He attended the Petit Séminaire de Québec and planned to enter the priesthood himself, but later chose to become a lawyer.
He published a short work entitled Almanach des dames pour l’année 1807, par un jeune Canadien while still a legal scholar, and was licensed as an advocate, barrister, attorney, and solicitor on August 1, 1811.
Plamondon was a founding member of the Literary Society of Quebec, and served for a time as its secretary.
It was in this capacity that he delivered a speech praising King George III of the United Kingdom in 1809.
The Dictionary of Canadian Biography reports that his death was "reputedly from the effects of his excesses as a bon vivant".