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

December 31, 2025 – January 5, 2026 – The flag in front of the St. Clair Township Civic Centre, Mooretown Sports Complex and Emergency Services are lowered to half-mast in memory of the late John DeMars. John DeMars was the voice of experience in municipal matters for 36 years, beginning his career in Sombra Township,

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