18.275.020 Application of design standards.
(a) Except for properties listed on local, State, or national historic registries, nonresidential design standards in TMC 18.275.050 apply to the following:
(1) New construction or an alteration to an existing structure which increases or decreases the gross floor area of the structure by more than 50 percent.
(2) Any project requiring a building permit for a remodel of at least 50 percent of the front and/or street-facing facades.
(3) Institutional uses in any zoning district and all developments constructed under the provisions of a conditional use permit, in any zoning district.
(4) Any construction within the O&I-1, O&I-2, O&I-3, C-1, C-2, C-3, C-4, MS-1, I-1, I-2, X-1, X-2, X-3, D-1, D-2, D-3, U-1, and all planned unit development districts for the above-listed use groups.
(5) Accessory buildings that meet the following conditions:
(i) One thousand square feet or larger;
(ii) Visible from the street; and
(iii) Require a building permit.
(b) Type A building design standards in TMC 18.275.050 apply to O&I-1, O&I-2, O&I-3, C-1, C-2, X-3, D-1, D-2, D-3 and all planned unit development districts for the above-listed use groups, and all developments constructed under the provisions of a conditional use permit in any of these districts. Buildings in “D” districts shall also comply with the design guidelines in TMC 18.200.090.
(c) Type B building design standards in TMC 18.275.050 apply to C-3, C-4, U-1, MS-1, X-1, all planned unit development districts for the above-listed use groups, and all developments constructed under the provisions of a conditional use permit in any of these districts. Type B design standards in TMC 18.275.050 shall apply to institutional uses in any zoning district.
(d) Type C building design standards in TMC 18.275.050 apply to I-1, I-2, X-2, and all planned unit development districts for the above-listed use groups, and all developments constructed under the provisions of a conditional use permit in any of these districts.
(e) Nonresidential design standards shall apply only to those portions of a building that is undergoing expansion or alteration. (Ord. 20165 § 2, 1-8-19.)