Pay property taxes on time. Property Tax Statements are mailed out in October, and are due upon receipt.Business Personal Property Tax. Tangible business personal property is taxable in the Collin County appraisal district. Yes. State law requires that all business owners file a business personal property rendition annually. The Collin County Tax Assessor and Collector bills and collects taxes for the City of Plano. Property taxes are taxes that are assessed, collected, and used locally. The Collin County tax bill now includes Collin County, City of Frisco, Frisco ISD and Collin County Community College district taxes. See states with the highest property taxes. Dallas CAD and Collin CAD must approve all exemptions according to Texas Property Tax Code.