Can I have two mortgages at the same time?

Yes. You can hold two mortgages at the same time, and plenty of people do. The two usual reasons are buying the next home before the current one sells, so both loans overlap for a stretch, and keeping the first home as a rental instead of selling it. Nothing in the rules stops you from owing on two homes at once. What actually happens to that first loan once you move is its own question, covered in what happens to your mortgage when you buy another house. So the question here is almost never whether you are allowed. It is whether you qualify.

Here is the part that trips people up. Until something on paper takes the first home out of the picture, a lender assumes you might carry both house payments, because on paper you would be. So it adds both payments to the rest of your monthly debts and checks whether your income covers all of it with room to spare. That share of your income is the figure underwriting watches, and adding a second house payment is the single biggest thing that pushes it up. The fix is not to find more income. It is to take the old payment out of the math with documentation, which is what the next section covers.

When you will truly own both homes for a while, a lender often wants to see reserves. Reserves are simply cash you still have after closing, money sitting in checking, savings, or accounts you could reach if you needed to, once the purchase and its closing costs are paid. The logic is plain. A slow sale is the risk the lender is weighing, and reserves are the cushion that says you could cover both payments for a stretch if the first home takes longer to sell than you hoped. If you want to see how that timing and cash shake out, the buy-before-you-sell calculator is a good place to start.

One catch worth planning around: the equity in the home you are selling does not count as reserves, because it is not cash until that home actually closes. So a lender leans on the money you can document today. How much they want, and whether they want any at all, depends on the loan and on how the rest of your file looks. That is the honest theme of this whole page. Holding two mortgages is allowed, and the levers that make it work, the contract, the lease, the reserves, are each a lender's call on your specific numbers. Get pre-approved while you still own the first home, and you find out where you stand before you fall for a house you cannot line up.