Deferred maintenance is the practice of postponing maintenance activities such as repairs on both real property and personal property in order to save costs, meet budget funding levels, or realign available budget monies. The failure to perform needed repairs could lead to asset deterioration and ultimately asset impairment. Generally, a policy of continued deferred maintenance may result in higher costs, asset failure, and in some cases, health and safety implications.

A lack of normal upkeep. Deferred maintenance is an appraisal term used to note items like broken windows, missing shingles, peeling paint, broken guttering, and other property defects that have not been addressed by the owner.