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HB 6005
Michigan House•Introduced
Summary
HB 6005, “Property tax: Headlee; calculation of Headlee rollback; modify. Amends sec. 34d of 1893 PA 206 (MCL 211.34d). TIE BAR WITH: HB 5996'26”, was introduced in the House on May 20, 2026 by Rep. Regina Weiss (D) with 2 co-sponsors. It was referred to Government Operations, and last saw action on May 21, 2026: Bill Electronically Reproduced 05/20/2026.
Record
Text
HB 6005 has 2 co-sponsors.
hb6005/introduced.txtHOUSE BILL NO. 6005A bill to amend 1893 PA 206, entitled"The general property tax act,"by amending section 34d (MCL 211.34d), as amended by2022 PA 240.the people of the state of michigan enact:Sec. 34d. (1) As used in this section or section 27a,or section 3 or 31 of article IX of the state constitution of 1963:(a) For taxeslevied before 1995, "additions" means all increases in value causedby new construction or a physical addition of equipment or furnishings, and thevalue of property that was exempt from taxes or not included on the assessment local taxcollecting unit's immediately preceding year's assessment roll.(b) For taxeslevied after 1994, "additions" means, except as provided insubdivision (c), all of the following:(i) Omitted real property. As used in thissubparagraph, "omitted real property" means previously existingtangible real property not included in the assessment. Omitted real propertydoes not increase taxable value as an addition unless the assessing jurisdiction localtax collecting unit has a property record card or other documentationshowing that the omitted real property was not previously included in theassessment. The assessing jurisdiction local tax collecting unit has the burden of proof inestablishing whether the omitted real property is included in the assessment.Omitted real property for the current and the 2 immediately preceding years,discovered after the assessment roll has been completed, must be added to thetax roll pursuant to the procedures established in section 154. For purposes ofdetermining the taxable value of real property under section 27a, the value ofomitted real property is based on the value and the ratio of taxable value totrue cash value the omitted real property would have had if the property hadnot been omitted.(ii) Omitted personal property. As used inthis subparagraph, "omitted personal property" means previouslyexisting tangible personal property not included in the assessment. Omittedpersonal property must be added to the tax roll pursuant to section 154.(iii) New construction. As used in thissubparagraph, "new construction" means property not in existence onthe immediately preceding tax day and not replacement construction. Newconstruction includes the physical addition of equipment or furnishings,subject to the provisions set forth in section 27(2)(a) to (q). For purposes ofdetermining the taxable value of property under section 27a, the value of newconstruction is the true cash value of the new construction multiplied by 0.50.(iv) Previously exempt property. As used inthis subparagraph, "previously exempt property" means property thatwas exempt from ad valorem taxation under this act on the immediately precedingtax day but is subject to ad valorem taxation on the current tax day under thisact. For purposes of determining the taxable value of real property undersection 27a:(A) The value ofproperty previously exempt under section 7u is the taxable value the entireparcel of property would have had if that property had not been exempt, minusthe product of the entire parcel's taxable value in the immediately precedingyear and the lesser of 1.05 or the inflation rate.(B) The taxablevalue of property that is a facility as that term is defined in section 2 of1974 PA 198, MCL 207.552, that was previously exempt under section 7k is thetaxable value that property would have had under this act if it had not beenexempt.(C) The value ofproperty previously exempt under any other section of law is the true cashvalue of the previously exempt property multiplied by 0.50.(v) Replacement construction. As used inthis subparagraph, "replacement construction" means construction thatreplaced property damaged or destroyed by accident or act of God and thatoccurred after the immediately preceding tax day to the extent theconstruction's true cash value does not exceed the true cash value of propertythat was damaged or destroyed by accident or act of God in the immediatelypreceding 3 years. Except as otherwise provided in this subparagraph, forpurposes of determining the taxable value of property under section 27a, thevalue of the replacement construction is the true cash value of the replacementconstruction multiplied by a fraction, the numerator of which is the taxablevalue of the property to which the construction was added in the immediatelypreceding year and the denominator of which is the true cash value of theproperty to which the construction was added in the immediately preceding year,and then multiplied by the lesser of 1.05 or the inflation rate. However, afterDecember 31, 2011, for purposes of determining the taxable value of propertyunder section 27a, if the property's replacement construction is ofsubstantially the same materials as determined by the state tax commission, ifthe square footage is not more than 5% greater than the property that wasdamaged or destroyed, and if the replacement construction is completed notlater than December 31 in the year 3 years after the accident or act of Godoccurred, the replacement construction's taxable value is equal to the taxablevalue of the property in the year immediately preceding the year in which theproperty was damaged or destroyed, adjusted annually as provided in section27a(2). Any construction materials required to bring the property intocompliance with any applicable health, sanitary, zoning, safety, fire, orconstruction codes or ordinances must be considered to be substantially thesame materials by the state tax commission for the sake of replacementconstruction under this section.