Chapter 19.442 - Accessory Dwelling Units (ADU)
Dimensional standards
Uses
Extracted standards
16 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Design
- MADU design elements
A MADU shall be constructed to include the following design elements: cladding and trim, windows and doors, mechanical equipment, and living area extensions as specified.
Height
- Maximum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. in RC zone20 ft
In the RC zone, the height of any detached ADU shall not exceed 20 feet and one story in height.
- Maximum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. for single-story detached ADUAccessory dwelling unit (ADU)A second, smaller home on a lot that already has one — a garage flat, basement flat or backyard cottage.20 ft
Single-story detached ADUs and MADUs shall not exceed 20 feet in height.
- Maximum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. for two-story detached ADUAccessory dwelling unit (ADU)A second, smaller home on a lot that already has one — a garage flat, basement flat or backyard cottage.30 ft
Two-story detached ADUs and ADUs constructed on the second floor of an existing accessory building, shall not exceed 30 feet in height.
Other
- Maximum floor area for attached ADUAccessory dwelling unit (ADU)A second, smaller home on a lot that already has one — a garage flat, basement flat or backyard cottage.1,200 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
The total floor area of an attached ADU, including conversion of existing floor area, shall not exceed 50 percent of the existing or proposed primary dwelling floor area or 1,200 square feet, whichever is less.
- Maximum floor area for detached ADUAccessory dwelling unit (ADU)A second, smaller home on a lot that already has one — a garage flat, basement flat or backyard cottage.1,200 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
The total floor area of any detached ADU shall not exceed 1,200 square feet.
- Fire sprinklers not required unless primary has them
Fire sprinklers shall not be required within an ADU or JADU, unless fire sprinklers are provided in the primary dwelling.
- Front and street sideSetbackThe distance a building must be held back from a lot line. setbacksSetbackThe distance a building must be held back from a lot line.
Front and street side setbacks shall be in full compliance with the underlying zone for new ADUs or MADUs.
- Impact fee exemption for ADUs under 750 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.750 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
For ADUs under 750 square feet, no City impact fees shall apply.
- JADU maximum floor area500 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
JADUs shall be no more than 500 square feet in size.
- MADU floor area range
The total floor area of any MADUs shall be between 150 square feet and 430 square feet as measured within the exterior faces of the exterior walls.
- MADU utility connection requirement
MADUs shall be connected to water, sewer and electric utilities.
- Maximum ADUs from conversion in multi-familyMultifamily dwellingA building of four or more dwelling units. Where zoning is most restrictive.25 pct
At least one ADU, but no more than 25 percent of the existing number of multi-family dwellings, shall be permitted within existing structures on lots with multi-family dwelling structures.
- Maximum new detached ADUs on multi-familyMultifamily dwellingA building of four or more dwelling units. Where zoning is most restrictive. lot8 units
No more than eight new detached ADUs shall be permitted on a lot that has an existing multi-family dwelling, not to exceed the number of existing units on the lot.
- Side and rear setbackSetbackThe distance a building must be held back from a lot line. for new one-story ADUs under 16 ft4 ft
A minimum side and rear setback of four feet shall be provided for new one-story ADUs and MADUs under 16 feet in height.
- Maximum number of dwellings on single-familySingle-family dwellingOne dwelling unit on its own lot, usually detached from its neighbours. lot4 units
The number of dwellings permitted on a lot developed with an existing or proposed single-family residence shall be limited to the primary dwelling; one attached or converted ADU; one detached, new construction ADU or MADU; and one JADU.
From the ordinance
A minimum side and rear setback of four feet shall be provided for new one-story ADUs and MADUs under 16 feet in height. For ADUs over 16 feet in height, the side and rear setback shall follow the underlying zone applicable to the primary dwelling.
Parking requirements
{
"ADU": "0 spaces",
"JADU": "0 spaces",
"MADU": "0 spaces"
}