DWP Plumbing
Company Overview
DWP Plumbing delivers around-the-clock emergency plumbing assistance. We specialize in pipe replacements, plumbing repairs, and installing faucets and fixtures. Are you dealing with a pipe leaking sewage in your crawlspace? No need to worry, we can take care of it and create a safe environment for our work while ensuring your family's safety.
With over ten years of experience in the San Francisco Bay Area, we also have six years of experience in water damage, sewage cleanup, and crawlspace remediation as well as mold remediation. We are dedicated to delivering dependable plumbing solutions to our customers.
In September 2004, I started my journey with Roto Rooter located in Burlingame, California. I worked in numerous cities from San Francisco to Sunnyvale and from the Coast to the Bay. I rose through the ranks within the company, initially working as a sewer and drain technician and advancing to a level four plumber in just a year and a half. I became eager to learn all about plumbing, having worked in customer service for 13 years prior, I understood that if I could master plumbing, I could deliver an exceptional plumbing experience for my clients. As plumbing became second nature, I was able to articulate the problems my customers encountered and offer a visual representation of the issue and its resolution. Drawing from my customer service experience, I made it a priority to keep my customers updated about the progress of my jobs and any required changes, this approach made me a complete plumber, and this motivated me to establish my own plumbing company.
Business Services
- Bathtub installation
- Bathtub repair
- Drain installation
- Drain repair
- Faucet installation
- Faucet repair
- Garbage disposal repair
- Plumbing inspection
- Plumbing installation or replacement
- Plumbing repair
- Sewer installation
- Sewer repair
- Shower installation
- Shower repair
- Sink installation
- Sink repair
- Toilet installation
- Toilet repair
- Water heater installation
- Water heater repair
- Water pipe installation
- Water pipe repair
Business Location & Hours
Mon: | Open 24 hours |
Tue: | Open 24 hours |
Wed: | Open 24 hours |
Thu: | Open 24 hours |
Fri: | Open 24 hours |
Sat: | Open 24 hours |
Sun: | Open 24 hours |
Recommended Customer Reviews

I've been waiting to write this review since day one of groundbreaking. The short version of the work performed is posted below. For those of you who know San Mateo, we live in the Shoreview/Parkside area, east side of Hwy 101. The homes in this area were developed in the early to late 50's. One major known problem with these homes are the shifting soil along with terra-cotta sewage drain lines to the city main.
Growing up on this street I now live on, I recall multiple homes in my area with the same problems. Within the first year of purchasing our home, we experienced a pretty severe clog in our pipes. I started with a household snake, Drano, took apart some pipes with no results. I rented a 75 ft. powered snake from Home Depot using the ""cutting bit"", I began to pull tree roots from my sewage line that attached to the city main.
It was a temporary fix for a lifetime of problems to follow. I contacted Roto-Rooter to run a camera through my pipes to see what problems lay underneath. Needless to say, the video reveled multiple problems, such as roots finding their way between the terra-cotta connections, a crack where the pipe 45'd down to the city main and a disconnection at the city main with a 2 in. drop.
After years of applying bandaids to this system, it finally failed.
Talking to my neighbor, she highly recommended Mr. Waller Plumbing Services (DWP). She proudly showed off DWP's professional work. I personally know Mr. Waller but I did not know the extent of DWP plumbing company or experiences. I knew for a fact, this was not going to be an easy task. Very labor intensive even for the ""Big"" plumbing companies out there.
I contacted Mr. Waller to come out for an estimate. Mr. Waller was comforting, easy to talk to and quickly erased any doubt/anxieties as he described in great detail how the the work was going to be performed. He described possible foreseeable issues which they may encounter during the process. Such as the break at the the city's main wye.
We negotiated a very reasonable price, much less than the ""Big"" plumbing contractors out there and immediately got to work.
Note:
We we used the City of San Mateo, Sewer Lateral cost sharing program which pays half of the cost of repairs up to $5000
The initial plan was to Pipe Burst but the damage to the pipe was so bad, it would not be feasible. The only method was to trench the pipe across the entire yard to the city main. I did not think it was possible for them to dig out 70 years of packed soil and clay. The soil here is pretty much concrete.
DWP exposed the entire line, starting 3-4 ft. down near the house to an amazing 10 ft. down to the city main. We were all amazed at how the pipe 45'd down 10 ft. to the city main. The city main itself was a 10 in. pipe. As DWP suspected the wye at the city main was broken at the main, leaving no material to repair and/or connect to. DPW dug out the remaining section of the 10 in. main and spliced in a brand new section with a wye.
Upon completion the City of San Mateo's building inspector came out to inspect the repair and was extremely impressed with the work DWP performed. DWP supported the sewage pipe with bedrock/gravel and patiently back filled the trench allowing the soil to settle uniformly. We asked Mr. Waller not to install the concrete Christy boxes until we figure out what we want to do with our landscape.
In conclusion, we are extremely impressed with Mr. Waller's professionalism, honesty, commitment, hard work ethic and dedication to his craft. We highly recommend DWP for your plumbing issues. His work left a long lasting impression, one which caught the attention of my neighbors including my parents that will be requiring the same service for their sewage line.
THANK YOU DWP FOR SUCH AN AMAZING JOB!
Short version of DWP work performed
? assessed job honestly, professionally and in great detail. Foreseeing possible problems which may and did lie underneath
? used professional equipment such as cameras, locating devises, excavation tools/equip, as well as plumbing tools/equip.
? replaced the entire sewage line
? spliced and repaired a section of the 10 in. city main and wye
? installed two clean-outs. One near the city main and one near the house.
? supported the pipe underneath with bedrock/gravel
? patiently backfilled the dirt allowing it to settle properly, packed tight as possible
? in the photos you will see the clean outs. We requested DWP not to install the concrete Christy boxes until we figured out how we are going to landscape the yard.
? City of San Mateo building inspector was thoroughly impressed with the work performed and passed with flying colors. All permits and documents were properly accounted for and approved
Ref:
DWP Services:
http://www.danawallerplumbing.com/
City of San Mateo, Private Sewer Lateral Cost Sharing Program:
https://www.cityofsanmateo.org/1910/Citywide-Private-Lateral-Cost-Sharing-Pr

