Verkkostart online appeal application. If you prefer to complete a hardcopy form, you may download an appeal application from the tax forms page or you may contact us to. Verkkoif you believe that your property is incorrectly assessed, you can file an appeal with the department or the board of equalization. Appeals may also be filed for properties. Verkkolearn how to appeal your fairfax county real estate tax assessment. Before you file an appeal, it's recommended that you talk to the. Verkkoappealing property tax assessment in fairfax county • property tax appeal in fairfax county • learn how to successfully appeal a property tax assessment in f.