A. Structures in any zoning district which abut certain arterial and collector streets shall be set back a minimum distance from the centerline of the right-of-way.

B. Where the street is not improved, the measurement shall be made at right angles from the centerline or general extension of the street right-of-way. The required setback distance for buildings on the following collector streets is the setback distance required by the zoning district plus twenty-eight feet measured from the centerline of the right-of-way.

Columbia Avenue from West Lane to Columbia River Hwy

Elm Street (east from 3rd street)

E.M. Watts Road

East Fourth Street

J.P. West

West First Street

Dutch Canyon Road

C. The minimum yard requirement shall be increased in the event a yard abuts a street having a right-of-way width less than required by its functional classification in the city's transportation plan and, in such case, the setback shall be not less than the setback required by the zone plus one-half of the projected road width as shown in the transportation plan.

D. In addition to the standards for access and egress included in the public works design standards, and due to the potential traffic hazards along Highway 30, the planning commission may require single access ways, frontage roads, joint parking or additional setbacks for lots that the commission determines are strategically important for reducing potential hazards. (Ord. 634 § 1 Exh. A, 1995)

A. When two lots are under single ownership and only one principal building will be constructed on the two lots, the owner may build across the lot lines without going through the variance or property line adjustment procedures.

B. When a legal lot of record created prior to 4/4/83 (the date of adoption of Ordinance 466) is located in a residential zone and does not meet the minimum square footage of the zone, a single-family detached residence shall be allowed to be constructed on the lot, subject to approval by the planner. All other requirements of this title shall be met. When such lots are located in a zone other than residential and fail to meet the minimum standards of the zone, the lot may occupied by a use permitted in the zone subject to all other requirements of the zone and this title. (Ord. 795 § 1, 2008; Ord. 634 § 1 Exh. A, 1995)

A. If there are dwellings on both abutting lots with yard depths less than the required depth for the zone, the depth of the yard for the intervening lot need not exceed the average depth of the yards of the abutting lots.

B. If there is a dwelling on one abutting lot with a yard of less depth than the required depth for the zone, the yard for the lot need not exceed a depth one-half way between the depth of the abutting lot and the required yard depth. (Ord. 634 § 1 Exh. A, 1995)

A. Cornices, eaves, belt courses, sills, canopies or similar architectural features may extend or project into a required yard not more than thirty-six inches provided the width of such yard is not reduced to less than three feet.

B. Fireplace chimneys may project into a required yard not more than three feet provided the width or such yard is not reduced to less than three feet.

C. Open porches or decks not more than thirty inches in height may extend or project into a required rear or side yard provided such natural yard area is not reduced to less than five feet. Open porches or decks not covered by a roof or canopy may extend into a required front yard not more than five feet. (Ord. 828, 2013; Ord. 634 § 1 Exh. A, 1995)

A. The lot area for a flag lot shall comply with the lot area requirements of the applicable zoning district.

B. The lot area shall be provided entirely within the building site area exclusive of any accessway (see figure following).