Carl St-Onge Avocat is a solo law practice based in Salaberry-de-Valleyfield, Quebec, serving the Montérégie-Ouest region. The firm handles general civil law, construction law, employment law, business and corporate law, human-rights matters and succession law, and offers legal aid services.

Practice areas

Construction Law Employment & Labour Law Business & Corporate Law Wills, Estates & Trusts

Good to know

A person using a wheelchairAccessible restroomA calendar with a checkmark beside a clockBy appointment

Fees & payment

Scales of justice and a gavel above a Legal Aid bannerLegal aid

Lawyers 1

Carl St-Onge Avocat Administrative & Regulatory Law

Who handles what

Where to find them

Salaberry-de-Valleyfield, QC J6T 4P9 · 450-567-0362

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This listing was generated by AI from public sources in August 2026. It may contain errors, and we can’t guarantee it’s accurate or complete. Before you rely on anything here, verify it on the firm’s own website. Verify licence status in the Barreau du Québec directory ↗

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