Williams Sanitary Service

★★★★☆ 3.8 / 5 (17)
: 2500 Chestnut St, Brentwood, CA 94513
: (925) 634-4855
: http://www.williamssanitaryservice.com

Company Overview

Established in 1950 as a family business.

Let the professionals at Williams Sanitary Service, Inc. handle your septic work. For over 70 years, we have been committed to the Brentwood, CA community and its neighboring areas. Our services cover all aspects of septic systems for both residential and commercial clients. Choose Williams Sanitary Service, Inc. as your go-to for septic solutions. Call us now!

We are proud to be a local business in Brentwood, serving the East Bay area.

We believe in treating our customers with the respect and care we expect ourselves.

Business Services

  • Faucet installation
  • Garbage disposal repair
  • Plumbing inspection
  • Plumbing installation or replacement
  • Plumbing repair
  • Sewer installation
  • Sewer repair
  • Toilet installation
  • Water heater installation
  • Water heater repair
  • Water pipe installation
  • Water pipe repair

Business Location & Hours



Mon:8:00 AM - 4:00 PM
Tue:6:15 AM - 6:30 AM
Wed:8:00 AM - 4:00 PM
Thu:8:00 AM - 4:00 PM
Fri:8:00 AM - 4:00 PM
Sat:Closed
Sun:Closed

Recommended Customer Reviews

Diana B.
★★★★★

What a great crew! Worked hard, respectful, knowledgeable and while we hit some hiccups (no fault of theirs) they kept me informed and were cost conscious. Highly recommend Alberto and his team.

R F.
★☆☆☆☆

We were selling our house and the new buyers called out Williams to pump out tank and test system
During the test which require running water down the drainline using a hose. He had a nozzle on the end that made the flow harder and sharper. This guy kept pulling out the hose very sloppily and kept knocking leaves and dirt into the drain. He failed the system. He said it was only 23 min when water started backing up. It should last longer than 30mins replicating a 30 min shower
I got the gpm of a shower head which us .8gpm. 2 days later I did my own test. I used a flow rate of 2.5gpm and I got 77mins with no back up. I used twice the water and lasted over twice as long. The only difference was I only pulled the hose out every 15mins and didn't knock debris in the hole.
The engineer who I used is good friends with Williams. I had problems with engineer. One of the inspections the engineer was going to be. The engineer wouldn't call me back. This was my chance to confront him. Williams knew this and changed the inspection time and didn't notify me.
It cost me $36,000 for engineering and install. This whole industry is flawed
If I didn't keep a close eye on it
It would have cost ,,$60 to $80k
Because of the engineer
If you are putting in a new system, email me and I can share more info. Projectm851@gmail.com

Jodeen P.
★★★★★

Whether it was septic pumping, septic inspections, or septic installation, (when our old system failed after many years), Darren Williams and now the new owner Alberto Solorio have provided the same quality of service. Our new system is now large enough to provide service to 2 homes on the property. The costs were very reasonable and affordable with an easy time frame of payments as each stage of the job was completed. Alberto's mantra was always ""I want you to be happy"". Not something you hear much from a contractor. If you have questions or are considering using a sanitary service they do not charge you just to come see your property and access your needs. Their services are septic pumping, septic inspections, septic installation, operations & maintenance of septic systems, rooter service, full service plumbing.

Bonbons 4.
★★★★★

Prompt, courteous, knowledgeable, reasonable prices. Can't beat that! Will definitely call them again!

Mark H.
★★★★★

I don't know where to start!! From the call I made to the them in emergency! I didn't know about septic tank stuff! But they came out and had a great attitude and showed me thinks to make sure I don't have issues later! All I can say is thank you for your time and your amazing staff! Amazing process with a smile!! Once again thank you guys!!

Art J.
★★★★★

Third generation family business that has tremendous knowledge and professionalism. They know what there doing and will get your problem taken care of when they say for what they quote. They are simple the best.

Joan B.
★☆☆☆☆

They didn't do what they said they would do. They said they could do some repairs when they got here late they said they didn't do repairs. Would not recommend them ever.

Neveen D.
★★★★★

We hired Williams Sanitary Service to come out to our newly purchased property to help us figure out exactly was going on with the septic system there. From Amanda in the office to Kevin & Alberto in the field, every part of the process was handled effectively and efficiently. We had a unique situation and Kevin and Alberto were beyond knowledgeable, professional and really took the time to make sure we understood everything that was going on. They were like a super septic duo! I can't rave enough about this company and they will absolutely be the only service I recommend to anyone looking for help with septic!

James B.
★★★★★

Great company showed up here on Christmas Day to help me with my septic tank could not ask for a better company or proper service I highly recommend them for any service needs Jim B Knightsen California

Kristen F.
★★★★★

We've lived in our home on septic for 9yrs, the previous owners told us they could never find the septic tank after numerous attempts. We had tried to have the tank pumped out but no one at the county could tell us where it was. After talking with the staff at Williams they laid out a plan and sent out a great team to help locate our septic tank. In 7 minutes they were able to find a tank that had been hidden for 12+ yrs!
They quickly dig up both boxes, tested the lines, pumped it out, inspected the boxes and covered the holes like they had never even been there. Something that was haunting us for for years was fixed in a matter of hours! EVERYONE from the office staff to the guys in the field were so friendly and so professional!! I cannot say enough good things about the whole team! Thank you Williams Sanitation

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