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    Canadian Owned and Operated
    Superior Plumbing & Heating
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    Home / Montreal / Septic Tank Replacement

    Septic tank replacement services in Montreal

    • Expert local company near you
    • We can fix any issue, no matter how complex it is
    • Our plumbers are competent and skilled
    • Fair and affordable prices
    • Extensive warranty on labour and parts

    call us Call us and we’ll come to you (866) 932-2818

    replacing an old septic tank in Montreal
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    WHY WORK WITH US

    4000+
    Positive reviews on:
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    4035 reviews
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    345 reviews
    20+
    Years of successful work
    Our licensed plumbers have years of experience dealing with the most complex plumbing issues. We can arrive at any time convenient for you and have fully stocked trucks to provide any repair or installation services you need.
    85
    TRAINED & QUALIFIED PLUMBERS
    You can count on us to handle any job with professionalism. Our team is certified to solve any plumbing problem, using modern repair methods and top-notch tools to achieve the highest quality results.
    We are Local
    We have offices in many Canadian cities to help you as fast as possible.

    Achievements of Superior Plumbing

    Superior Plumbing ang haeting best aword winner 2021 HomeStars
    award best plumbing company 2019 HomeStars
    HomeStars award Superior Plumbing & Heating best of the best winner 2022

    What people are saying about our septic replacement service in Montreal?

    homestar review Montreal 4.8/5

    Hundreds of verified reviews

    google review Montreal
    Rob Marciano

    Prompt and efficient. Would use again!

    Jan 5, 2026
    Jack Willmott

    Fantastic job by Superior Plumbing Cobourg. My toilet was running nonstop and the waste was driving me crazy. Their plumber arrived the same day, diagnosed the faulty parts, and repaired it right away. All very professional and now everything works perfectly. My go-to here on out.

    Dec 3, 2025
    GA p

    Our shower water kept fluctuating in temperature. Ryan from Superior Plumbing and Heating replaced the mixing valve and tested both hot and cold flow. The water stays perfectly balanced now.

    Dec 25, 2025
    Matt Hew

    This review is the result of being offered a $30 rebate for service from this company. The technician (Kurtis) was friendly and professional. He called about 15 mins before arriving and was able to unclog my main sewer pipe, which had tiny vines growing inside. I took off one star for price: $850 plus tax ($960.50 total) is pretty outrageous for 45-50 mins of work to run a snake through my pipe. Pros: – Arrived same day – Tech was great – Unclogged (at least temporarily) my main drain Cons: – Very expensive – Unsure how long until I’ll have another blockage – No upfront quote or estimates (even for flat rate jobs)

    Dec 23, 2025
    Sonu Kothari

    Tyler was really great with explaining the issue and my options. I really loved the service.

    Oct 24, 2025
    Joel labrador

    Ryan from Superior Plumbing fixed my leaky sink the same day I called. my go to plumbers thank you!!

    Dec 13, 2025
    Annabelle Smith

    Ryan did a great job fixing my leaky sink, he did everything thing in a timely matter, was very polite, and left no mess in the house!

    Dec 25, 2025
    Courtney Jackson

    mike did wonders to my shower

    Dec 30, 2025
    AKHIL DESHPANDE

    Mike came to my home for Water softener inspection and did a great job. Appreciate the service provided.

    Nov 20, 2025
    Eve Holmes

    I called superior and hours later i had mile install a new faucet for me! Great company

    Dec 29, 2025
    Keegan Fletcher

    Mike came to install a new toilet! He was super polite

    Dec 30, 2025
    Jarry Tipoth

    I called superior and they had a new toilet installed the same day for me with a free valve too. Amazing service

    Dec 30, 2025
    Top result in a blink of an eye
    We at Superior Plumbing & Heating adhere to the highest standards set by the industry. Our plumbers are always prepared to handle any plumbing repairs or replacements you may need since they have at least 5 years of expertise.
    Order a specialist now (866) 932-2818
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    Montreal septic tank replacement cost

    Superior Plumbing & Heating performs numerous services for residential households and commercial locations across rural areas of Montreal. In particular, we have vast and robust experience in maintaining septic systems of any kind. If you assume that your septic tank requires repairs or replacement – call us now, and let’s sort out the situation together.

