Congrats on your purchase of the co-op, assuming it is for the main residence.
In general, you should be able to deduct mortgage interest and property tax of your share of ownership of the co-op.
Please also refer to the following:
Page 9 of IRS Pub 936 Home Mortgage Interest Deduction
Under the section "Special Rule for Tenant-Stockholders in Cooperative Housing Corporations"
Hope this helps. Thank you.
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