{"id":"plumbers-montreal-2026","name":"Best Plumbers in Montréal","category":"Plumbers","location":{"city":"Montréal","province":"Quebec","country":"Canada"},"canonical_url":"https://bests.ca/best/plumbers/in/montreal","publication_type":"algorithmic","methodology_version":"plumbers-qc-v1","evidence_cutoff_at":"2026-08-21T11:00:00.000Z","published_at":"2026-08-21T12:00:00.000Z","maximum_positions":3,"positions_published":3,"positions":[{"rank":1,"entity":"Plomberie Roger Chayer","entity_type":"Organization","descriptor":"Four-generation Montréal plumbing company","best_for":"24/7 multi-unit, commercial and hydronic depth","why_it_ranks":"Four-generation leadership, more than twenty stated master plumbers and gas technicians, round-the-clock service and broad residential, multi-unit, commercial and hydronic scope create the deepest Montréal operating record.","decision_notes":["Family operation since 1946","24/7 service","Multi-unit and hydronic scope"],"profile_url":"https://bests.ca/best/plumbers/in/montreal/profile/roger-chayer-montreal","verification_url":"https://bests.ca/verify/plumbers-montreal-2026/roger-chayer-montreal","bests_score":null,"confidence":null,"proof_index":null,"consensus":null},{"rank":2,"entity":"Plomberie G. Courchesne","entity_type":"Organization","descriptor":"Montréal plumbing and heating company","best_for":"Multi-sector projects and water/sewer excavation","why_it_ranks":"A visible RBQ number, ten-truck service claim, decades of local operation and residential-through-institutional scope including service-line excavation support the strongest project-breadth placement.","decision_notes":["Visible RBQ number","Ten-truck operating claim","Excavation capability"],"profile_url":"https://bests.ca/best/plumbers/in/montreal/profile/g-courchesne-montreal","verification_url":"https://bests.ca/verify/plumbers-montreal-2026/g-courchesne-montreal","bests_score":null,"confidence":null,"proof_index":null,"consensus":null},{"rank":3,"entity":"Plomberie Saint-Henri","entity_type":"Organization","descriptor":"Montréal Sud-Ouest residential and commercial specialist","best_for":"Neighbourhood repairs and renovation follow-through","why_it_ranks":"A clearly published RBQ identity, resolved Saint-Henri address, diagnostic-first repair positioning and after-service commitment support this neighbourhood-specialist placement.","decision_notes":["Visible RBQ number","Sud-Ouest location","Repair and renovation scope"],"profile_url":"https://bests.ca/best/plumbers/in/montreal/profile/plomberie-saint-henri-montreal","verification_url":"https://bests.ca/verify/plumbers-montreal-2026/plomberie-saint-henri-montreal","bests_score":null,"confidence":null,"proof_index":null,"consensus":null}],"interpretation":"Null metrics have not been published. A Bests list may contain fewer than three positions when the evidence gate does not support another entry."}