This document is a guide detailing the One Doc, One Knock consulting service provided by IEM for disaster recovery funding applications. The service aims to streamline the application process for homeowners affected by disasters by consolidating documentation into a single release that is signed during an initial site visit. The guide outlines the steps involved in the process, including outreach, documentation preparation, and damage assessments. It explains how the service reduces homeowner disruptions, mitigates application burnout, and increases processing accuracy. The document also describes the damage assessment process, which includes preparing for inspections, quantifying repair costs, and providing detailed reports on property conditions. Additionally, it emphasizes compliance with HUD standards and the importance of environmental reviews in the assessment process. Overall, the guide serves as a comprehensive resource for understanding the One Doc, One Knock service and its benefits in facilitating disaster recovery.