Exemption applications can be downloaded from here. Pay property taxes on time.Property Tax Statements are mailed out in October, and are due upon receipt. To be considered a Texas resident for tuition purposes, students must have clearly established a domicile in Texas for the 12 months preceding enrollment. Do I need to file a New York State tax return? How do I know if I am a resident of New York State for income tax purposes? Going over how to fill out your residential homestead tax exemption application for Collin County. The typical deadline for filing a Collin County homestead exemption application is between January 1 and April 30. A new resident must register their vehicle within 30 days of establishing residence or becoming gainfully employed. Our guide ensures that you're wellinformed on due dates, payment procedures, and how to capitalize on tax exemptions.