Gallagher Amendment
The Gallagher Amendment was an amendment to the Colorado Constitution enacted in 1982 concerning property tax. It set forth the guidelines in the Colorado Constitution for determining the "actual value of property" and the "valuation for assessment" of such property. The Gallagher Amendment was a legislative referendum drafted by Dennis J. Gallagher, then a state legislator. It was repealed in 2020. Summary. The Gallagher Amendment made many significant changes to property taxes in Colorado: The Gallagher Amendment had other effects as well, including mechanisms for enforcing the provisions described above. Ballot title. Shall Sections 3 and 15 of  Article X of the Colorado Constitution be amended in the following manner: Election results. Passed by 551,334 votes (65.5%) to 290,590 votes (34.5%). Repeal effort. In 2020, due to state budget shortfalls, state legislators approved a ballot initiative to repeal the Gallagher Amendment. The changes in property tax rates the repeal would allow for greater funding of schools. The repeal was successful.