Mercer Island, WA · King County
Plumbing / Mechanical Permit Application
Property owners, contractors, or authorized agents use this application to request a Mercer Island plumbing or mechanical permit and describe the proposed work.
What this form is
Use this application to request a plumbing or mechanical permit for work at a Mercer Island property. It asks for the site address, owner and applicant contacts, contractor and license details, occupancy and work type, and a work description; page two requests quantities for plumbing fixtures or mechanical equipment. The applicant certifies the information and signs and dates the form.
Who needs it
A property owner, contractor, or authorized agent applying for a Mercer Island plumbing or mechanical permit should 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 has no notary block; the owner, contractor, or authorized agent signs and dates it, and no notarized attachment is identified.
How to submit this form
- 1
Download The Application
Download the Plumbing / Mechanical Permit Application PDF.
- 2
Complete The Applicant Details
Enter the site, owner, applicant, contractor, license, permit type, occupancy, work type, and work description details.
- 3
List Plumbing Or Mechanical Work
On page two, provide the requested quantities for applicable plumbing fixtures or mechanical equipment.
- 4
Sign And Submit
Sign and date the application, then submit it to the city department named on the form; check the city website for current contact details.
Frequently asked questions
- What does the Plumbing / Mechanical Permit Application ask for?
- It requests property, applicant, owner, and contractor details, the permit and work types, a work description, and quantities for plumbing fixtures or mechanical equipment.
- Do I need a notary for the Plumbing / Mechanical Permit Application?
- No. The form has no notary block; the owner, contractor, or authorized agent signs and dates it. It identifies no notarized attachment.
- How do I submit the Plumbing / Mechanical Permit Application?
- Submit it to the city department named on the form; check the city website for current contact details.
- When can an application expire?
- The notice says applications for which no permit is issued within 18 months shall expire.
Need something notarized?
This Plumbing / Mechanical Permit Application doesn’t need a notary — but if you have another Mercer Island form that does, a commissioned online notary can help.