City of Mercer Island

Administrative Interpretations

Community Planning & Development Administrators are sometimes required to interpret the City's development codes in order to provide clarification. Please see the following Administrative Interpretations for additional information.

Supporting Documents

22-004 Variances for Non-Residential Structures in Residential Zones (386 KB)

22-003 Additions to Legally Established Structures and Site Improvements Located in a Wetland or Watercourse Buffer (230 KB)

18-02 Repairs of Non-Conforming Moorage Facilities (1 MB)

18-01 Home Businesses in the Town Center (162 KB)

16-01 Building Pads (245 KB)

12-04 Existing Grade for Calculation of Basement Area Exclusion (27 KB)

12-02 Use of Property for Boarding Horses (3 MB)

11-01 Electric Vehicle Charging Stations (32 KB)

08-02 Private Gymnasium in a Single Family Zone (133 KB)

08-01 Impervious Surface Calculations for the PEAK Project (68 KB)

07-07 Off-Street Parking Requirements in MF Zone (25 KB)

07-02 40 Percent Exterior Wall Modification Limitation (23 KB)

07-01 Including attached garages in Basement Area Exclusion (24 KB)

06-13 Legally Separate Lots, Transfer of Property to City for Parks & Rec (23 KB)

06-11 10' Building Setback from Vehicluar Access Easement (23 KB)

06-10 Gross Floor Area Calculations Margin of Error (22 KB)

06-09 Private Access Roads - Sunset Ridge Plat (24 KB)

06-03 On-Land Airplane Storage in Residential Zones (24 KB)

06-02 Fund Raisers Allowed for Non-Residential Uses in Residential Zones (23 KB)

05-03 Dog Grooming as Permitted Use in MF-2 (69 KB)

04-04 Average Building Elevation Prior to Any Development (22 KB)

04-02 Temporary Use Permits in Town Center (32 KB)

04-01 Legally Nonconforming Policy Interpretation (34 KB)

03-01 Determination of Lot Area for Waterfront Lots (22 KB)

01-09 Allowable Use of Existing Approved Parking for Metro in Res. Zone (20 KB)

01-07 Interp. Radio Antennas different than WCF's and Dish Ant. (23 KB)

00-06 Building Occupancy Prior to Permit Final (33 KB)

00-05 Interpretation of Ancillary Uses Allowed by Right or Cond. Use (20 KB)

00-02 Short Plat Vacations (89 KB)

00-01 ADU Policy Statement & Policy Interpretation (59 KB)

99-01 Minimum Lot Size for Buildable Lots (18 KB)