(vi) An increase in taxable valueattributable to the complete or partial remediation of environmentalcontamination existing on the immediately preceding tax day. The department ofenvironment, Great Lakes, and energy shall determine the degree of remediationbased on information available in existing department of environment, GreatLakes, and energy records or information made available to the department ofenvironment, Great Lakes, and energy if the appropriate assessing officer for alocal tax collecting unit requests that determination. The increase in taxablevalue attributable to the remediation is the increase in true cash valueattributable to the remediation multiplied by a fraction, the numerator ofwhich is the taxable value of the property had it not been contaminated and thedenominator of which is the true cash value of the property had it not beencontaminated.(vii) Public services. As used in thissubparagraph, "public services" means water service, sewer service, aprimary access road, natural gas service, electrical service, telephoneservice, sidewalks, or street lighting. For purposes of determining the taxablevalue of real property under section 27a, the value of public services is theamount of increase in true cash value of the property attributable to theavailable public services multiplied by 0.50, and must be added in the calendaryear following the calendar year when those public services are initiallyavailable.(viii) For taxes levied after 2026,for the purpose of the calculation of themillage reduction fraction under subsection (7) only, increased taxable valueunder section 27a(3) after a transfer of ownership of property.(c) For taxeslevied after 1994, additions do not include increased value attributable to any either of thefollowing:(i) Platting, splits, or combinations ofproperty.(ii) A change in the zoning of property.(iii) For the purposes of the calculation ofthe millage reduction fraction under subsection (7) only, increased taxablevalue under section 27a(3) after a transfer of ownership of property.(d) "Assessedvaluation of property as finally equalized" means taxable value undersection 27a.(e) "Financialofficer" means the officer responsible for preparing the budget of a unitof local government.(f) "Generalprice level" means the annual average of the 12 monthly values for theUnited States Consumer Price Index for all urban consumers as defined andofficially reported by the United States Department of Labor, Bureau of LaborStatistics.(g) For taxeslevied before 1995, "losses" means a decrease in value caused by theremoval or destruction of real or personal property and the value of propertytaxed in the immediately preceding year that has been exempted or removed fromthe assessment unit's assessment roll.(h) For taxeslevied after 1994, "losses" means, except as provided in subdivision(i), all of the following:(i) Property that has been destroyed orremoved. For purposes of determining the taxable value of property undersection 27a, the value of property destroyed or removed is the product of thetrue cash value of that property multiplied by a fraction, the numerator ofwhich is the taxable value of that property in the immediately preceding yearand the denominator of which is the true cash value of that property in theimmediately preceding year.(ii) Property that was subject to ad valoremtaxation under this act in the immediately preceding year that is now exemptfrom ad valorem taxation under this act. For purposes of determining thetaxable value of property under section 27a, the value of property exemptedfrom ad valorem taxation under this act is the amount exempted.(iii) Before December 31, 2013, an adjustmentin value, if any, because of a decrease in the property's occupancy rate, tothe extent provided by law. For purposes of determining the taxable value ofreal property under section 27a, the value of a loss for a decrease in theproperty's occupancy rate is the product of the decrease in the true cash valueof the property attributable to the decreased occupancy rate multiplied by afraction, the numerator of which is the taxable value of the property in theimmediately preceding year and the denominator of which is the true cash valueof the property in the immediately preceding year.(iv) A decrease in taxable value attributableto environmental contamination existing on the immediately preceding tax day.The department of environment, Great Lakes, and energy shall determine thedegree to which environmental contamination limits the use of property based oninformation available in existing department of environment, Great Lakes, andenergy records or information made available to the department of environment,Great Lakes, and energy if the appropriate assessing officer for a local taxcollecting unit requests that determination. The department of environment,Great Lakes, and energy's determination of the degree to which environmentalcontamination limits the use of property must be based on the criteriaestablished for the categories set forth in section 20120a(1) of the naturalresources and environmental protection act, 1994 PA 451, MCL 324.20120a. Thedecrease in taxable value attributable to the contamination is the decrease intrue cash value attributable to the contamination multiplied by a fraction, thenumerator of which is the taxable value of the property had it not beencontaminated and the denominator of which is the true cash value of theproperty had it not been contaminated.(i) For taxeslevied after 1994, losses do not include decreased value attributable to eitherof the following:(i) Platting, splits, or combinations ofproperty.