Mercer Island, WA · King County
Lot Line Revision
Mercer Island property owners or their agents use this application to request boundary adjustments between existing lots or consolidate lots by removing shared boundaries.
What this form is
This application requests a lot line revision, which adjusts boundaries between existing lots without creating additional lots or making a lot fail minimum development code requirements. Use it to request a boundary adjustment or consolidate lots by removing shared lot lines. The submittal checklist identifies the application materials, including a project narrative, code compliance matrix, development plan set, and applicable supporting documents.
Who needs it
Property owners or their agents seeking to adjust boundaries between existing lots or consolidate lots on Mercer Island need this application.
How to submit it
Submit the application to Community Planning & Development, 9611 SE 36th Street, Mercer Island, WA 98040. The checklist requires payment of applicable fees and refers applicants to the City fee schedule for current permit fees.
About notarization
This application is signed and dated without a notary; required Affidavits of Ownership and Agent Authority must be signed before a notary unless waived by the code official.
How to submit this form
- 1
Download The Application
Download the Lot Line Revision application and review its submittal checklist.
- 2
Complete And Sign
Complete the application and sign and date the certification.
- 3
Gather Required Materials
Prepare the checklist materials, such as a project narrative, code compliance matrix, title report, and development plan set, as applicable.
- 4
Submit To The City
Submit the application and required materials to Community Planning & Development at the address on the form, with applicable fees.
Frequently asked questions
- Do I need a notary for the Lot Line Revision application?
- No. The application itself is signed and dated without a notary. Required Affidavits of Ownership and Agent Authority must be signed before a notary unless waived by the code official.
- Who can apply for a lot line revision?
- Property owners or their agents can use the application to request boundary adjustments between existing lots or consolidate lots by removing shared lot lines.
- How do I submit the Lot Line Revision application?
- Submit it to Community Planning & Development at 9611 SE 36th Street, Mercer Island, WA 98040. Include the applicable materials and fees listed in the checklist.
Need something notarized?
This Lot Line Revision doesn’t need a notary — but if you have another Mercer Island form that does, a commissioned online notary can help.