Home > Personal > Personal Lending > Mortgage > Mortgage Resources > Glossary > Backfill Backfill November 9, 2021 The replacement of excavated dirt into a hole, crevice or against a structure such as a foundation.You Might Also Like: Living QuartersFirst-Time Homebuyer’s Playbook: 4 Steps to a Successful Offer Everyday MoneyBank Holidays: Understanding Their Impact on Deposits and Transactions Living QuartersMortgage Lending for Veterans at Bank Five Nine All Things CommunityReviewing Random Acts of Kindness 2023 Everyday MoneyWhat are ACH Payments and How Do They Work?