(ii) A change in the zoning of property.(j) "Newconstruction and improvements" means additions less losses.(k) "Currentyear" means the year for which the millage limitation is being calculated.(l) "Inflation rate" means theratio of the general price level for the state fiscal year ending in thecalendar year immediately preceding the current year divided by the generalprice level for the state fiscal year ending in the calendar year before theyear immediately preceding the current year.(2) On or beforethe first Monday in May of each year, the assessing officer of each township orcity shall tabulate the tentative taxable value as approved by the local boardof review and as modified by county equalization for each classification of propertythat is separately equalized for each unit of local government and provide thetabulated tentative taxable values to the county equalization director. Thetabulation by the assessing officer must contain additions and losses for eachclassification of property that is separately equalized for each unit of localgovernment or part of a unit of local government in the township or city. If asa result of state equalization the taxable value of property changes, theassessing officer of each township or city shall revise the calculationsrequired by this subsection on or before the Friday following the fourth Mondayin May. The county equalization director shall compute these amounts and thecurrent and immediately preceding year's taxable values for each classificationof property that is separately equalized for each unit of local government thatlevies taxes under this act within the boundary of the county. The countyequalization director shall cooperate with equalization directors ofneighboring counties, as necessary, to make the computation for units of localgovernment located in more than 1 county. The county equalization directorshall calculate the millage reduction fraction for each unit of localgovernment in the county for the current year. The financial officer for eachtaxing jurisdiction shall calculate the compounded millage reduction fractionsbeginning in 1980 resulting from the multiplication of successive millagereduction fractions and shall recognize a local voter action to increase thecompounded millage reduction fraction to a maximum of 1 as a new beginningfraction. Upon request of the superintendent of the intermediate schooldistrict, the county equalization director shall transmit the completecomputations of the taxable values to the superintendent of the intermediateschool district within that county. At the request of the presidents ofcommunity colleges, the county equalization director shall transmit thecomplete computations of the taxable values to the presidents of communitycolleges within the county.(3) On or beforethe first Monday in June of each year, the county equalization director shalldeliver the statement of the computations signed by the county equalizationdirector to the county treasurer.(4) On or beforethe second Monday in June of each year, the treasurer of each county shallcertify the immediately preceding year's taxable values, the current year'staxable values, the amount of additions and losses for the current year, andthe current year's millage reduction fraction for each unit of local governmentthat levies a property tax in the county.(5) The financialofficer of each unit of local government shall make the computation of the taxrate using the data certified by the county treasurer and the state taxcommission. At the annual session in October, or, for a county or local taxcollecting unit that approves under section 44a(2) the accelerated collectionin a summer property tax levy of a millage that had been previously billed andcollected as in a preceding tax year as part of the winter property tax levy,before a special meeting held before the annual levy on July 1, the countyboard of commissioners shall not authorize the levy of a tax unless thegoverning body of the taxing jurisdiction has certified that the requestedmillage has been reduced, if necessary, in compliance with section 31 ofarticle IX of the state constitution of 1963.(6) The number ofmills permitted to be levied in a tax year is limited as provided in thissection pursuant to section 31 of article IX of the state constitution of 1963.A unit of local government shall not levy a tax rate greater than the ratedetermined by reducing its maximum rate or rates authorized by law or charterby a millage reduction fraction as provided in this section without voterapproval.(7) A millagereduction fraction must be determined for each year for each local unit ofgovernment. For ad valorem property taxes that became a lien before January 1,1983, the numerator of the fraction is the total state equalized valuation forthe immediately preceding year multiplied by the inflation rate and thedenominator of the fraction is the total state equalized valuation for thecurrent year minus new construction and improvements. For ad valorem propertytaxes that become a lien after December 31, 1982 and through December 31, 1994,the numerator of the fraction is the product of the difference between thetotal state equalized valuation for the immediately preceding year minus lossesmultiplied by the inflation rate and the denominator of the fraction is thetotal state equalized valuation for the current year minus additions. For advalorem property taxes that are levied after December 31, 1994, the numeratorof the fraction is the product of the difference between the total taxablevalue for the immediately preceding year minus losses multiplied by theinflation rate and the denominator of the fraction is the total taxable valuefor the current year minus additions. For each yearafter 1993, a millage reduction fraction must not exceed 1.