17.09.040

Other

• Maximum deck heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first.0.5 ft

  No attached decks, including roof decks and balconies, will be allowed that exceed six inches in height, as measured from adjacent finished grade, for second units or either unit in a two-unit development.

• Maximum driveways1 driveways

  Notwithstanding the number of units on the lot, not more than one driveway approach or other encroachment shall be allowed unless the public works director determines that more than one driveway approach or other encroachment is required for public health and safety purposes.

• Maximum floor area on large lot1,000 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.

  Second units, and both units in a two-unit development, that are constructed on a lot that is at least 20,000 square feet may be up to 1,000 square feet in floor area.

• Maximum floor area800 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.

  Notwithstanding any other development standard, a second unit, and both of the units in a two-unit development, may be up to 800 square feet in floor area.

• Maximum gradingGrading (cut & fill)Reshaping land by removing earth (cut) or adding it (fill), often capped by volume.200 cubic_yards

  For second units and two-unit developments built on sloping lots, grading shall be limited to a combined total of 200 cubic yards, provided the proposed grading is limited to notching the units into the existing slope and no additional grading is proposed to create ancillary flat surfaces around the proposed units, except as may be required for fire safety requirements or access purposes.

• Maximum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first.16 ft

  a second unit, and both of the units in a two-unit development, shall be no taller than 16 feet in height as measured from adjacent pre-construction grade and shall be one-story.

• Maximum storiesStoreysHabitable floor levels. Whether a basement or attic counts is defined by the local code.1 storiesStoreysHabitable floor levels. Whether a basement or attic counts is defined by the local code.

  shall be one-story

• Minimum front setbackSetbackThe distance a building must be held back from a lot line. if not behind primary25 ft

  If it is not legally and/or physically possible for a detached second unit to be built behind the primary residence, then it may be built in front or to the side of the primary residence subject to a minimum front setback of 25 feet.

• Required parking spaces1 spaces

  One new off-street parking space, either enclosed or open, is required for a second unit and for each unit of a two-unit development.

• Minimum separation in VHFHSZ10 ft

  Detached second units and both units of a two-unit development, if detached from one another, built within a very high fire hazard severity zone, must maintain a ten-foot separation from the primary residence or each other, as applicable.

• Minimum side and rear setbackSetbackThe distance a building must be held back from a lot line.4 ft

  In all other circumstances, second units, and both units of a two-unit development, shall be set back at least four feet from the side and rear lot lines.

• Parking exemption near transit

  no parking spaces are required for a second unit or a two-unit development if either: a. The parcel is located within one-half mile walking distance of either a high-quality transit corridor... or b. There is a car share vehicle located within one block of the parcel.