How to figure net worth for lender?

[Allen B.]

For at least some types of commercial lending, loan balance is capped at the net worth of the buyer(s). I've looked but so far, not been able to find guidelines for how that is calculated. In particular, would a primary residence be included?

Seems like Fannie & Freddie ought to have painfully detailed specifics somewhere, but I haven't found them yet. Trying to rule out as many painful surprises as I can, in advance.

Thanks,
Allen