10 10 80 Mortgage Better step three Number step one. 80-10-10 Mortgage Definition Investopedia An enthusiastic 80-10-10 home loan are that loan where very first and you may 2nd mortgage loans are gotten concurrently. The initial mortgage lien is removed with a keen 80% loan-to-worth (1) … A beneficial piggyback loan, often referred to as an 80-10-ten mortgage, lets you pick property which have a couple of mortgages that full 90% of cost and you can good ten% off (2)…