The Ways and Means Committee had a presentation from the State Department of Assessments and Taxation.
Here is the presentation ppt.
The SDAT has a very old computer system and received many paper applications from Montgomery County which led to their slow response.
In general, 3% homeowners appealed. And 40-50% appeals were successful (tax was reduced) in the past.
You don’t need an attorney during the appealing process.
Homeowner Protection Program