Plumbing Authority Inc
“I was looking for help with an urgent issue in my house and Robert was very quick, helpful, explained everything very well and was able to address the problem quickly, efficiently and professionally!”
Best Septic Tank Installers near Caledon, ON
These companies serve Caledon from nearby bases in towns including Bolton, Everett and Erin.
10 companies listed · 3 open 24/7 · 5 open weekends · 7 rated 4.5+ · 1 shows a licence
Data verified October 19, 2026
Allto Construction
“Does not matter if its a big job or just a question, they (the Team) always respond quickly.”
Scoles Septic Service Inc
“Quick turn around and awesome staff with a lot of knowledge”
Snow Brothers Contracting
“Glen and crew are great to work with, fast reliable and affordable products”
A-1 Septic Pumping
“Very professional from the phone call to book the appointment to the service guy that came out to clean out the septic tank.”
Tyson Construction & Septic
“I called him about a problem with our Aquarobic, and he showed up the next day, in a snowstorm, with a temporary spare unit and got everything up and running.”
The 10 companies listed for Caledon, ON design and install septic systems and replace failed leaching beds. Each company's own site is the source for its hours, licence claims and estimate policy. Ask who applies for the permit and who arranges the inspection before backfill.
Area overview: Caledon, ON
The 10 companies on this page are rated from 3.7 to 5.0 across 233 reviews; 1 has 50 or more reviews and 7 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (91%), responsiveness (86%) and punctuality (77%). The topics that come up most in reviews of the companies on this page are "price" and "knowledge". 3 are open around the clock; 5 are open on Saturdays and 3 on Sundays. 1 shows a licence on its website. 4 have ten or more years of experience, the longest 27 years. 3 offer emergency call-outs; 1 gives free estimates and 2 are family- or locally-owned. We have a website on file for 7 of the companies on this page; 7 publish a contact page and 5 list a public email. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
What should I look for on an installer's website?
7 of the 10 listings link a website. Look for photographs of real installations rather than stock images, the tank and treatment brands they work with, and whether design and soil work are in house. A company that only digs will subcontract the part that actually gets approved.
McIsaac Septic Pumping and Drain Service Ltd
“If you're looking for a GET IT DONE company to solve your septic problem (and dont need good phone manners) then call McIsaac Septic and you will be real glad you did.”
JG General Services
Santos Drywall Inc
Dbtaping
“Ed did a excellent job with the taping and mudding and even helped fix a few issues.”
Why these companies made our list
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