Talk to a lawyer. In many cases you can keep your home if you file for bankruptcy. Start here:
Will I Lose My Home If I File for Chapter 7 Bankruptcy?
In many cases you can keep your home in Chapter 7 bankruptcy.
http://www.nolo.com/legal-encyclopedia/lose-home-file-chapter-7-bankruptcy.html
In Chapter 13 your back property taxes would be repaid like your other debt obligations over the course of your mandated repayment program.
I have no debts. All I have is the house, my Jeep, and my monthly social security.