Wis. Stat. § 75.521

(7) Right of person having an interest in or lien upon parcels described in list of tax liens, to answer petition.

(a) Every person having any right, title or interest in or lien upon any parcel described in such list of tax liens, may serve a duly verified answer upon the county treasurer for such county, setting forth in detail, the nature and amount of that person’s interest and objecting to the proposed foreclosure upon one or more of the following grounds only:

1. That the lands in which such person is interested, described in such list of tax liens, were not liable to taxation, special assessment, special charge or special tax at the time the tax, special assessment, special charge or special tax for the nonpayment of which the tax lien arises, was levied.

2. That the tax, special assessment, special charge or special tax for the nonpayment of which said tax lien arises, was in fact paid before the last day of the redemption period provided by law.

3. That the tax lien is barred by the statute of limitations.

(b) No other defense to the petition of said county set forth in such tax list, shall be set up. Such answer must be filed in the office of the clerk of the circuit court and served upon the county treasurer of such county within 30 days after the date hereinabove mentioned, as the last date for redemption.

(8) Duty of the court to enter judgment in default cases. In the event of the failure to redeem or answer by any person having the right to redeem or answer as hereinabove provided, such person and all persons claiming under and through that person, from and after the date of the filing of the list of tax liens in the office of the clerk of the circuit court of the county, shall be forever barred and foreclosed of all right, title and interest and equity of redemption in and to the parcel described in such list of the tax liens, and upon filing of an affidavit of such default or failure of redemption by the county treasurer of such county, the court in which such list of tax liens is filed, shall render final judgment ordering and adjudging that the county is vested with an estate in fee simple absolute in such lands, subject, however, to all unpaid taxes and charges which are subsequent to the latest dated valid tax lien appearing on the list specified in sub. (3) (b) and to recorded restrictions as provided by s. 75.14 (4) and all persons, both natural and artificial, including the state of Wisconsin, infants, individuals adjudicated incompetent, absentees, and nonresidents who may have had any right, title, interest, claim, lien or equity of redemption in such lands, are forever barred and foreclosed of such right, title, interest, claim, lien or equity of redemption. Such judgment shall be deemed to be based on the latest dated valid tax lien appearing on the list of tax liens. No personal judgment shall be entered against any person having or claiming to have any right, title or interest in or lien upon said lands. Such judgment shall have the effect of the issuance of a tax deed or deeds and of judgment to bar former owners and quiet title thereon.

(9) Filing of affidavit. All affidavits of filing, publication, posting, mailing or other acts required by this section, shall be made by the person performing such acts and shall be filed in the office of the clerk of the circuit court of the county in which the property subject to such tax lien is situated and shall, together with all other documents required in this section, filed in such office, constitute and become part of the judgment roll in such foreclosure proceeding.
r other acts required by this section, shall be made by the person performing such acts and shall be filed in the office of the clerk of the circuit court of the county in which the property subject to such tax lien is situated and shall, together with all other documents required in this section, filed in such office, constitute and become part of the judgment roll in such foreclosure proceeding.

(10) Contested issues and trial thereof. If a duly verified answer is served upon the county treasurer within the period mentioned in sub. (7) , the court shall hear and determine the issues raised by the petition and answer in the same manner and under the same rules as it hears and determines civil actions, except as in this section otherwise provided. Upon such trial, proof that such tax, special assessment, special charge or special tax, together with any interest or penalty which may have been due was paid, or that the property was not subject to tax, special assessment, special charge or special tax, or that such tax lien is barred by the statute of limitations, shall constitute a complete defense. Whenever an answer is interposed as herein provided, there shall be a severance of the proceeding as to any parcel or parcels of land in which such answering defendant has any right, title or interest as alleged in his or her answer, and as to the other parcels in such list, the proceeding shall proceed as provided in sub. (8) .

(11) Preference over other proceedings and actions. Any proceeding brought pursuant to this section shall be given preference over all other causes and actions not on trial and no such proceeding shall be referred.

(12) Presumptions of validity; guardian ad litem.

(a) The county need not plead or prove the various steps, proceedings and notices for the assessment and levy of the taxes, assessments or other lawful charges against the lands set forth in the list of tax liens and all such taxes, assessments or other lawful charges and the lien thereof shall be presumed to be valid. A defendant alleging any jurisdictional defect or invalidity in the tax, special assessment, special charge or special tax, because of which said land was not liable to taxation, special assessment or other lawful charge, must particularly specify in the defendant’s answer such jurisdictional defect or invalidity and must affirmatively establish such defense.

