oh, u/1ll1l1ll1l1l1l1l1ll1, look it's on the FAQ for the county, so they must get asked this question al ot--

My neighbor has moved out and uses his former home as a rental property. It still has a Homestead Exclusion on it. Is that legal?

No, the owner must use the property as his/her primary residence to qualify for the Homestead Exclusion. We can research that information for you.

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https://www.alleghenycounty.us/real-estate/abatements-exemptions/act-50/act-50-faqs.aspx