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WaterproofingIndex

Best Weeping Tile & Drainage Contractors in Toronto and the GTA

Last updated: By Below-Grade Records Desk

42 weeping tile and drainage contractors listed across the Greater Toronto Area, compiled August 2026.

3,558 Google reviews · median 4.9★ · typical $200–$450 per linear ft (AquaMaster Plumbing (Toronto)) · 88% of rated companies at 4.8★ or above · scheduling: exterior drainage work typically April to November while the ground is unfrozen

Ranking

Who ranks highest for weeping tile and drainage work in the GTA?

  1. VHP Services Inc1

    VHP Services Inc

    84/100 WaterproofingIndex Score

    4.2 km from Mississauga centre

    MississaugaWeeping Tile & Drainage
    • Says it is licensed
    • Says it is insured

    Its own website describes below-grade water work

    Request a quote
  3. MT Drains & Plumbing LTD3

    MT Drains & Plumbing LTD

    82/100 WaterproofingIndex Score

    1.9 km from Richmond Hill centre

    Richmond HillWeeping Tile & Drainage
    • Says it is licensed
    • Says it is insured

    Its own website describes below-grade water work

    Request a quote
  8. Caldwell Plumbing8

    Caldwell Plumbing

    81/100 WaterproofingIndex Score

    2.9 km from Pickering centre

    PickeringWeeping Tile & Drainage
    • Says it is licensed
    • Says it is insured

    Its own website describes below-grade water work

    Request a quote
  11. Water Pro Drain11

    Water Pro Drain

    79/100 WaterproofingIndex Score

    0.5 km from Burlington centre

    BurlingtonWeeping Tile & Drainage
    • Says it is licensed
    • Says it is insured

    Its own website describes below-grade water work

    Request a quote
  12. Absolute Draining & Plumbing12

    Absolute Draining & Plumbing

    79/100 WaterproofingIndex Score

    1.7 km from Islington-City Centre West centre

    Islington-City Centre WestWeeping Tile & Drainage
    • Says it is licensed
    • Says it is insured

    Its own website describes below-grade water work

    Request a quote

42 companies are filed under weeping tile and drainage work in the Greater Toronto Area, holding a median 4.9★ across 3,558 Google reviews. 37 of them describe this work on their own website; for the other 5 we go on the category Google files them under and say no more than that. Budget $200–$450 per linear ft for exterior weeping tile replacement, the GTA figure AquaMaster Plumbing (Toronto) publishes. Order comes from a published score out of 100: reviews, what a company states on its own site, and how complete its record is. Nobody buys a place on it.

Prices

What does weeping tile and drainage work cost in the GTA?

AquaMaster Plumbing (Toronto) puts exterior weeping tile replacement at $200–$450 per linear ft. OCM Excavation (Toronto) prices weeping tile replacement as a line item inside an existing excavation at $90–$140 per linear ft. Ontario charges 13% HST on top, and GTA contractors quote before tax. 8 line items are broken out below, each credited to the source that published it.

GTA weeping tile & drainage prices as published, August 2026. Every row names its source. Some of these prices are published by contractors this directory also lists. Those rows are marked. A company cannot buy a ranking position by supplying a figure.
ItemTypical rangeUnitSource
Exterior weeping tile replacement (excavate to the footing, new drain pipe, membrane, backfill)$200–$450per linear ftAquaMaster Plumbing (Toronto)also listed in this directory
Weeping tile replacement as a line item inside an existing excavation (pipe and stone only)$90–$140per linear ftOCM Excavation (Toronto)
Exterior excavation and waterproofing, standard 7 ft basement, single wall$250–$400per linear ftOCM Excavation (Toronto)
Exterior excavation and waterproofing, 8 ft basement (most 1960s and newer Toronto bungalows)$300–$475per linear ftOCM Excavation (Toronto)
Full perimeter exterior wrap, all four walls, average detached home$25,000–$55,000per jobOCM Excavation (Toronto)
Complete exterior weeping tile system, whole home$10,000–$20,000per jobAquaMaster Plumbing (Toronto)also listed in this directory
Interior weeping tile / interior drainage system$70–$150per linear ftDryShield (Toronto & GTA)also listed in this directory
Complete interior weeping tile system, whole basement$3,000–$10,000per jobAquaMaster Plumbing (Toronto)also listed in this directory

Open the full weeping tile & drainage cost guide

Coverage

Which part of the GTA is the job in?

