Yes. The IRC §121 exclusion applies to any property that qualifies as your principal residence, including co-op apartments. Co-op shares represent your ownership interest in a housing cooperative, and the IRS treats them as qualifying property for the exclusion. You must meet the same two-of-five-year ownership and use requirements that apply to condos or houses.
From the seller playbook: IRC §121 Primary Residence Exclusion
This is general information, not legal, tax or accounting advice. Every situation is different. Talk to a licensed attorney, accountant or tax professional before you act.
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