Cottage Country Stone Ltd.
“They are professional, always on time, work was done within promised timeline and communication was always excellent.”
Best Septic Tank Services near Gravenhurst, ON
3 of these companies are based in Gravenhurst; the others serve Gravenhurst from towns including Bracebridge, Bala and Midland.
4 open 24/7 · 8 open weekends · 20 rated 4.5+ · 4 show a licence
Data verified October 16, 2026
B & B Sanitation Svc Ltd
“We appreciated his advice and information, and will continue to take good care of our septic system by calling B & B.”
Muskoka Excavation & Septic Inc.
“I'd highly recommend this company, there drilling, blasting, and excavation skills are of the highest quality.”
Aaaa Sanitation
“Derek informed me that the tank won't need to be pumped for another couple of years, cleared the blockage in my tank and only billed me for the service fee.”
Absolute Landscaping
“Jason the owner and team are top notch- very professional and also super friendly and helpful.”
Cowden's General Contracting Ltd.
“We were very impressed at how quickly all the materials arrived and the expertise in which the entire system was built.”
The 24 companies listed for Gravenhurst, ON pump and service existing septic systems. Hours and service claims come from each company's own website. Ask what the quoted visit covers and whether they charge extra to locate or dig out a buried access lid, which is where surprises appear.
Area overview: Gravenhurst, ON
23 of the 24 companies on this page have a rating, from 4.0 to 5.0 across 585 reviews; 3 have 50 or more reviews and 20 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (93%), responsiveness (81%) and quality (78%). The topics that come up most in reviews of the companies on this page are "price", "communication" and "cleanliness". 4 are open around the clock; 7 are open on Saturdays and 6 on Sundays. The services the companies on this page list most often on their websites are demolition (2), landscaping (2), septic pumping (2) and septic systems (2). 4 show a licence on their websites and 1 lists staff certifications (WETT). Domain records put 10 websites of the companies on this page at ten or more years old; the oldest dates from 2004. 4 offer emergency call-outs; 4 give free estimates and 8 are family- or locally-owned. We have a website on file for 23 of the companies on this page; 20 publish a contact page and 20 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.
Do pump out companies listed for Gravenhurst work on Saturdays or Sundays?
Weekend availability shows on 8 of the 24 listings for Gravenhurst. Routine pumping schedules easily on a weekday and normally costs less, so keep weekend slots for a tank that is genuinely backing up. Book well ahead in autumn, since everyone tries to get done before freeze-up.
Professional Home Inspections
“Incredibly thorough, took his time to explain everything to us, and we never felt rushed.”
Rieger Contracting
“The Riegers designed and created the drainage needed and built the road surface to last.”
Ted Smith Contruction
“Ted Smith construction recently did the excavation for our new home, and additional services on the property.”
Archer's Barging Services Ltd
“They always do a superb job.”
MSR Landscaping
“MSR were fantastic we had post installed outstanding job highly recommended”
K&K Excavating
Call
“When working on Bigwin Island we always know we can call call of the wild.”
Cottage Septic & Plumbing Services Inc.
“Jason helped us through the whole process and was very responsive and help guide me through the new rules and what needed to be done for todays coded.”
Northern Sanitation Co
“Helpful, reliable, very knowledgeable about all things septic , responds quickly in emergencies -simply the best!”
Charles Morden Construction Inc
“Consider yourself fortunate to be a Morden client!”
Pepi Sewage Disposal Svc
“Very informative and willing to spend the time to educate us on the system and the do's and don'ts of a septic system.”
Bob Cowie Construction
“Couldn't be happier with the quality of the work on our driveway project.”
Top Notch Landscaping Inc.
“With David at the lead, he and his hard-working team more than met our expectations!”
Lou Sahanatien Haulage
Schlager Excavating & Landscaping
“In 7 days his crew built a sloped driveway, retaining wall with gardens, a granite slab fire pit area and placed steps, built pathways, layed soil, mulch, and the best part was that the crew left the place SPOTLESS!!!”
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Canadian Sanitation
“Got the job done efficiently and then shared some insights about ways to make the tank last longer as we have an old cement tank.”
Shepherd Environmental Services
“Great service, they were a bit spotty with the time but the truck showed up just before lunch time so that was fun.”
Bullock Septic
“Septic tank was pumped, operator was friendly and answered all my questions.”
Why these companies made our list
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