Pick the city or neighbourhood to narrow the list to companies working there. 3 areas have enough listed weeping tile and drainage contractors for their own ranked page, each built from that area's own listings alone.

Ranking

How is this ranking built?

Position starts with an adjusted Google rating, which weighs how many people reviewed a company as well as what they scored it, so a 5.0 resting on three reviews does not sit above a 4.8 resting on three hundred. Added to it: what each company states on its own website, read off the page and stored with the sentence it came from, and how complete and reachable its record is. 88% of the rated weeping tile and drainage contractors here reach 4.8★, so the gaps between neighbouring positions are narrow and worth reading. Positions move as new reviews land, and no company is told about it in advance. Read our full methodology.

Frequently asked questions

What does weeping tile and drainage work cost in Toronto and the GTA?

AquaMaster Plumbing (Toronto) publishes $200–$450 per linear ft for exterior weeping tile replacement, and OCM Excavation (Toronto) publishes $90–$140 per linear ft for weeping tile replacement as a line item inside an existing excavation. Those are pre-tax figures, so add 13% HST. The weeping tile & drainage cost guide on WaterproofingIndex sets out every line item beside the source that published it.

How do I pick a weeping tile and drainage contractor in the GTA?

Three written quotes, each naming the same wall and the same scope, is the only comparison that means anything below grade: one firm can price an interior drain while another prices an excavation, and the totals will not be comparable. The shortlist above is every weeping tile and drainage contractor on record here, 42 of them, sitting at a median 4.9★ on a median of 66 Google reviews apiece. Ask each one for proof of insurance and for two addresses within a few streets where it did the same job.

When can weeping tile and drainage work be scheduled in Toronto?

Exterior drainage work typically April to November while the ground is unfrozen. Frozen ground is what fixes the calendar: anything needing an open trench waits for the thaw, while work done from inside the basement carries on all winter. Ask each quote which parts of its scope need the ground open, because that single answer decides your start date.

Do these jobs need a permit, and does the quote include HST?

Ontario charges 13% HST on plumbing and waterproofing work, and GTA contractors publish their ranges before tax, so add it before comparing. Permits follow the scope, not the price. The City of Toronto requires a building permit and an inspection for a backwater valve, and charges an underpinning permit fee for lowering a basement or cutting a new below-grade entrance. Where a permit applies, the weeping tile & drainage cost guide prices it as its own line with the City's own figure.

Do downspouts have to be disconnected from the sewer in the GTA?

In Toronto, downspout disconnection is mandatory for most homes: roof water is meant to drain onto the ground instead of into the sewer, which is why a drainage contractor should be looking at your downspouts before proposing anything expensive. Requirements differ by municipality, so confirm what your own asks of you. Exemptions exist where disconnection is genuinely not workable and the City handles those applications, so read the current rules on toronto.ca rather than taking a sales pitch at face value. Either way, ask where the water ends up once it leaves the pipe, because a downspout emptying beside the wall recreates the problem it was meant to fix.

Can a company pay WaterproofingIndex for a higher position?

No, and there is nothing to buy. The order comes from a published score out of 100: an adjusted Google rating, what a company states on its own website, and how complete its record is. With 88% of rated weeping tile and drainage contractors at 4.8★ or better, positions here separate on narrow margins. The methodology page sets out the formula.

Questions to ask your contractor

  • Is the weeping tile being replaced, or flushed and reused? Replacing the tile versus interior drainage
  • How deep does the excavation go, and does the new pipe sit at footing level? Sourced per linear foot pricing
  • What is the pipe wrapped in, and what stone is it bedded in?
  • Where do the downspouts discharge once you are finished?
  • Does the grading get restored so surface water runs away from the wall?

Coverage

Where to go next

Below-grade problems rarely stay in one category. These are the other Greater Toronto Area rankings and guides on WaterproofingIndex.