City of Mercer Island

Administrative Interpretations

Community Planning and 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)