Speak with your real bestate/b agent and prepare them for post-poning the closing. That way, everyone knows what's going on and it doesn't come down to the last minute?and don't work with this mortgage broker again. ... blenderma/b. Posted 2010/ 01/04 at 1:23 pm | Permalink. My average loan closing from applicaton to close is around 12 days or less on purchases (sometimes longer in busy states like California). Sometimes the lender will need extra documentation on something that ...