Mich. Comp. Laws § 104A.3: Special assessment and interest thereon as lien and debt; delinquency.

Sec. 3.

After the date of confirmation of any roll levying a special assessment, the full amount of the assessment and all interest thereon shall constitute a lien on the premises subject thereto and that amount shall also be a debt of the person to whom assessed until paid and, in case of delinquency, may be collected as delinquent city property taxes or by a suit against the person.