We had an unexpected issue with our toilet. We contacted Dana and he was very professional, he answered our questions and assured us he would be able to come out and help us with such short notice.
When he arrived he was considerate of our home and did the work quickly and effectively.
Thank you, Dana!

Dana Waller did work for us a few years ago to install outside water filters & were very happy with the work.
Called Dana recently to help with a clogged pipe. Wonderful response on the phone, he said don't worry, we'll find it & fix it. After waiting 5 days for our appointment, he was to arrive between 9-10 a.m., I had everything arranged for this appointment but apparently he did not. After a couple hours of waiting I called to see if he was still coming. Left my message, did not hear from him again, he never called. He was a no-show all day, all day waiting, not knowing. Dana Waller totally blew me off. I cannot ever think this is a person one should hire for services if he doesn't have the decency to call and cancel or say he doesn't want to do the work. Very unprofessional.

If your looking for EXCELLENT CUSTOMER SERVICE AND PLUMBING WORK, DWP IS THE COMPANY YOU SHOULD HIRE. They performed a huge job at my home, replacing many pipes under my house and in the walls. They not only arrived at the time they said they would, but they worked 12 hours a day. They kept me informed every step of the way, showed me pictures and explained clearly to me exactly what needed to be done and why. They cleaned up after the job was finished. DWP team went above and beyond to get the job done correctly, with great service and at a good price. If you want to hire someone with integrity, Dana and his crew are the people to hire. I will definitely use their services again.

I am not very good at this putting words together but wanted to try to write about this service/
Dana was referred to us. After my husband called him and he came over and gave estimate and right away my husband told me that he like him right off . the rate he gave us re piping the house my husband was very happy with very reasonable. We were very happy about them not having to walls in the bathrooms like other plumbers had told us. Also Dana and his workers were very professional (covered the rug when they had to come in and out of the house. Dana was very good about letting us know about something that was not foreseen before just doing and even then we were happy with the price. Not only did the he do the re piping also fixed leak under the house and made sure open spaces under the sinks and outside were closed off. Yes, we would recommend him to our friends and family.
The Hicks, on Seville Way very happy customers!

Dana was great with his customer focus and professionalism. He replaced the entire sewer line at a very fair price. I highly recommend his plumbing repair services.

My aunt hired this man to come in and work on her mobile home before being sold in Sunnyvale.
- He mixed water lines up on the faucets. Which required her to hire another person to come and fix this.
- He took shower door frame off and didn't put back on
He was also hired to do extra things for example painting and flooring.
- He cut flooring inside home leaving dust all over
- He got paint on leather furniture
- Paint on new floor
- Paint on ceiling fan
- He left mess behind
- He used property as storage for other jobs
- Stored food and drinks in fridge with out asking for permission.
- promised work to be finished within 2 weeks but took 2 months and only finished because aunt wasn't going to pay because unfinished work. Which was holding up sale process of her home
This man is unprofessional and makes excuses for why he doesn't finish or show up. Then turns around and sends nasty email to my aunt
He had 2/3 of her money and left her home in disarray before finally hurriedly finishing and cutting corners to finish. My aunt finish paying him the last third just to be done with him and hired another contractor to fix and finish all his mess ups.
I took these pictures for my aunt to document this man's shoty service. In hopes that he doesn't take advantage of other older single woman.

Good quality work. Fixed me up and did not cut corners. Cut my walls straight and neat. No mess left behind. Very funny guy too lol. Will keep the magnet on my fridge.

My mom who lives in Menlo Park sewer line broke left her with a horrible smell a sewage everywhere in the crawlspace after calling around and getting pushed off until the following Monday because no one wanted to get down there with the sewage in there. I ran across Dana Waller plumbing, he can out immediately and let us know that she had 20 feet of pipe that needed replacing and a 10 x 20 area of standing sewage, poor guy had to clean the sewage before he could reach the problem. He did a great job ,the pipes working fine and the smell has been replaced with well not sure why he used but 4 days later and it still smell great. I would definitely recommend Dana for any plumbing/crawlspace issue . Thanks Again for takin care of my mom

I HIGHLY recommend Dana Waller Plumbing! He is very professional, friendly, efficient, and knowledgeable! We needed to hire a plumber that would take care of our major drainage break issue and he did not let us down...he assessed the project, answered our questions thoroughly and gave us a great quote! We were truly happy with the services they provided and would hire him for future projects!!!