Abandoned property + tax sales — buying via county auction

Tax-lien vs tax-deed

**Tax-lien states** (~28 states): county sells the LIEN to investors. Investor pays the back taxes + earns interest (8-36% depending on state) when the homeowner redeems. If no redemption within statutory window (1-3 years typically), investor can foreclose for the deed.

**Tax-deed states** (~22 states): county sells the DEED outright at auction. Buyer takes possession immediately or after a brief redemption period.

**Hybrid states** (FL, GA, HI, IL, OH, PA, TN, TX): mix of both, varies by local jurisdiction.

Auction mechanics

Counties post upcoming auctions on county treasurer/tax-collector websites. Many states require pre-registration + deposit (cash or cashier's check).

Bid increments vary; some are bid-down-the-interest-rate (lien states), others are bid-up-the-price (deed states).

All purchases AS-IS — no inspection, no warranty, no title insurance. Buyer takes whatever encumbrances aren't cleared by the tax sale.

Due-diligence checklist

**1. Title search** — most county tax sales DO NOT extinguish all liens. IRS liens (federal), child support, mechanics' liens often survive. Hire title company $200-$500 BEFORE bidding.

**2. Drive-by** — verify property still exists, isn't condemned, isn't an empty lot.

**3. Permit history** — check unresolved code violations + liens at city building department.

**4. Occupancy** — squatter? owner still there? eviction process can take 60-180 days.

**5. Environmental** — Phase I ESA for commercial; chemical/methamphetamine contamination on residentials in known hot-spot areas.

Common pitfalls

**Quiet title actions** — even after winning auction, you may need to file quiet-title lawsuit to perfect title for resale. $1,500-$5,000 in legal fees.

**Mortgage liens** — if the property had an active mortgage when tax-sold, the bank may redeem at any point during the redemption window. You're left with interest only, no deed.

**Federal IRS liens** — survive tax sales. IRS has 120-day right of redemption AFTER sale in many states.

**Estate sales** — heirs may have unrecorded interest. Check death certificates + probate filings.

**Properties scheduled for redevelopment** — eminent domain may take it before you can occupy.

Realistic returns

**Tax liens**: redemption rate 95-98% nationally. Steady 8-18% interest with low-but-real default risk.

**Tax deeds**: 5-30% discount to market in good cases; can be 50%+ on problem properties (occupied, contaminated, encumbered).

**Note**: many properties at auction are auctioned multiple times before transfer because the encumbrances make them economically unattractive.

What zipradar shows

Tax sales are NOT in our 12-dimension federation. County treasurer websites are canonical sources (each state's auction calendar is its own subdomain).

Pair /topic/deed-activity/[zip]/ for recent transfer signals + /topic/property-tax/[zip]/ for delinquency-rate context.