Protest, appeal, and grievance are state words for a formal challenge to printed assessed value. Texas and Nebraska say protest; New York says grievance.
Texas and Nebraska call a formal challenge to printed assessed value a protest, New York calls it a grievance, and many other states call it an appeal. Those are different state words for the same idea. The local label does not change what the filing is aimed at.
Is a property tax protest the same as an appeal?
For the homeowner reading a notice, yes: both names point at the printed value. The Texas Comptroller describes a protest to the appraisal review board when the owner disagrees with the appraisal district's value. IAAO groups those local panels under assessment review board, alongside boards of equalization.
Example: the same $200,000 roll figure is the target whether the envelope says protest, appeal, or grievance. That single-number illustration is an example of the shared object, not a filing calendar.
Look up if you are overpaying.
What is a property tax grievance in New York?
New York's tax department uses grievance for the municipal administrative review of an assessment. Other states stamp a property tax appeal on the same kind of request. The local word is vocabulary, not a different tax. The property tax glossary and the board of equalization page keep the panel names next to these filing names. FairAppeal handles the entire appeal on your behalf when a case goes forward, and there are no upfront costs with Fair Appeal.