Upon failure to comply with a compliance order within the time set therein and no appeal having been taken, or upon failure to comply with a modified compliance order within the time set therein, the same shall be deemed a nuisance, and, in addition to the criminal penalty, the Council may, pursuant to the procedures of M.S. Chapter 429, as it may be amended from time to time, cause the cited deficiencies to be remedied by a public improvement, and specially assessed accordingly, except it shall be payable in a single installment.
(`89 Code, § 27.380)