Act Fast Waterproofing Corp.
- Website checked
City Wide Group
Toronto-based company handling water damage restoration, mould remediation and basement flood prevention, including backwater valves, sump pumps and sewer backup prevention across Toronto and nearby areas.
What they do
The company handles water damage and mould work, including mould remediation, sewage clean-up and structural drying. It also installs backwater valves and sump pumps, clears and replaces drains to prevent sewer backups, and deals with flooded basements. Its other work covers basement waterproofing, foundation crack repair and home battery backup. Estimates are free and can be requested online, and emergency service is offered. Treated areas carry a lifetime warranty that passes to later owners of the home. The business is family-owned and has operated since 1961.
- Backwater valves
- Mould remediation
- Sump pumps
- Sewage clean-up
- Weeping tile
- Structural drying
Listed under Basement flooding and sewer backup, Water damage and mould remediation
Where they work
What we checked
- Its own website lists this work: citywidegroup.com/basement-waterproofing-company (opens in a new tab), citywidegroup.com/interior-waterproofing-ontario (opens in a new tab)
Checked 12 Nov 2026, from public sources.
Not yet verified. We haven’t contacted this business yet. Ask for a written quote before work starts.
Other basement flooding and sewer backup pros in Greater Toronto
Advanced Plumbing & Drains
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Aviv Plumbing
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