches to confirm lien status.

  • Surveyors and Inspectors: Verify property boundaries and condition.