On Monday, the City of Austin filed suit against the Texas Comptroller's Office over the state's ad-valorem tax system.

On Monday, the City of Austin filed suit against the Texas Comptroller’s Office over the state’s ad-valorem tax system.

The end of sales price non-disclosure might be near, if the suit filed by the City of Austin against the Texas comptroller’s office is any indication. Austin Mayor Steve Adler, who submitted the 10-page suit on Monday, argued that the ad-valorem taxation system is unconstitutional because it isn’t “equal and uniform.”

Texas is one of the few states that, instead of relying for sales figures for tax purposes, employs an appraisal system. However, with skyrocketing values for residential properties in Travis County, commercial valuations haven’t grown nearly so much. It’s becoming a big problem, the suit suggests.

“The lack of sales disclosures has made it nearly impossible for appraisal districts to comply with their statutory and constitutional duty to assess all properties at market value so that taxation is equal and uniform,” the lawsuit states.

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