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Sump Pump & Backwater Valve Installers in Mississauga, Ranked (2026)

Last updated: By Below-Grade Records Desk

12 sump pump and backwater valve installers cover Mississauga, compiled August 2026.

1,310 Google reviews · median 4.98★ · typical $1,400–$2,400 per installed system (Tornado Plumbing & Drains (Toronto)) · 100% of rated companies at 4.8★ or above · scheduling: year-round; interior work is not weather dependent

Companies

Who does sump pump and backwater valve work in Mississauga?

Looking for a sump pump and backwater valve installer in Mississauga? WaterproofingIndex has 12 on file, averaging 4.98★ across 1,310 Google reviews, as of August 2026. Half carry more than 98 Google reviews and half fewer. Full sump pumps & backwater valves cost guide.

Ranking

What decides the order on this page?

A Bayesian-adjusted Google rating orders these 12 sump pump and backwater valve installers, whose median review count is 98. Position is not for sale. How the score is built.

Rules

Permits and subsidies for sump pump and backwater valve work

Permit rules and subsidies do not change between Mississauga and the rest of the GTA, so they are answered once, on the sump pumps & backwater valves page.

Coverage

Nearby areas and related work in Mississauga