Flowline provided clear communication and quality workmanship. The plumber took the time to look at the full situation instead of guessing. The actual cause was found and repaired. Everything has worked properly since.

Licensed Plumbers · Waterloo, ON
Expert Plumbing Services In Waterloo
From leaky faucets to full repipes, Flowline's licensed plumbers serve Waterloo homes and businesses. Open 7 days, 7am to 11pm. Call 226-242-9145.
- Licensed & Insured
- WSIB Covered
- Upfront Flat-Rate Pricing
- Same-Day Service
- Locally Owned
- 226-242-9145

About
About Flowline in Waterloo
Waterloo blends a university-town rental market with established family neighbourhoods and fast-growing north-end builds. Near Uptown and the universities, we maintain older homes with original plumbing serving multiple units — where one failing water heater or a main-line clog affects several tenants at once.
Hard water from the municipal supply shortens tank life and clogs aerators in Beechwood and Lakeshore homes alike. Newer construction in Eastbridge still needs qualified plumbers for warranty-friendly water-heater installs, sump backups, and fixture upgrades — not handyman shortcuts.
- — Rental-property turnover and shared-meter buildings
- — Older-home repipes near Uptown
- — Hard-water impact on heaters and fixtures
- — North-end new build warranty-sensitive installs

01 — Services
We Specialize In Waterloo
Residential and commercial plumbing for Waterloo homes and businesses.
02 — Why Flowline
What to Expect When You Call Flowline in Waterloo
Upfront Flat-Rate Pricing
Experience with multi-unit and student housing plumbing
Licensed, Insured & WSIB Covered
Fast response across Waterloo without franchise dispatch delays
Satisfaction Guaranteed
Licensed, insured, WSIB-covered technicians
Respect for Your Home
Established in the region since 2003
03 — Service Area
Waterloo Neighbourhoods
Trusted plumbing across Waterloo and nearby communities.
Neighbourhoods we serve in Waterloo
Uptown WaterlooBeechwoodLakeshoreEastbridgeLaurelwoodWestvale
Homeowners may qualify for Basement Flooding Subsidy support in Waterloo.
04 — Reviews
Five-star Google reviews
Feedback from homeowners in Waterloo and nearby Ontario communities.
Really solid service. They showed up when they said they would, found the problem, and explained the options. The price was discussed before the work began. Everything has been working well since.
We called Flowline for a blocked main drain. The plumber diagnosed the main line blockage and cleared it thoroughly. The difference was immediate and we have had no backups since.
This was our first time calling Flowline Plumbers, and the experience was excellent. The plumber arrived when expected and explained the issue in plain language. The work was completed neatly and everything was tested before the appointment ended.
We had been putting off the repair because we expected it to be a hassle. The appointment ended up being very straightforward. The plumber answered our questions, completed the work carefully, and cleaned up afterward.
Our toilet had been running constantly and wasting a surprising amount of water. They identified the worn components and completed the repair efficiently. The problem was fixed in one visit.
05 — FAQ
Waterloo Plumbing FAQ
Common questions from Waterloo homeowners.
- Can you coordinate plumbing for a duplex renovation?
- Yes. We map shared lines, plan shutoffs, and stage work so both units aren't down longer than needed.
- Do you install tankless heaters in newer Waterloo subdivisions?
- We install and service tankless and tank units sized to your gas or electrical service — with code-compliant venting.
- How fast can you clear a clogged main drain in Waterloo?
- Same-day when possible during our hours, 7am to 11pm daily. Active backups get priority.
Nearby service areas
EST. 2003


