Building & Plumbing Permits

Building permits are available to be printed up by clicking the link below. For further information, contact the clerks department at (519) 867-2021 or by e-mail at building@stclairtownship.ca

Building & plumbing permits are required for many home projects. The County of Lambton Building Services Department issue permits for St. Clair Township. To view building permit information for the homeowner on the County of Lambton web site or to download a building and plumbing permit application from Lambton County, please **click here**.

Online Building Permit Application **click here**

To determine the cost of a permit for your project, please refer to the Township Fees Bylaw.

B-L 11 of 2025 – Fees By-Law

To determine if your project is subject to Development Charges, please refer to the Township’s Development Charges By-law

B-L 6 of 2021 – Development Charges By-Law

2025 Schedule of Development Charges Fees “B”

News

Flags at Half Mast

May 12, 2026 – The flags at all St. Clair Township municipal facilities have been lowered to half-mast in mourning and in support of longtime St. Clair Township Councillor Pat Brown and his family following the passing of his wife, Cindy Brown. On behalf of Council and staff, we extend our heartfelt condolences to Councillor

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