Homestead Exclusion. If you purchased a home in 2021, now is the time to submit your application for the Homestead Bill demotion for your county. This can save you a couple bucks on your property taxes. Applications are due before March 1, 2022. This is only for homes purchased as your primary residence. If you need any help reach out to us. These exemptions are not just for Dauphin, Cumberland, or Perry counties but for all of Pa.