Often, yes. Tax debt does not go away fast. The IRS usually has 10 years to collect, and California has 20. A person who asked for help 6 months ago may still owe, and the lead costs a fraction of a fresh one.
Aged leads take more dials to reach. Use a dialer, a short script and a steady follow up plan.
Look for aged leads that show the amount owed, the state and how many times they were sold.
Start small, track signed cases, then buy more of what works.
Updated October 2026. Market prices are list prices from public seller pages. Results depend on your firm. Not every lead becomes a case.