(b) This section shall apply to and be valid and effective with respect to all defendants even though one or more be infants, individuals adjudicated incompetent, absentees or nonresidents of the state of Wisconsin, provided that a guardian ad litem shall be appointed to serve for all persons known or unknown who have or may have an interest in the lands described in any list and who are or may be minors or individuals adjudicated incompetent at the date of filing such list. Such guardian ad litem may be appointed by the court without notice, and the fee for the services of the guardian ad litem as fixed by the court shall be paid by the county.

(13) Judgment, contents.

(a) Where, as to any parcel in the list of tax liens, an answer has been interposed by a party and the court shall determine in favor of such party upon such answer, the court shall make a final judgment divesting said parcel of the lien alleged to have accrued against same.
fee for the services of the guardian ad litem as fixed by the court shall be paid by the county.

(13) Judgment, contents.

(a) Where, as to any parcel in the list of tax liens, an answer has been interposed by a party and the court shall determine in favor of such party upon such answer, the court shall make a final judgment divesting said parcel of the lien alleged to have accrued against same.

(b) In the event that the court shall determine that the issue raised by the answer of the defendant is without merit, a final judgment to such effect shall be entered ordering and adjudging that the county is vested with an estate in fee simple absolute in such lands subject, however, to all unpaid taxes and charges which are subsequent to the latest dated tax lien appearing on the list specified in sub. (3) (b) and to recorded restrictions as provided by s. 75.14 , and all persons, both natural and artificial, including the state of Wisconsin, infants, individuals adjudicated incompetent, absentees and nonresidents who may have had any right, title, interest, claim, lien or equity of redemption in such lands, are forever barred and foreclosed of such right, title, interest, claim, lien or equity of redemption. Such judgment shall be deemed to be based on the latest dated tax lien appearing on the list of tax liens. Such judgment shall have the effect of the issuance of a tax deed or deeds and of judgment to bar former owners and quiet title thereon.

(14) Judgment to be recorded. A certified copy of the judgment of the court in both default and contested cases shall be recorded by the prevailing party in the office of the register of deeds of such county.

(14a) Damages. Any person who was the owner of any right, title or interest in land which was lost by judgment of foreclosure as provided in this section may within 2 years from the date of entry of such judgment, in the cases hereinafter mentioned other than fraud and within 6 years in the case of fraud, commence an action in the circuit court against the county to recover the fair market value of the person’s interest therein at the date of entry of said judgment of foreclosure in rem. If the court determines that such person’s right, title and interest in said land was unjustly foreclosed and lost because said person’s interest in such lands was not subject to taxation, special assessment, special charge or special tax at the time of the levy of the tax, assessment or charge, for nonpayment of which said lands were foreclosed, or that in fact such tax, special assessment, special charge or special tax was paid by said owner, or that the tax lien upon which the judgment of foreclosure in rem was based was barred by the statute of limitations, or if such person lost said property through fraud without fault on his or her part, the court shall determine the fair market value of said land or of said person’s interest therein as hereinabove set forth. The fair market value shall not exceed the amount arrived at by dividing the assessed valuation of such lands in the year in which such judgment in rem was entered by the percentage ratio of real estate assessments prevailing for the taxing district in which the lands were located as set forth in the equalization for state tax purposes of the same year. The court shall award judgment to such plaintiff in such amount, together with reasonable attorney fees to be fixed by the court, and the plaintiff’s costs and disbursements of such action. The amount awarded the plaintiff shall be reduced by the total amount due, as of the date of entry of such judgment, for all current taxes and upon all tax certificates held by the county on such date that the court shall find were valid
ent to such plaintiff in such amount, together with reasonable attorney fees to be fixed by the court, and the plaintiff’s costs and disbursements of such action. The amount awarded the plaintiff shall be reduced by the total amount due, as of the date of entry of such judgment, for all current taxes and upon all tax certificates held by the county on such date that the court shall find were valid. Upon payment of the judgment the county may charge back as a tax to any taxing district the amount which such district received from the county in payment of taxes and interest on said land either by distribution of proceeds of sale thereof by the county or through other payment by the county to the extent that it exceeds the amount distributable to such district had the same been based upon the payment of the taxes and interest found by the court to be properly payable at the time of the entry of the judgment of foreclosure and applied in reduction of the amount awarded to the plaintiff hereunder.

History: 1977 c. 174 ; 1979 c. 34 , 89 ; 1983 a. 52 , 192 , 302 , 538 ; 1987 a. 27 , 378 ; 1989 a. 330 , 347 ; 1991 a. 39 , 316 ; 1993 a. 301 , 490 ; 1995 a. 224 , 225 , 417 ; 1997 a. 72 , 250 ; 1999 a. 96 ; 2005 a. 387 ; 2017 a. 207 s. 5 .