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Basement waterproofing and drainage in Forest Hill

Last updated: By Below-Grade Records Desk

4 below-grade contractors are listed within 4 km of Forest Hill, compiled August 2026.

average Google rating 4.9★ · borough / region: Old Toronto · deepest category: Sump Pumps & Backwater Valves (3 listed) · ordered on Google review data, not paid placement

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Which sump pump and backwater valve installers are listed for Forest Hill?

3 sump pump and backwater valve installers are listed for Forest Hill, averaging 4.87★ over 204 Google reviews. Tornado Plumbing & Drains holds the top position at 5★ from 132 reviews. Order comes from review data and record completeness, never payment.

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Which basement waterproofing contractors are listed for Forest Hill?

1 basement waterproofing contractors are listed for Forest Hill, averaging 5★ over 202 Google reviews. Drain 1 Plumbers In York holds the top position at 5★ from 202 reviews. Order comes from review data and record completeness, never payment.

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Which below-grade services are covered in Forest Hill?

One row per category WaterproofingIndex covers in Forest Hill: how many companies are listed, what they average on Google, and the GTA price range published for that service. The ranked list for each one follows underneath.

WaterproofingIndex dataset, August 2026. Ratings from public Google reviews.
CategoryListed prosAvg Google rating
Sump Pumps & Backwater Valves34.87★
Basement Waterproofing15★

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Why are some companies missing from this page?

38 of the 384 companies here publish no street address, only a Google service-area centroid, and 4 of them share one such point. That is not an address, so none of them is placed in Forest Hill. Find them in the A-Z index, and ask which areas they cover.

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Which areas next door are covered?

Below-grade crews work across boundaries, and a company two neighbourhoods away is often on the same street the following week. These Greater Toronto Area areas next to Forest Hill have their own lists.

Waterproofing in Forest Hill: frequently asked questions

Who works on wet basements in Forest Hill?

WaterproofingIndex's August 2026 dataset holds 4 below-grade contractors covering Forest Hill, at an average Google rating of 4.9★. Sump Pumps & Backwater Valves is the deepest category here, with 3 listed. Get three itemised quotes before you commit to any of them.

Which below-grade service scores highest in Forest Hill?

Sump Pumps & Backwater Valves leads on rating: 4.9★ across 3 rated companies, ahead of every other category WaterproofingIndex covers in this area. The stars come from Google reviewers, and our order weighs how many of them there were.

What should a Forest Hill homeowner expect to pay for sump pump and backwater valve work?

Tornado Plumbing & Drains (Toronto) publishes $1,400 to $2,400 per installed system for primary sump pump installed in an existing pit across the GTA, before 13% HST. Depth and access are what move a Forest Hill quote inside that range. The sump pumps & backwater valves cost guide on WaterproofingIndex breaks out every line item with its source.