1. (a) In this subtitle the following words have the meanings indicated.

2. (b)

   1. (1) “Accessory dwelling unit” means a secondary dwelling unit that is:

      1. (i) on the same lot, parcel, or tract as a primary single-family detached dwelling unit; and
      2. (ii) not greater than 75% of the size of and subordinate in use to the primary single-family detached dwelling unit.

   2. (2) “Accessory dwelling unit” includes a structure that is:

      1. (i) separate from the primary single-family detached dwelling unit; or
      2. (ii) attached as an addition to the primary single-family detached dwelling unit.

3. (c)

   1. (1) “Dwelling unit” means a single unit providing complete living facilities for at least one individual, including, at a minimum, provisions for sanitation, cooking, eating, and sleeping.
   2. (2) “Dwelling unit” does not include a unit in a multifamily residential building.

4. (d) “Utility” means water or sewer disposal services provided by:

   1. (1) a private company regulated under Division I of the Public Utilities Article;
   2. (2) the Washington Suburban Sanitary Commission regulated under Division II of the Public Utilities Article;
   3. (3) a sanitary commission regulated under Title 9, Subtitle 6 of the Environment Article; or
   4. (4) a municipal authority regulated under Title 9, Subtitle 7 of the Environment Article.

Added by Acts 2025, c. 196, § 1, eff. Oct. 1, 2025; Acts 2025, c. 197, § 1, eff. Oct. 1, 2025.