Septic Tank Prices in Montreal

Septic tank pump-out in Montreal starts from C$330. Pump-out services average C$495 in Montreal. Prices exclude provincial sales tax (GST/HST varies by province). Septic regulations are provincially administered and vary significantly — always consult your municipal building department or provincial authority before any installation or modification.

Septic tank services in Montreal include pump-outs, new installations, system replacements, septic to sewer conversions, compliance inspections, absorption trench repairs, aerated treatment system installations, and effluent pump replacements. New installations in Montreal average C$15,400.

A new septic system in Montreal costs C$7,700–C$27,500, averaging C$15,400. An aerated treatment system (AWTS) costs C$13,200–C$38,500. Prices exclude provincial sales tax (GST/HST varies by province). Septic regulations are provincially administered and vary significantly — always consult your municipal building department or provincial authority before any installation or modification.

Check online reviews on Google and local trade directories. Verify the contractor holds a current plumber's licence and is licensed to handle liquid waste in your state or territory. For new installations, confirm the contractor is familiar with your local council's approval process. Get at least two quotes for major work. Ask about their experience with your soil type and any council-specific requirements in Montreal.