Am I personally liable for a dead parent's property taxes?

Generally no — the debt attaches to the property, not to you. But the property itself will be lost if the taxes stay unpaid, taking the family's equity with it.

The auction is three weeks away. Is it too late to sell?

Usually not — cash purchases can close in days, with the taxes paid out of closing. It becomes too late only when the gavel falls (or when short redemption windows expire). Call the same day you learn the date.

Can one heir just pay the taxes to protect the property?

Yes, and it stops the clock. That heir may have a claim for reimbursement against the others' shares later — track every payment.

What Happens When Property Taxes Go Unpaid on an Inherited House?

Quick answer: The taxing authority never forgets. Unpaid taxes compound with penalties and interest, then trigger a tax foreclosure suit (Texas), a tax lien certificate sale (Arizona, Florida), a courthouse tax sale (Georgia), or certification to the state for auction (Arkansas). Heirs usually have a redemption window — but every path ends with the family losing the property for a fraction of its value if nobody acts. Selling before the deadline almost always preserves more equity.

Why inherited houses are the ones that slip

Tax bills go to the recorded owner — often a deceased parent's old mailing address. No single heir feels responsible, everyone assumes someone else is handling it, and the first notice the family actually reads is a foreclosure suit or auction posting. This isn't negligence; it's the natural result of unsettled heirship. But the county doesn't grade on intent.

The five state timelines

Texas: penalties stack fast (roughly 40%+ in year one), taxing units file foreclosure suits, and post-sale redemption is short — 2 years for homestead/agricultural property, 180 days for everything else.
Arizona: tax lien certificates are auctioned each February; after the statutory period (generally three years) the lien holder can foreclose and take title outright.
Florida: tax certificates sell each June; after two years the holder can force a tax deed auction. HOA liens often ride alongside.
Georgia: courthouse tax sales, then a 12-month redemption window at the sale price plus premium — a real second chance, but an expensive one.
Arkansas: delinquent land is certified to the Commissioner of State Lands and auctioned; redemption stays open until the sale actually happens.

What auctions actually pay families

Tax auctions exist to collect taxes, not to maximize value. Properties routinely sell for the tax debt plus a modest premium — a $200,000 house can go for $30,000. Some states return surplus proceeds to owners who claim them; many families never do, and the claims process has its own deadlines. Compare that with a pre-deadline sale at real market value, where the taxes are simply paid out of closing.

Your realistic options, in order of urgency

Confirm the exact status today — county tax office, or the Commissioner of State Lands in Arkansas. Ask: amount owed, suit filed?, sale scheduled?, redemption deadline?
Payment plans and deferrals — Texas offers installment agreements and over-65/disabled deferrals; other states have hardship options. These pause the bleeding, not the underlying problem.
Redeem if a sale already happened and the window is open (Georgia's 12 months; Texas's shorter windows).
Sell before the deadline — a cash sale pays the taxes at closing and returns the remaining equity to the family. This is where we do most of our work: we've closed purchases days before scheduled auctions.