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Building and Renovating

 

New Ontario Building Code

The 2024 Ontario Building Code updates came into effect on January 1, 2025. 
As part of your building permit application package submitted prior to March 31, 2025, please fill out and submit the Designer Declaration of Ontario Building Code Version to building@mississippimills.ca.
If you have any questions regarding these changes, please contact the Building Department at building@mississippimills.ca or 613-256-2064 ext. 508

Welcome to the Mississippi Mills Building Department resource page. The Building Department deals with all matters that fall under the Building By-law, Building Code Act and the Ontario Building Code including new construction, Change of Use of a building or part of a building, demolition, renovation and the occupancy of buildings. 

In this section of the Mississippi Mills Building Department webpage you will find links to the Building Permit Application Form, frequently asked questions, detailed explanations and other useful information that will help you with your building project. 

For the most current Building Permit Fees, please visit the 2025 Building Fees By-law. New homes and development will require Development Charges. For a list of applicable fees, please visit Development Charges webpage.

Listed below are the main links to help guide you in your building project.  

1. Please fill out the Building Permit Application form and Schedule 1- Designer Information and email your application, along with the drawings, details, and Site Plan to building@mississippimills.ca. A list of all required documents for building permit applications can be found on the Required Documents for Permits page. 

If you are applying for a building permit and you are not the owner, you will need to submit a Letter of Authorization Form signed by the owner.

**Please note, if you wish to cancel your permit application after you've submitted it, there will be costs that cannot be refunded. Appendix C of the Building By-law 24-027 lists the Refund Percentages available.

The estimated building permit fees and zoning approval certificate fee of $100 will be due and payable when you submit your application.

    • Your application will NOT be reviewed until all estimated building and zoning fees are paid in full.
    • To determine the cost of your building permit, please view the 2025 Building Fees, or contact the Building Department. Building permit fees are subject to confirmation during the plans review process, which may result in an adjustment to the estimated building permit fees.
    • Development Charges may be applicable depending on the project, typically new buildings or new residential suits, and will be due and payable when the Building Permit is issued. Your building permit is NOT valid until your building permit and development charges have been paid in full.
    • Fees and charges can be paid by exact cash, cheque, or debit, located at 14 Bridge St, PO Box 400, Almonte ON K0A 1A0. 
  1. Once we receive your application, the information will be entered into our CGIS software program and assigned an application number for tracking. 

  2. Your application and site plan will first go to the Planning Department for their Zoning By-law review. They will contact you directly if they require additional information or documentation.  Every Building Permit Application must comply with the Zoning By-law in order to be considered a complete package.

  3. Once approved by the Planning Department, a Building Inspector or 3rd party reviewer, will review your application and drawings. Your residential application should be reviewed and approved in 10 business days IF you have provided a complete package and IF there is no additional information required to review your application. If additional information is required, there may be delays.

  4. Once your application is reviewed by the Building Department, the Chief Building Official (CBO) provides the final approval.

  5. When your building permit is approved, you'll receive an email with your invoice. The invoice will identify the previously estimated and paid building and zoning fees, and will show the remaining fees that are due, including Development Charges, if applicable.
    Your permit fee can be paid by exact cash, cheque, or debit, located at 14 Bridge St, PO Box 400, Almonte ON K0A 1A0, to pay your fee. 
    **Your building permit is NOT valid, and will not be released, until your invoice has been paid in full.

  6. Once we receive payment, we will email your Building Permit, receipt, and permit drawings.

  7. Please post the Building Permit in a conspicuous location on your property facing the road.

  8. Inspections are listed on your Building Permit. Please email building@mississippimills.ca or call 613-256-2064 ext. 508 to book your inspections.

  9. Additional inspection fees may be assessed if an inspection is conducted and the work is either not ready, there is no access, insufficient documents are available, or if the number of inspections exceeds what is otherwise reasonable.