(8) The compoundedmillage reduction fraction must be calculated by multiplying the local unit'sprevious year's compounded millage reduction fraction by the current year'smillage reduction fraction. The compounded millage reduction fraction for theyear must be multiplied by the maximum millage rate authorized by law orcharter for the unit of local government for the year, except as provided bysubsection (9). A compounded millage reduction fraction must not exceed 1.(9) The millagereduction must be determined separately for authorized millage approved by thevoters. The limitation on millage authorized by the voters on or before April30 of a year must be calculated beginning with the millage reduction fractionfor that year. Millage authorized by the voters after April 30 is not subjectto a millage reduction until the year following the voter authorization whichmust be calculated beginning with the millage reduction fraction for the yearfollowing the authorization. The first millage reduction fraction used incalculating the limitation on millage approved by the voters after January 1,1979 must not exceed 1.(10) A millagereduction fraction must be applied separately to the aggregate maximum millagerate authorized by a charter and to each maximum millage rate authorized bystate law for a specific purpose.(11) A unit oflocal government may submit to the voters for their approval the levy in that year of a tax rate in excess of the limitset by this section. The ballot question must ask the voters to approve thelevy of a specific number of mills in excess of the limit. The provisions ofthis section do not allow the levy of a millage rate in excess of the maximumrate authorized by law or charter. If the authorization to levy millage expiresafter 1993 and a local governmental unit is asking voters to renew theauthorization to levy the millage, the ballot question must ask for renewedauthorization for the number of expiring mills as reduced by the millagereduction required by this section. If the election occurs before June 1 of ayear, the millage reduction is based on the immediately preceding year'smillage reduction applicable to that millage. If the election occurs after May31 of a year, the millage reduction must be based on that year's millagereduction applicable to that millage had it not expired.(12) A reduction orlimitation under this section must not be applied to taxes imposed for thepayment of principal and interest on bonds or other evidence of indebtedness orfor the payment of assessments or contract obligations in anticipation of whichbonds are issued that were authorized before December 23, 1978, as provided bysection 4 of chapter I of former 1943 PA 202, or to taxes imposed for thepayment of principal and interest on bonds or other evidence of indebtedness orfor the payment of assessments or contract obligations in anticipation of whichbonds are issued that are approved by the voters after December 22, 1978.(13) If it isdetermined after the levy of a tax that an incorrect millage reduction fractionhas been applied, the amount of additional tax revenue or the shortage of taxrevenue must be deducted from or added to the next regular tax levy for thatunit of local government after the determination of the authorized ratepursuant to this section.(14) If as a resultof an appeal of county equalization or state equalization the taxable value ofa unit of local government changes, the millage reduction fraction for the yearmust be recalculated. The financial officer shall effectuate an addition orreduction of tax revenue in the same manner as prescribed in subsection (13).(15) The fractionscalculated pursuant to this section must be rounded to 4 decimal places, exceptthat the inflation rate must be computed by the state tax commission and mustbe rounded to 3 decimal places. The state tax commission shall publish the inflationrate before March 1 of each year.(16) Beginning with taxes levied in 1994, the millagereduction required by section 31 of article IX of the state constitution of1963 permanently reduces the maximum rate or rates authorized by law orcharter. The reduced maximum authorized rate or rates for 1994 must equal theproduct of the maximum rate or rates authorized by law or charter beforeapplication of this section multiplied by the compounded millage reductionapplicable to that millage in 1994 pursuant to subsections (8) to (12). Thereduced maximum authorized rate or rates for 1995 and each year after 1995 mustequal the product of the immediately preceding year's reduced maximumauthorized rate or rates multiplied by the current year's millage reductionfraction and must be adjusted for millage for which authorization has expiredand new authorized millage approved by the voters pursuant to subsections (8)to (12).Enacting section 1. This amendatory act takes effect180 days after the date it is enacted into law.Enactingsection 2. This amendatory act does not take effect unless House Bill No. 5996(request no. H05514'25) of the 103rd Legislature is enacted into law.
Property tax: Headlee; calculation of Headlee rollback; modify. Amends sec. 34d of 1893 PA 206 (MCL 211.34d). TIE BAR WITH: HB 5996'26
Sponsors
Rep. Regina Weiss (D) sponsors HB 6005, and 2 members have co-sponsored it.
Committees
HB 6005 went before 1 committee: Government Operations.
History
HB 6005 has taken 4 actions since May 20, 2026, the latest on May 21, 2026.
| Chamber | Action | |||
|---|---|---|---|---|
May 21, 2026 | House | Bill Electronically Reproduced 05/20/2026 | ||
May 20, 2026 | House | Introduced By Representative Rep. Regina Weiss | ||
May 20, 2026 | House | Read A First Time | ||
May 20, 2026 | House | Referred To Committee On Government Operations |
Votes
HB 6005 has not gone to a roll call.
Source: legislature.mi.gov · legiscan.com