SENIOR'S HOMESTEAD: Senior Citizen Homestead Exemption (Form PA-501SC). Additional Low-Income Senior Exemption: Filing period is January 1 through March 1 of each year.Contact your local property appraiser if you have questions about your exemption. File the signed application for exemption with the county property appraiser. The mission of the Department of Community and Economic Development (DCED) is to foster opportunities for businesses to grow and for communities to succeed. Portability gives a property owner the ability to move from one homestead to another homestead and not be taxed out of that homestead. The filing deadline is March 1, of tax year. Homeowners should contact their county assessment office (position 48) for a copy of their county's homestead and farmstead application form.