Me Sonia St-Onge Avocats
1 lawyer · Beauharnois-Salaberry
One of 12 law firms listed in Salaberry-de-Valleyfield, and one of 8 handling Family Law.
Me Sonia St-Onge Avocats is a family law practice in Salaberry-de-Valleyfield, Quebec, run by Sonia St-Onge, a member of the Barreau du Québec since 1991. The firm handles divorce and separation, custody, child support, mediation, civil union and adoption matters, and Me St-Onge is also an accredited family mediator.
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Wheelchair accessibleLawyers 1
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35 Rue de Grande-Île #2, Salaberry-de-Valleyfield, QC J6S 3L9 · 450-747-3007
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Criminal DefenceLegal AidListing compiled from the firm’s public website in August 2026. Verify licence status in the Barreau du Québec directory ↗