The Homeowner’s Building Application Checklist - Constructing a Residential Finished Basement

Oct 28, 2026

Provides a homeowner checklist for applying for a building permit to construct a residential finished basement. Summarizes key Building Permit submission requirements, including required drawings and what each plan set must show for floor plans and construction material lists. Outlines how to submit an application at client service centres and emphasizes using the required building permit fee with complete information. Specifies inspection stages, booking inspections 48 hours ahead, and details required inspections from underground plumbing through final inspection.

LanguageEnglish

CategoryHealthcare

FormatPDF

Pages4

Reading Time10 min

AccessFree to download

Required Drawings

Floor Plan

Construction Material List

Building Permit Application

Required Inspections

The Homeowner’s Building Application Checklist to Constructing a Residential Finished Basement This checklist provides homeowners a summary of the Building Permit submission requirements for constructing a residential finished basement. A building permit is required when finishing your basement. For additional details on the Submission Process, Application Forms, Fees, Approvals and Inspections, please refer to the website [at](at ottawa.ca/buildingcode)[ ](at ottawa.ca/buildingcode)[ottawa.ca/buildingcode](at ottawa.ca/buildingcode). The Ontario Building Code outlines the minimum requirements for various elements, such as framing and foundation, and can be viewed on the Ontario Ministry of Municipal Affairs and Housing website. Required Drawings Two complete sets of plans that are legible and drawn to conventional scale are required tobe submitted with the Building Permit Application Form. Floor Plan Drawing to include 􀀻 Wall location and thickness. 􀀻 Room names. 􀀻 Window and door locations including sizes. 􀀻 Municipal address Construction Material List Drawing to include 􀀻 Wall and construction including existing materials to be maintained. 􀀻 Ceiling construction and height above finished floor. Building Code Services (613) 580-2424 ext. 12870 [buildingpermits@ottawa.ca](buildingpermits@ottawa.ca) Revised June 18, 2014 Page 1 The Homeowner’s Building Application Checklist to Constructing a Residential Finished Basement Building Permit Application Submit a Building Permit Application to any of our convenient Client Service Centres. To expedite the Building Permit, ensure all applicable information is submitted with the required building permit fee. Required Inspections For Finished Basement of: Single, Semi-Detached, Rowhouse and Townhome Dwelling Units At key stages of building construction, your work must be inspected to ensure that the applicable stage of construction complies with the Ontario Building Code. The permit plans and specifications must be on site and made available to the Building Official at the time of inspection. To ensure the availability of a Building Official, you should book inspections 48 hours in advance. Failure to have the appropriate inspection performed may result in your having to uncover and expose the work for inspection, or other Orders issued, etc. The Building Official(s) name and phone number are identified on the building permit. It is your responsibility to call for inspections. For a list of required inspections that may apply based on the proposed alterations, please refer to the following table. | Inspection | Description | | --- | --- | | Plumbing-Underground | Required prior to covering underground plumbing. (Test required) | | Plumbing – Rough-In | Required at completion of plumbing rough-in, which includes drains, waste, vent and water piping system. (Test Required) | | Framing | Required at completion of structural framing. | | Insulation/Vapour Barrier | Required at completion of insulation and vapour barrier installation. | | Plumbing – Final | Required at completion of plumbing system, fixtures and appliances. | | Final | Required at completion of the basement’s alterations. | Building Code Services (613) 580-2424 ext. 12870 [buildingpermits@ottawa.ca](buildingpermits@ottawa.ca) Revised June 18, 2014 Page 2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |

FAQs

What drawings are required for the building permit application for a finished basement?

Two complete, legible sets of plans drawn to conventional scale must be submitted with the Building Permit Application Form, including floor plan and construction material list details.

What must the floor plan drawing include?

The floor plan must show wall location and thickness, room names, window and door locations with sizes, and the municipal address.

Which inspection stages are required during construction and how far in advance should they be booked?

Required inspections include plumbing underground, plumbing rough-in, framing, insulation/vapour barrier, plumbing final, and final. Book inspections 48 hours in advance and ensure the permit plans and specifications are on site during inspection.

Oct 28, 2026

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