MD HB1236

Expands exemptions from Maryland's prohibition on unreasonable restrictions against accessory dwelling units (ADUs) to include properties located within locally-designated historic districts, in addition to properties already listed or eligible for the Maryland Register of Historic Properties

Allows homeowners associations, deed covenants, and other property restrictions to continue limiting ADU development in historic districts designated by local jurisdictions under Land Use Article § 8-105

Defines accessory dwelling units as secondary dwellings on the same lot as a primary single-family detached home, not exceeding 75% of the primary dwelling's size, either attached or detached

Takes effect October 1, 2026