Owned cooperative apartment (coop/co-op) for only part of the year

[anonymous71]

We sold our coop half way through the year but received the annual real estate tax and mortgage interest rate per share from the management company. Normally I multiply this rate by our shares to report our mortgage interest paid and real estate taxes but given we were only in the apartment 6 months of the year, does anyone know if I should take the rate x shares and then divided by 12 months to get a monthly amount and prorate it? I can’t find anything about this online. 

[ErnieS0]

Yes, prorate your real estate tax and mortgage interest for the period of time you owned your co-op. 

Real estate taxes and mortgage interest are generally divided so that you and the seller each pay taxes for the part of the property tax year you owned your residence. Your share of these taxes is fully deductible if you itemize your deductions.