    What are the signs of a septic tank malfunction?

    Septic systems are primarily complicated and rather expensive, but at the same time durable and long-lasting. With proper maintenance, your septic system shall not bother you for 20 to 30 years. Unfortunately, emergencies and unexpected troubles happen from time to time, like with any other fixtures and appliance. When the problem comes up, it is critically important to determine its origin and figure out a plan for further actions.

    If we separate the wheat from the chaff, it could be stated that the only reason for urgent replacement is a tank crack. A damaged tank will unavoidably drain your waste into the soil before the digestion happens, polluting the groundwater, and that’s no joke.

    The common signs that your septic tank is damaged critically are the damp spots and foul odour in your tank location area. Fast-growing and greener grass can also be considered as a reason for concern.

    How to prevent your tank from cracking

    • If you are planning a septic tank replacement and have no wish to return to this process in the near future, choosing the modern fibreglass tank is recommended instead of old concrete or cheap plastic ones. This material is much less prone to damage and will definitely last longer than analogs.
    • Avoid heavy machinery impact. Mark your tank location and do not allow heavy trucks or other vehicles to cross it.
    • Pump the sludge layer regularly. As your septic tank is functioning, it breaks the wastewater into two fractions – solid and liquid. The liquid part travels to the leach field and is drained into the soil, while solid waste drowns to the bottom of the tank and forms a sludge layer. This waste should be removed once in a couple of years (depending on your tank and your family size). If you let the layer grow, it will increase the pressure inside the tank, reduce its pass-through capacity and lead to leaking.

    How much does the septic tank replacement cost

    There are too many different septic systems technologies and septic tank materials and sizes to state the firm figure on the costs. However, our experience tells us that replacement may probably cost you from 10 to 30 thousand on average.

    To conclude the exact estimate, it is necessary to arrange an appointment with a licensed plumber at your location to pre-inspect the whole system and determine what kinds of tanks are suitable.

    You also shall not forget to get a permit for septic tank replacement before proceeding to the plumbing works.

    Septic tank alternatives – does it worth it?

    Septic systems are being used in case there’s no opportunity to connect the household with the municipal sewer line. The only existing alternative for them is their predecessors – the cesspools. But that obsolete technology can hardly be called an alternative to septic systems – it’s a rudiment.

    If you construct a new dwelling in a rural area with no reach for the main sewer line – a septic system is your only appropriate option.

    So if you have decided to replace your septic tank, we will be pleased to help you. Contact our phone support experts to receive a consultation on the subject and get the job done nice and clean!

    Get a plumber now

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    Montreal areas served by our septic replacement plumbers

    Our plumbers work throughout Montreal, including areas such as:

    • Côte-Des-Neiges
    • Downtown Montreal
    • Griffintown
    • Hochelaga-Maisonneuve
    • Island of Montreal
    • Little Burgundy
    • Mile End
    • Mile-Ex
    • Montreal West
    • Old Montreal
    • Outremont
    • Park-Ex
    • Plateau Mont-Royal
    • Pointe-Saint-Charles
    • Quartier Latin
    • Rosemont / Petite Patrie
    • Saint-Henri
    • The Village
    • Verdun
    • Villeray
    • Dorval
    • Gatineau
    • Kitchener
    • Laval
    • London
    • Longueuil
    • Ottawa
    • Waterloo

    This septic tank replacement service is popular in the following cities besides Montreal

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    best hvac repair company in Montreal
    Superior Plumbing & Heating
    (866) 932-2818
    (514) 700-4456
    Montreal

    3460 Peel St, Montreal, QC H3A 2M1, Canada

    info@superiorplumbing.ca
    hours of operation: Monday - Sunday 12:00 AM -11:59 PM
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