Direct answer
To buy tax lien properties, start with the county tax collector or treasurer delinquent list, screen each address with the Property Opportunity Score, then project your return with the Tax Lien Yield calculator before you register to bid. Confirm the interest rate, redemption window, and any surviving liens with the county, because those are set by state law.
The tax amount is only the first signal. This lead needs county verification, title review, repair math, and a written bid ceiling before it belongs in an auction plan.
Search the county tax collector, treasurer, clerk, or sheriff site for delinquent taxes, tax certificates, tax deeds, or tax sales. Capture parcel number, property address, owner name, amount owed, sale status, and the county contact source you used.
Use the Property Opportunity Score to sort obvious long shots from leads worth a closer look. A tax debt alone is not a deal. You still need equity, a usable property, clear enough title, and a bid that survives repairs and holding time.
Run the Tax Lien Yield calculator when the county sells liens, or max-bid math when the county sells deeds. Confirm the interest rate, redemption window, premiums, penalties, and any fees with the county sale rules.
Write your ceiling before the auction opens. Include title review, insurance, property taxes, legal help, cleanup, vacancy, and the time your cash may sit during redemption or foreclosure.
Some sales pay interest when the owner redeems. Others may lead toward a deed or foreclosure process. Do not assume you can take possession quickly. Confirm the path with the county and state source before bidding.
Use the Property Opportunity Score to sort delinquent-tax leads before deeper research.
Model redemption timing, premiums, and annualized return before bidding.
Search live ZIP inventory, then compare any promising address against county tax-sale rules and your bid ceiling.
Start with the county tax collector, treasurer, clerk, or sheriff sale source. Some counties publish delinquent lists online; others require a records request or office review.
No. Screen the address, verify property condition, check title and surviving liens, and run yield or max-bid math before you register or bid.
No. Redemption, interest, premium, and foreclosure rules are set by state law and county sale terms. Confirm the current rule with the county before relying on a return number.