All of the response to your question so far are great, and they are correct. But the absolute key to everything is "Has there been any credit issues since you filed the Chap 13?" and "Did you make all of those monthly Chap 13 payments on time?"
If the answer is no to the first question and yes to the second... then you will be able to obtain home financing. And, you can get started now by obtaining a free, no obligation, prequalification http://www.peninsula-homes.com/request-assistance