Who uses the Mechanical Permit Application?

A contractor or homeowner can apply. The form asks the applicant to indicate which they are and provide project, contact, and contractor or homeowner details.

How do I submit the Mechanical Permit Application?

Send it to the Lake County Building Department, 800 10th Street, Suite 110, Baldwin, MI 49304. Make checks payable to the Lake County Building Department.

Do I need to include plans?

Plans are required for building types not covered by the form’s exceptions. The form says plans must be submitted with an Application for Plan Examination and the appropriate deposit before a permit can be issued.

Lake County, MI · Lake County

No notary required

Mechanical Permit Application

Lake County property owners and contractors use this application to request a permit before starting mechanical work at a job site in the county.

At a glance

Issued by: City of Lake County · Lake County, Lake County, Michigan
Notarization: Not required: file this form without a notary.
Official source: lakecountymi.gov
Blank form: Download the PDF
Catalogued: Oct 5, 2026
Machine-readable: JSON record · about the forms index

What this form is

The application requests job-location, owner or contractor, license, insurance, and project details, including the type of work and building information for plan review. File it with the Lake County Building Department before starting mechanical work; plans and a plan examination application with the appropriate deposit are required for projects that do not meet the listed exceptions. The form also includes a fee chart and homeowner affidavit.

Who needs it

Property owners or contractors applying for a Lake County mechanical permit must complete the application before beginning mechanical work.

How to submit it

Send the application to the Lake County Building Department, 800 10th Street, Suite 110, Baldwin, MI 49304. The form says to make checks payable to the Lake County Building Department.

About notarization

This application is signed and dated without a notary; the homeowner affidavit is part of the application, and the signer just signs and dates it.

How to submit this form

1
Download the Application
Download the Lake County Mechanical Permit Application PDF.
2
Complete the Application
Provide the job location, applicant and contractor or homeowner details, project type, and requested building information.
3
Gather Required Plans
If plans are required for the project, submit them with an Application for Plan Examination and the appropriate deposit.
4
Send It to the County
Send the application to the Lake County Building Department at the address listed on the form.

Frequently asked questions

Do I need a notary for the Mechanical Permit Application?: No. The application is signed and dated without a notary. The homeowner affidavit is part of the application; the signer just signs and dates it.
Who uses the Mechanical Permit Application?: A contractor or homeowner can apply. The form asks the applicant to indicate which they are and provide project, contact, and contractor or homeowner details.
How do I submit the Mechanical Permit Application?: Send it to the Lake County Building Department, 800 10th Street, Suite 110, Baldwin, MI 49304. Make checks payable to the Lake County Building Department.
Do I need to include plans?: Plans are required for building types not covered by the form’s exceptions. The form says plans must be submitted with an Application for Plan Examination and the appropriate deposit before a permit can be issued.

Need something notarized?

This Mechanical Permit Application doesn’t need a notary, but Michigan residents can notarize other documents online with a commissioned online notary.