Town Center | Development Standards—Density and Dimensions
utility corridor or when structures are allowed by mutual agreement in the utility corridor.
4. Corner Lots. For corner lots, setbacks from all street rights- of-way shall conform to setback and other development standards for front yards.
N. Setbacks – From alley
K. Setbacks – Specific building or use
Accessory structures and accessory dwelling units, where built on top of an existing garage, may be built to a property line abutting an alley, provided sufficient turning movement and emergency vehicle access are provided within the alley.
When a building or use is required to maintain a specific setback from a property line or other building, such setback shall apply only to the specified building or use.
O. Setbacks – Required modifications
L. Setbacks – Modifications
In addition to providing the standard street setback, a lot adjoining a half-street or designated arterial shall provide an additional width of street setback sufficient to accommodate construction of the planned half-street or arterial.
The following setback modifications are permitted:
1. When the common property line of two lots is covered by a building(s), the setbacks required by this chapter shall not apply along the common property line; and 2. When a lot is located between lots having nonconforming street setbacks, the required street setback for such lot may be the average of the two nonconforming setbacks or 60 percent of the required street setback, whichever results in the greater street setback.
P. Setbacks – Projections and structures allowed
Provided, that the required setbacks from regional utility corridors of SDC 21.07.050N. and the sight distance requirements of SDC 21.07.050T. are maintained, structures may extend into or be located in required setbacks, as follows: 1. Fireplace structures, bay or garden windows, enclosed stair landings, closets, or similar structures may project 30 inches into a street setback, provided such projections are:
M. Setbacks – From regional utility corridors
1. In subdivisions and short subdivisions, areas used as regional utility corridors shall be contained in separate tracts. 2. In other types of land development permits, easements shall be used to delineate such corridors. 3. All buildings and structures shall maintain a minimum distance of five feet from property or easement lines delineating the boundary of regional utility corridors, except for utility structures necessary to the operation of the
a. Limited to two per facade; and
b. Not wider than 10 feet;
2. Unenclosed porches and entry features may project six feet into the street setback;
3. Eaves may not project more than:
a. Twenty-four inches into a street setback;
442 | Title 21: Sammamish Development Code
Effective | January 1, 2022
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