Not widespread atm, current cutting edge, give it a couple of years. This is a bit of a work-around; https://thedefiant.io/engineer-becomes-his-own-lender-in-first-defi-mortgage/ Noodle through this site; https://blog.mbanc.com/ Looks like an asset utilization mortgage would be a fit.
Love that first post. This is exactly what I believe is possible, but not without a social credit score!