Chapter 18.90
SECOND RESIDENTIAL UNITS IN RESIDENTIAL ZONES
18.90.010 Purpose.
It is the purpose of this chapter to increase the supply of affordable housing within the city and to increase the utilization of the city’s housing resources by permitting second residential units in all residential zones, subject to the provisions of this chapter. (Ord. 1372 § 5(A) (part), 2015).
18.90.020 Definition.
As used in this chapter, the term "second residential unit" means a dwelling which has independent living facilities, and that is attached or detached to the primary dwelling on any lot or parcel in any residential zone. (Ord. 1372 § 5(A) (part), 2015).
18.90.030 Areas permitted.
A second residential unit is permitted on any lot or parcel in residential zones, subject to the provisions and restrictions of this chapter. (Ord. 1372 § 5(A) (part), 2015).
18.90.040 Restrictions.
(a) Second residential units in R-1 single-family residential zone districts shall comply with the requirements of this chapter. Second residential units in R-2, R-3, or R-4 zone districts shall comply with this chapter or the development standards for that zone.
(b) Second residential units shall be permitted only on lots where zoning standards can be met, which includes but is not limited to height, lot coverage, setbacks and minimum lot size requirements. Variances from these requirements for the purpose of constructing second residential units shall not be permitted.
(c) One additional off-street parking space shall be required for a second residential unit. Said additional parking space must meet all of the parking standards and requirements applicable to site, and variances from said parking standards for the purpose of constructing a second residential unit shall not be permitted.
(d) Second residential units shall have an outside entrance separate from outside entrances serving the primary residential unit. Additional entrances to the front of the primary single-family residence for the purpose of access to the second residential unit shall be prohibited.
(e) The increased floor area of an attached second residential unit shall not exceed thirty percent of the existing living area of the primary dwelling unit.
(f) The total area of floor space for a detached second residential unit shall not exceed forty percent of the living area of the primary residential unit nor exceed one thousand two hundred square feet.
(g) Detached second residential units are allowed when the lot upon which the primary and second residential units are located is at least seven thousand square feet. (Ord. 1372 § 5(A) (part), 2015).