Property that is not used or held for profit, that is owned by an organization the mission of which is to provide supplemental financial support to public libraries and that qualifies as a charitable organization and is recognized under section 501(c)(3) of the internal revenue code is exempt from taxation if the property is used predominantly for those purposes.
A.R.S. § 42-11130
Exemption for public library organizations
Official source: Arizona State Legislature. Reproduced from public-domain Arizona statutes; confirm against the official source for the current text. Not legal advice.