EDINBURG – The Hidalgo County Tax Office located in the City of Mission will be closed until further notice. The office is currently without power and will reopen once power is restored. Please visit our website for a complete list of Tax Office Locations and office hours. Residents are encouraged to use the alternative payments methods that are available to the public. To renew vehicle registration online and receive your registration sticker by mail, please visit www.texas.gov. Property tax payments can be made online via e-check and credit cards on our website at www.hidalgocountytax.org. Tax payments and renewals can be dropped ...