Each county has there own requirements for submitting an appeal. Contact the tax assessor's office as well. They can inform you of where the county is going in terms of tax rates, ratios, .etc.... more
Yes you would still owe your mortgage company for the remaining amount unless you have some type of hardship. You can then speak with your mortgage company and proceed with a short sale. You would first need to speak with your mortgage company and they will let you know the paperwork they require to see if they will approve a short sale on your property. I hope that helps.
Century 21 Hearst Realty