Cook County, IL · Cook County
Plumbing Permit Application
Registered plumbing, sewer, water, septic, well, and lawn-sprinkler contractors use this application to request a Cook County plumbing permit for qualifying work.
At a glance
- Issued by
- City of Cook County · Cook County, Cook County, Illinois
- Notarization
- Not required: file this form without a notary.
- Official source
- cookcountyil.gov
- Blank form
- Download the PDF
- Catalogued
- Machine-readable
- JSON record · about the forms index
What this form is
The application is for plumbing, sewer, water, septic, well, lawn-sprinkler, and gas-installer trades. A registered contractor may apply directly only when working for the owner as the sole contractor; jobs involving a general contractor or multiple trades use a full permit application instead. It requests installation and owner details, contractor registration and contact information, work description, estimated cost, and permit-related numbers.
Who needs it
A registered contractor working directly for the property owner as the sole contractor may use this application for qualifying work.
How to submit it
Apply to the Plumbing Department by email, fax, or in person at the County Administration Building, 69 W. Washington, Suite 2830, Chicago, IL 60602-3169.
About notarization
This application is signed and dated without a notary; the required contractor letter of intent and owner’s contract-award letter are signed, not identified as notarized or sworn.
How to submit this form
- 1
Download the Application
Download the Cook County Plumbing Permit Application PDF.
- 2
Complete the Application
Print in black ink and provide the installation, owner, contractor, work description, and estimated job cost details.
- 3
Gather Required Attachments
Include the contractor’s letter of intent and the owner’s contract-award letter; check the requirements for your trade for any additional documents.
- 4
Submit to the Plumbing Department
Apply by email, fax, or in person at the County Administration Building address listed on the form.
Frequently asked questions
- Who can use the Cook County Plumbing Permit Application?
- The application covers plumbing, sewer, water, septic, well, lawn-sprinkler, and gas-installer trades. A registered contractor may apply directly only when working for the owner as the sole contractor.
- What documents must accompany the application?
- The application says to include the contractor’s letter of intent and the owner’s letter awarding the contract. Additional items vary by trade; septic applications also require a private sewerage disposal system bond, a $2 recording fee, and sewage disposal approval number.
- How do I submit the Plumbing Permit Application?
- Apply to the Plumbing Department by email, fax, or in person at the County Administration Building, 69 W. Washington, Suite 2830, Chicago, IL 60602-3169.
- Do I need a notary for the Plumbing Permit Application?
- No. This application is signed and dated without a notary. Its listed contractor letter of intent and owner’s contract-award letter are signed, but the document does not say they must be notarized or sworn.