SUBMITTAL REQUIREMENTS: See attached
Plans accompanying the application shall include the following information.
A written narrative explaining how the proposal meets the criteria specified in HRMC
17.23.010 and the development standards of the applicable zoning district (HRMC 17.03).
Site Plan drawn to scale (e.g. 1”=20’) and depicting:
Location and dimensions of property lines, including north arrow.
Locations, dimensions and height of existing and proposed structures.
Location and identity of all utilities on the site, including stormwater facilities.
Location and dimensions of driveways and parking areas.
Percentage of the lot covered by all existing and proposed structures, driveways
and parking areas.
Locations and dimensions of all easements and nature of the easements.
Other site elements which will assist in evaluation of the proposed use.
Floor plan verifying the dimensions of the ADU.
Elevation drawings of new structures, if applicable, with building height information.
HRMC 17.01.060 - DEFINITIONS:
ACCESSORY DWELLING UNIT means a separate dwelling unit contained within or detached
from a single-family dwelling on a single lot, containing 800 square feet or less, excluding any
garage area or accessory buildings, and sharing a driveway with the primary dwelling unless from
an alley. A recreational vehicle is not and cannot be used as an accessory dwelling unit.
HRMC CHAPTER 17.23 - ACCESSORY DWELLING UNITS (ADU)
Legislative History: Ord. 1912 (2006); Ord 2026 (2016); Ord 2050 (2019)
17.23.010 General Requirements
A. An ADU may be created within, or detached from, any single-family dwelling, whether
existing or new, as a subordinate use, where permitted by this chapter in the R-1, R-2, R-3, C-
1 and C-2 Zones.
B. Only one ADU may be created per parcel or ownership accessory to a single-family
dwelling (no townhouse or duplex).
C. An application for an ADU shall be processed as a ministerial decision.
D. Only the property owner, which includes title holders and contract purchasers, may apply
for an ADU. The property owner need not occupy the primary or accessory dwelling as the
principal residence.
E. No off-street parking shall be required for an Accessory Dwelling Unit.