Closing Letter question
It probably depends a lot on what your contract with them says.
If there was a &quot;punch list&quot; period during which you were to report issues and they were to fix them, and that time period has passed, then it's probably time to sign and let the warranty department handle it.
If there was no such period, then I'd contact them and very nicely indicate that there are a few new issues that you've discovered that you'd like to have squared away before signing off on an otherwise fantastic house. (i.e. be really nice about it, and they're likely to keep you high on the priority list, be angry about it and they'll drag their feet.)