Iowa Code Title XV. Judicial Branch and Judicial Procedures [Chs. 595-686] § 648.1. Grounds

1. Where the defendant has by force, intimidation, fraud, or stealth entered upon the prior actual possession of another in real property, and detains the same.

2. Where the lessee holds over after the termination of the lease.

3. Where the lessee holds contrary to the terms of the lease.

4. Where the defendant continues in possession after a sale by foreclosure of a mortgage, or on execution, unless the defendant claims by a title paramount to the lien by virtue of which the sale was made, or by title derived from the purchaser at the sale; in either of which cases such title shall be clearly and concisely set forth in the defendant's pleading.

5. For the nonpayment of rent, when due.

6. When the defendant or defendants remain in possession after the issuance of a valid tax deed.