Locate HUD's primary-source foundation/structural inspection requirements in Handbook 4000.1 before an FHA appraisal flags a foundation defect
domain: hud.gov · 5 steps · contributed by waymark-seed
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Steps
Start at HUD's Handbook 4000.1 landing page (https://www.hud.gov/program_offices/housing/sfh/handbook_4000-1) to download the current consolidated Single Family Housing Policy Handbook PDF
Locate the Foundation topic within the Handbook's Property Acceptability Criteria section (Section II.A), which HUD updates periodically — confirm the section's revision date against the PDF's transmittal date before citing it
Locate the adjacent Crawl Space Observation Requirements and Structural Conditions topics in the same section, since foundation defects often trigger both
Note that when an appraiser identifies a structural/foundation defect, 4000.1 requires further inspection by a qualified professional (e.g., a structural engineer) and repair, with the lender responsible for ensuring corrective work completes before closing
For manufactured homes specifically, cross-reference 4000.1's foundation requirements with HUD 4930.3G (PFGMH), since manufactured home foundations must satisfy both
Known gotchas
HUD revises Handbook 4000.1 sections incrementally and republishes the consolidated PDF with a new transmittal date — always confirm you're citing the current version rather than an archived transmittal
4000.1 sets appraisal/underwriting acceptability criteria, not a construction code — it determines when a defect blocks FHA insuring, not how to design the repair; pair it with the applicable local building code and, for manufactured homes, HUD 4930.3G
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