What is the Development Application for?

Mercer Island requires it for any land use project. It records property and applicant information, describes the proposal, and identifies requested land use approvals.

Who completes this application?

The property owner or an authorized representative completes the application. The signer declares that they own the property or have the owner's authorization.

Do I need a notary for the Development Application?

No. The application calls for a signature and date, not notarization; no notarized attachment or sworn step is identified.

How do I submit the Development Application?

Submit it to the city department named on the form; check the city website for current contact details. Include the appropriate application form and supplemental materials for each requested land use application.

Mercer Island, WA · King County

No notary required

Development Application

This application is required for land use projects within Mercer Island and collects property, owner, applicant, proposal, and requested-approval information.

What this form is

Mercer Island requires a completed Development Application for any land use project in the city. Applicants provide property details, owner and representative contact information, a proposal description, and requested land use approvals. Each requested land use application also needs its appropriate application form and supplemental materials; the city points applicants to its Permit Forms webpage for the list and submittal requirements.

Who needs it

Property owners or authorized representatives submitting a land use project in Mercer Island need to complete this application.

How to submit it

Submit it to the city department named on the form; check the city website for current contact details.

About notarization

This application is signed and dated without a notary; the signer declares authority and truthfulness, and no notarized attachment or sworn step is identified.

How to submit this form

1
Download The Application
Download the Development Application PDF.
2
Complete The Application
Fill in property, owner, applicant or representative, proposal, and requested-approval information.
3
Gather Required Materials
Include the appropriate land use application form and supplemental materials for each approval requested.
4
Submit To The City
Submit the completed application and materials to the city department named on the form.

Frequently asked questions

What is the Development Application for?: Mercer Island requires it for any land use project. It records property and applicant information, describes the proposal, and identifies requested land use approvals.
Who completes this application?: The property owner or an authorized representative completes the application. The signer declares that they own the property or have the owner's authorization.
Do I need a notary for the Development Application?: No. The application calls for a signature and date, not notarization; no notarized attachment or sworn step is identified.
How do I submit the Development Application?: Submit it to the city department named on the form; check the city website for current contact details. Include the appropriate application form and supplemental materials for each requested land use application.

Need something notarized?

This Development Application doesn’t need a notary — but if you have another Mercer Island form that does, a commissioned online notary can help.