#1
American Sanitation Inc
“American Sanitation is amazing. They helped provide last minute service for our event. Natalia is fantastic and we couldn’t be happier.” — Google review
Best Septic Tank Services in Richmond, CA
The 9 best-rated septic tank services in Richmond, CA average 4.9★ on Google across 1,786 reviews. American Sanitation Inc has the top rating (5.0★), and Roto-Rooter Plumbing & Water Cleanup has the most reviews (368). Updated October 28, 2026.
9 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (1,786 reviews combined) and currently operating. Request a call back and the company will phone you directly.
#2
Lifesaver Plumbing And Rooter
“Excellent service replacing my commercial water heater, fast, efficient, and Great price. Gave extra service at no charge.” — Google review
#3
Avalon Services
“I needed a storm drain scoped and cleaned ahead of this winter. Their estimates, timeliness, pricing, and quality of work were completely professional. They are now my go-to plumbing service. Would highly recommend.” — Google review
#4
El Sobrante Sewer Repair
“El Sobrante provided very good assessments of the upper laterals on several properties we own. They were prompt and thorough with the evals and providing solutions to our more serious repairs. I recommend them for…” — Google review
#5
Pipe Spy
“James came to my property to inspect my sewer lateral. He was super professional and also didn't mind my curiosity about his cool gadgets. He got the video and quote out to me for my lateral replacement within 24…” — Google review
#6
Val Betti Plumbing
“I always have a great experience with Val Betti. Their a very dependable company. Ryan is a very professional and knowledgeable plumber. He installed my new quarter turn knobs and sink faucet with ease. Thank you…” — Google review
#7
Roto-Rooter Plumbing & Water Cleanup
“Terrence is top notch! Roto rooter always comes through. Terrence and Bryce diagnosed the issues and rectified them very quickly. They also gave us information on a plan going forward to help lessen the chances…” — Google review
#8
Nelson Family Plumbing & Water Heaters
“I had an issue with my water heater and needed help fast. I called Nelson Family Plumbing & Water Heaters after searching for a reliable plumber near me. Diego showed up within a few hours and quickly got everything…” — Google review
#9
GTO. Plumbing and rooter
“Hardworking, reliable, and honest. Manolo and team did a great job finishing the plumbing on our bath remodel, they even helped identify and fix issues created by a different plumbing company.” — Google review
How we pick septic tank services in Richmond
We scan Google Maps for septic tank service listings in and around Richmond, keep only open businesses whose main category matches the service, and require a Google rating of at least 4.5 from at least 20 reviews. Companies are ordered by a confidence-weighted score that balances rating and review volume. We do not accept payment for placement.
Frequently asked questions
Who is the highest-rated septic tank service in Richmond?
American Sanitation Inc has the highest Google rating on our Richmond list: 5.0 out of 5 from 362 reviews (as of October 28, 2026).
Which septic tank service in Richmond has the most reviews?
Roto-Rooter Plumbing & Water Cleanup has the most Google reviews among the companies listed here: 368, with a 4.8★ average.
How are these septic tank services chosen?
Only open Richmond-area businesses whose Google category matches the service, rated at least 4.5★ from at least 20 Google reviews. They are ordered by a confidence-weighted score of rating and review volume. Placement is never paid.
Also in Richmond: Apartment Cleaning Services · Central Vacuum Installation Services