Pacific Plumbing & Pumping Services Inc.
“I called for service twice and both times, Mark sent guys within 2 hours to perform the repair and one time he came himself.”
Best Plumbers in Hamilton, ON
16 contractors listed · all 16 in Hamilton · 5 open 24/7 · 7 open weekends · 12 rated 4.5+
Data verified October 21, 2026
Greg's Plumbing and Heating Inc.
“This was our first contact with Greg's Plumbing and only a small job, but they jumped on it right away and completed as needed.”
Boonstra Heating and Air Conditioning
“It was a pleasure working with Nolan and his partner Zack who is being trained by Nolan, they go above and beyond and both together make a great team!!”
Hamilton Plumbing Solutions Inc
“I also wanted to add that the price was very competitive and well worth both the service provided as well the customer service I received.”
Pitton Plumbing & Heating Inc
“They were on time, honest and explained everything clearly so that we understood what the problem was.”
Guest Plumbing & Hvac
“Tongai and Josh were very professional, and explained everything that was done.”
Listed for homeowners in and around Hamilton, ON, these 16 companies cover plumbing work. Hours, licence claims and free estimate offers come from each company's own website. Ask about provincial workers compensation coverage too, since the work happens inside your home.
Area overview: Hamilton, ON
All 16 contractors we list here are in Hamilton itself. We have 20 contractors in Hamilton on file; this page shows the highest-rated 16. 15 of the contractors on this page have a rating, from 1.7 to 5.0 across 6,335 reviews; 7 have 50 or more reviews and 12 are rated 4.5 or higher. The topics that come up most in reviews of the contractors on this page are "price" and "quality". 5 are open around the clock; 7 are open on Saturdays and 5 on Sundays. 3 show a licence on their websites. 8 have ten or more years of experience, the longest 27 years. 7 offer emergency call-outs; 1 offers financing or payment plans; 4 give free estimates; 1 is family- or locally-owned and 1 lists coupons or special offers. We have a website on file for 14 of the contractors on this page; 14 publish a contact page and 8 list a public email. We count these figures across the contractors on this page; hours and prices change, so confirm the details with the contractor before you book.
Which plumbers listed for Hamilton take calls at night?
Cover at any hour is claimed by 5 of the 16 plumbing listings here. Before paying a night rate, shut the main off and see whether the trouble stops. If it does, book for normal hours and get the same repair for less. Confirm the after-hours rate on the phone.
Flow Plumbing
“Garrison and his crew showed up a couple hours after I called.”
TC Plumbing
“The service was very good if I needed anything else done he would be the first person I would call”
Mattina Mechanical Ltd
“Very successful business providing services to many sectors.”
Canadian Chemical Cleaning Services Inc
Flash Drains
“We have many horses and I was running back and forwards to the house to get buckets of water for them.”
K. Goertz Plumbing
“One shut-off valve was in the most awkward of locations (behind kitchen cabinetry installed by previous owner) and managed to replace the valve without incident!”
Aakar Renovations Inc.
“They are very professional and provide best services with very affordable rate.”
Plumbway Plumbing & Drain Cleaning
Besseling Mechanical Inc
“Happy to see that basseling mechanical played role in establishment of patients family area in mcmaster children hospital 🏥 highly appreciated thanks 👍🏼”
Balta B Plumbing Inc.
Why these companies made our list
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