US HB7792

Amends the National Housing Act to explicitly allow FHA-insured property improvement loans to be used for construction of accessory dwelling units (ADUs)

Increases loan limits for single-family home alterations and repairs from current levels to $75,000, and raises multi-family improvement loan limits to $150,000 total or $37,500 per unit

Sets new manufactured home purchase loan limits at $106,405 for single-section homes and $195,322 for multi-section homes; combined home-and-lot loans capped at $149,782 and $238,699 respectively

Requires HUD to develop annual indexing methods for loan limits within one year of enactment and extends maximum loan terms to 30 years as determined by the Secretary

Directs HUD to conduct a study on the cost effectiveness of off-site construction housing (manufactured and modular homes), including comparisons to site-built homes over 40 years and potential applications in multifamily housing