1. Except as otherwise provided in subsection 4 of this section, any person having any right, title, or interest in, or lien upon, any parcel of real estate described in such petition may redeem such parcel of real estate by paying to the collector all of the sums mentioned therein, including principal, interest, penalties, attorney’s fees and costs then due, at any time prior to the time of the foreclosure sale of such real estate by the sheriff.

2. In the event of failure to redeem prior to the time of the foreclosure sale by the sheriff, such person shall be barred and forever foreclosed of all his right, title and interest in and to the parcels of real estate described in such petition.

3. Upon redemption, as permitted by this section, the person redeeming shall be entitled to a certificate of redemption from the collector describing the property in the same manner as it is described in such petition, and the collector shall thereupon note on his records the word “redeemed” and the date of such payment opposite the description of such parcel of real estate.

4. For any improved nonhomestead parcel, any person having any right, title, or interest in, or lien upon, any parcel of real estate described in the petition may redeem such parcel of real estate at any time prior to the time of the foreclosure sale of such real estate by the sheriff by paying to the collector all of the sums due as of the date of redemption mentioned therein, including principal, interest, penalties, attorney’s fees, and costs then due including, but not limited to, all debts owed to the city, exclusive of any debts owed to any statutorily created sewer district, that are known to the collector and that may be collected pursuant to section 67.451, such as amounts for water, forestry, nuisance abatement, special tax bills, and vacant building assessments.