  10. All building permits expire after 1 year, after which, a renewal of the permit will be required. Renewal fees are due annually upon expiry of the permit if the permit file is not complete. Please note the expiry date on your permit and contact the Building Department if your permit requires a renewal. Renewal fees can be found in the 2025 Building Fees.

  11. Please note that if you wish to cancel your permit application once the review process has begun, there will be costs that cannot be refunded. Appendix C of the Building By-law 24-027 lists the Refund Percentages available.

If you have any questions regarding your building permit application process please don't hesitate to contact us.

This webpage will provide you with a list of documents that are required to be submitted as part of your building permit application package, based on the type of project you are applying for.

Required Documents for Permits

This section will give you a list of all required inspections that may be required for a project within Mississippi Mills.  These inspections are the minimum prescribed inspections as per Div. C of the most current version of the Ontario Building Code. 

Permit Inspections 

The 2025 Building Fees By-law 24-0091 document provides you with the most current Building Permit Fees for all building permits within Mississippi Mills. 

Where the permit fees are based on the value of construction, the fee shall be based on the higher of the "Project value est. $" from the application form or the most applicable average value as reported in the most recent version of the OLMCBO Construction Value guide

*Building and Zoning fees are due and payable when you submit your application.

Please note that if you wish to cancel your permit once the permit application process has begun, there will be costs that cannot be refunded. Appendix C of the Building By-law 24-027 lists the Refund Percentages available.

New homes and developments will also require Development Charges. For a list of fees, please visit the Development Charges webpage for more details.
*Development Charges are due and payable when your building permit has been approved.

For Public Works Water and Wastewater Charges, please email Public Works or call 613-256-2064 ext. 403

This section hosts some of our most frequently asked questions by the public.  If you are starting a project and have questions, this is a good place to start. 

Frequently Asked Questions

This section will supply you a link to PDF copies of the most common forms required for building permit applications within the Municipality of Mississippi Mills, Important Documents and By-Laws. Includes Building Permit Applications, Sign Permit Applications, Pool Permit applications, Occupancy Checklist and more. 

Forms, Documents and Bylaws

This section will explain the requirements for Pools within Mississippi Mills. Pools require their own separate permit and any decks require a separate Building Permit Application. Within this section is a link the Pool By-Law where all the requirements are outlined. 

Pools and Hot Tub Permits

This section will give you a link to the most current Sign By-Law that is enacted within Mississippi Mills. There will also be sign related forms and general clarification for anyone looking to erect a sign in Mississippi Mills. 

Sign Permits

Before deciding to add a secondary unit, it is important that you first speak with your municipal Planning department and Building department. They can tell you whether you are allowed to add a second unit on your property and answer any questions that you have related to local zoning, and the Building Code.

If you are interested in establishing a Secondary Dwelling Unit on your property, please review the guidelines below and fill out the worksheet to submit to the Planning department for their review and comment. 

 

You could also visit the Ontario Add a Second Unit to Your House website for common questions and information.

Below is a document that will provide you with the council passed Building Department Code of Conduct as per 7.(1) of the Building Code Act. 

Building Officials Code of Conduct

This section contains contact information for employees of the Building Department.

Building Clerk:

Jennifer Russell
Phone (613) 256 2064 ext. 508
Email: building@mississippimills.ca

Chief Building Official:

Jon Wilson
Phone: (613) 256 2064 ext. 504
Email: jwilson@mississippimills.ca

Senior Plans Examiner & Deputy Chief Building Official:

Robert Lamarre
Phone: (613) 256 2064 ext. 506
Email: rlamarre@mississippimills.ca

Building Inspectors:

Sadie Dupuis
Phone (613) 256 2064 ext. 505
Email: sdupuis@mississippimills.ca 

Eric Madore
Phone (613) 256 2064 ext. 515
Email: emadore@mississippimills.ca

Are you thinking about building a deck, porch, shed, or garage? What about getting a pool or hot tub?
The Building Information Package has all the zoning and permit information you need to get started on your next summer project. 
Building Information Package

Links to other useful documents:

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