"If Maryland has a separate property tax deduction (unlikely) you would have to check the rules to see if the deduction applies to all property or only Maryland property."
One of Maryland's qualifying criteria for its property tax credit is that the property must be the taxpayer's principal residence.
https://dat.maryland.gov/realproperty/Pages/Homeowners'-Property-Tax-Credit-Program.aspx
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
