I have a client who is real state agent. In 2019, he purchased a house, did some remodeling and then sold it for some profit.  This house was not his main residence or second home. It was purchased solely to make some profits. Do I have to report this house on Schedule C? or Schedule D?

If he was not a real estate agent, where could I have reported this house? 

I appreciate your responses. 

Thank you,