Paul Anderson Drain Cleaning Inc.
“The first technician quickly identified that the issue was with the pump, not the drain, and had another technician at my home within an hour.”
Best Septic Tank Installers near Warwick, RI
3 of these companies are based in Warwick; the others serve Warwick from towns including Rehoboth, MA (11 mi), West Warwick (3 mi) and Cranston (5 mi).
3 open 24/7 · 9 open weekends · 11 rated 4.5+ · 5 show a license
Data verified October 16, 2026
Green Wastewater Solutions
“Highly confident in their ability and would refer them in a second to anyone that asked.”
Kirby Brothers Construction
“Great job clean up good very caring about the property.”
D'Libro Excavating
“Henry and his crew are professional, timely, courteous and get the job done as discussed and outlined.”
Travers Plumbing & Heating Inc
“I called after hours and left a message, and by 8:30 am then next day I had a return call.”
Proseptic
“We had our septic pupped today and they were very personable and professional.”
The 15 companies listed for Warwick, RI design and install septic systems and replace failed drain fields. Each company's own site is the source for its hours, license claims and estimate policy. Ask who pulls the permit and who schedules the health department inspection.
Area overview: Warwick, RI
The 15 companies on this page are rated from 3.4 to 5.0 across 1,087 reviews; 5 have 50 or more reviews and 11 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise responsiveness (88%), professionalism (84%) and punctuality (68%). 3 are open around the clock; 9 are open on Saturdays and 4 on Sundays. 5 show a license on their websites and 6 have a BBB rating of A or A+. Domain records put 11 websites of the companies on this page at ten or more years old; the oldest dates from 2004. 3 offer emergency call-outs; 5 give free estimates; 6 are family- or locally-owned and 3 list coupons or special offers. We have a website on file for all 15 of the companies on this page; 13 publish a contact page; 11 list a public email and 2 take bookings online. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Why are installers from outside Warwick listed here?
3 of the 15 listings show an address in Warwick and the rest sit within 15 mi. This is rural work by nature, and crews with the excavator and the design experience cover whole counties. What matters more than the distance is whether they routinely permit through the same health department that reviews your site.
Town Sanitation
“Very friendly, helpful, and knowledgeable when I first moved to town and had never dealt with septic before.”
P Ialongo Building Co Inc
“It is common practice to obtain 3 bids on a vinyl siding home improvement project, but after I met Peter Ialongo, I cancelled the other 2 estimates.”
Croome Sanitation Inc
“I am a repeat customer who will continue with Croome Sanitation services.”
Friendly Septic
“These are real people Who work hard to take care of the customer and explain things in such a way that the average customer can understand.”
H&R Paving and Excavation
“This is my third visit from Ocean State I see no reason to use anyone else.”
Mumford Services
“Very neat, and we are so pleased with the work they did.”
Diversified Services
“They are very understanding, great pricing, products, and the fastest service !”
Fernco Services Inc
“He patiently walked me through some self checks to determine that I didn't need his services but needed a rooter service.”
A & C Site and Septic Contractors
“We are adding an addition and a driveway to our home, and while dealing with harsh conditions snow, rain and mud they were there to help.”
Why these companies made our list
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