just bought 2004 honda civic how can I check if the timing belt was replaced on 2004 Honda Civic

there must be a way to inspect it.

Asked by for the 2004 Honda Civic
if your going to take the time to check it you might as well replace it to be safe
3 more answers
the top of the front cover must be removed to inspect the belt.

Can check on the back and see if the water pump was replaced , that's driven by the timing belt , and if it was replaced , odds are pretty good they did the t-belt.
Yes, the best answer is to replace it. Along with the timing belt and water pump, I would recommend that the tensioner and cam and crank seals be replaced as well. Also all the drive belts and the valve cover gasket since that has to be removed.