Off-site highway sign: a sign located along, and oriented to, SR-9 and/or US-2 for the purpose of identifying, and providing travel information to, one (1) or more Snohomish businesses not otherwise visible from the highway(s).

Off-site sign: a sign advertising, identifying, or relating to an establishment, merchandise, service, or entertainment which is not sold, produced, manufactured, or furnished at the property on which such sign is located, e.g., billboards.

Off-site street or street improvement: an improvement to an existing or proposed City street, which is required or recommended in accordance with this title in order to improve the capacity of the street system to mitigate the impact of a development.

Off-street parking: parking that is not in a public right-of-way.

Office: a place of business where commercial, professional, or bureaucratic work is performed. An office is limited to the building or portion thereof where such activities are performed, as well as associated parking for employees, patrons, and company vehicles. Retail activities and personal services cannot take place in an office.

Open parking: in the Pilchuck District only, a parking area not fully enclosed within a building and visible from adjacent streets or properties.

Open porch: a roofed space, open along two (2) or more sides, and adjunct to a residential building, commonly serving to shelter an entrance and provide a private outdoor space.

Open space: the area of a lot or development site not covered by structures, streets, driveways, parking and loading spaces, or storage yards.

Ordinary high water mark: as defined in Chapter 90.58 RCW, as now or hereafter amended, and determined in the field, means on all lakes, streams, and tidal water the mark that will be found by examining the bed and banks and ascertaining where the presence and action of waters are so common and usual, and so long continued in all ordinary years, as to mark upon the soil a character distinct from that of the abutting upland, in respect to vegetation as that condition exists on June 1, 1971, as it may naturally change thereafter, or as it may change thereafter in accordance with permits issued by a local government or the Department; provided, that in any area where the ordinary high water mark cannot be found, the ordinary high water mark adjoining salt water shall be the line of mean higher high tide and the ordinary high water mark adjoining freshwater shall be the line of mean high water. In cases where the location of the ordinary high water mark is contested, its determination shall rest with the Washington State Department of Ecology.

Out-of-kind mitigation: replacement of wetlands with wetlands whose characteristics do not closely approximate those being damaged or degraded.

Outbuilding: an accessory structure on the same lot as, and usually located toward the rear of, a principal building.

Outdoor advertising service: sales, design, and fabrication of signage and other outdoor promotions for a business or product. (Ord. 2401, 2020; Ord. 2434, 2022)