Building Permits - Residential

If your application type is not listed, you can follow the general instructions for uploading your application to our Permit Submittal Portal here.

For general information about the plan review process, click here.
Note: This page is still under construction. If you cannot find the information you are looking for, please call us at 206-275-7605 or send an email to epermit.tech@mercerisland.gov.

Residential Building Submittal Forms

Residential Building Permits

Residential building permits cover projects involving one- and two-family dwellings.

Docks Residential Docks and alterations

The Mercer Island Community Planning and Development Department’s Building team has the following guidelines and expectations for permit applications for residential dock repairs, alterations, and new construction.

Decks

Basic Decks (decks not located in geologically hazardous areas, or within critical area buffers) may qualify as simple projects.
If not a simple deck they will be routed normally.

Minor Repairs / Minor Projects

Projects limited in scope and impact such as but not limited to: Skylights or Simple Window / Door sizing changes Minor Repairs

Interior Remodel – Non Structural

Scope of work limited to the interior not affecting the structure of a building. Bathroom remodels, kitchen remodels (without removal of barring walls).

Interior Remodel - Structural

Scope of work limited to the interior affecting the structure of a building. I.e. Beams, posts, or lateral resistance.

Addition - Less than 500 Square Feet

If your project meets the criteria, an Intake Screening may not be required.

Addition - 500 Square Feet or More

Considered a Substantial Residential Project: May require an Intake Screening prior to review.

New Single Family Residence

New proposed or demo and rebuild structures.

Re-Roof Permits - Single Family Residential

Re-roof permits for single family residential structures are required when sheathing is replaced or when the type of roofing material is changed.

Building Permits - Residential

Residential Building Permits

Contact Information