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A & A Plumbing Supplies Service A full service, family-owned Plumbing Company located in Sunnyvale California and serving San Mateo and Santa Clara Counties from San Carlos, Palo Alto, Redwood City, Mountain View, Cupertino, Los Altos, Santa Clara, Campbell, Saratoga, Los Gatos and South San Jose since 1947. We are the oldest plumbing company in the City of Sunnyvale. We also install and service heating, air conditioning and HVAC systems. A&A Plumbing is a member of the Better Business Bureau of Silicon Valley and the Sunnyvale Chamber of Commerce.
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Having been in business in Sunnyvale for 70 years, we're one of the oldest and most stable of plumbing shops in the South San Francisco Bay Area. Our working owners take an active part in the day-to-day operations of the company, to assure our customers of many future years of personal, quality service.
We are a full service plumbing company in Sunnyvale and routinely complete jobs from as simple as fixing a leaking faucet to replacing a boiler or video inspection of your sewer lines and drains. Call us about any of your plumbing needs! We serve many cities in the South San Francisco Bay Area.
Installation of a Geothermal Heat Exchange System can REDUCE HOME HEATING AND COOLING COSTS BY 50-70%. As our existing supplies of natural gas and propane begin to dwindle in the future, it becomes even more important to look towards alternative sources of energy. The earth itself holds great potential for heating and cooling, and it can be harnessed for domestic use.
Mr. Slim ductless heating and A/C units offer an attractive alternative to unsightly window-mounted heating and cooling units. Perfect for spot cooling or heating of any room, Mr. Slim ductless units are efficient, quiet, and environmentally friendly. Since there is no duct work to install, installation is simpler and less modification is needed to implement the units in your home or business.
Reviews (26)
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Robert H.
Feb 03, 2022
A&A Plumbing, Sunnyvale, installed my new toilet. Mike, the owner was polite and professional. Perfect installation and he took away the 27-year-old toilet. Mike was friendly and offered a tip or two for maximizing the functioning of the toilet. The only less than ideal thing was, due to employee illness, they had to cancel a prior appointment. On that prior day I waited for their arrival, but they never came.

I even called three times, left 3 voicemails, but never heard back. If you decide to hire A&A Plumbing, I recommend that you check their website to get a discount that is available (as of January 2022) if the client pays other than with a credit card. It saved me $20. A&A Plumbing is located in Sunnyvale near Wolfe and Fremont.
Adele S.
Jan 24, 2022
I am very pleased with their swift scheduling of appt snd their timeliness showing up on time. Determined the issue with toilet and remedied immediately. I'll call them again if/when I have a plumbing issue snd will personally recommend them to my friends and neighbors
Scott Hobin
Jul 21, 2021
Great company and knowledgeable staff! On time, very efficient and explained every step of the process in full detail. The charges were very fair and reasonable as well. Highly recommend Service: Plumbing leak detection
Pete B.
May 16, 2021
Before using A&A, be sure to get a price quote in advance, especially for small projects. My project took less than an hour and I was charged about *double* the average hourly rate. In my case, I was told afterward it was a flat rate price. Learn from my mistake and get a quote. If no quote is provided, go elsewhere as there are many competent plumbers with reasonable rates.
Kirk E.
May 11, 2021
Mike is transparent, fair and trustworthy in his under promise over deliver workmanship. He will point out if a competitor is overbidding or incorrectly diagnosing a problem. His team creatively solved a drain mainline issue without having to replace the entire line. Highly recommend but almost don't want to because too many will fill up his calendar :-
Maggie E.
Apr 29, 2021
Re-piped my house and took care to clean up after all adjustments in walls. Excellent staff and did everything I requested.
John J.
Apr 13, 2021
Move ahead to April 2021, and we have a toilet whose pedestal is leaking at the base. We worried that this could rot the subfloor. A&A came promptly and fixed the problem, not as severe as we had feared. The technician was effective and polite. Strange side effect, though: tried to call to thank them, for two days, and the phone was not answered (did not want to leave a message). I called both the Palo Alto (650) and Sunnyvale (408) numbers, with the same non-result.
Marion Malvini
Mar 22, 2021
I called a number I taken off of a purple van one day because I like purple and it turned out at a later date I I needed a plumber for a slight emergency. I called and reached the owner on a Friday evening. I did not have water running or leaking and he said if I could live with it though the weekend he would send a repairman first thing Monday morning and it would save me money.

The repairman arrived promptly Monday and fixed that problem. In the meantime we had other plumbing issues. The man returned and removed and installed a new garbage disposal and fixed some other issues we realized needed attention. They're truly a full service plumber, very experienced and professional. I'd call them any time if I have any more plumbing problems. So far so good.
Alan G.
Mar 11, 2021
Have used A&A for years and always grateful for their honesty and fairness. Rosendo and Issac were here today and the service and professionalism we're outstanding!
Ada H.
Sep 18, 2020
Called the business to unclog a kitchen sink. They told me over the phone that they would send people to take a look and give me a quote. Two people showed up at my house and started taking tools out of their vans. I asked them to give me a quote before they start. They said since they could not find sewer cleanout in the yard, it costs $225 to clean the pipe through roof, and it would be $189 if they don't need to do it through the roof.

They put snake in the pipe through the roof but it did not work. Then they came in kitchen, removed the p-trap, put snake in the drain and that worked. However, the p-trap started leaking when they put it back on. That p-trap never leaked before. I asked them why the p-trap is broken after cleaning. They said the p-trap is old and easily to break after they used snake to clean the pipe.

Then they went to their vans, got a new p-trap and put it on. In the bill they charged $252 for replacing the p-trap, a work took them less than 5 minutes (screw a few slip nuts), on top of charging $225 for unclogging the drain. And they said they will give me $100 discount because two projects are combined. I googled the p-trap model they wrote on the bill and showed them the market price is about $30.

They said their p-trap is from professional store and much more expensive. They threatened that if I do not pay the price they asked, they would remove the p-trap. I ended up paying $377 for unclogging a kitchen drain and a p-trap. DON'T USE THEIR SERVICES. FIND SOMEONE ELSE.
Stacey W.
Aug 14, 2020
A&A Plumbing is honest. They came out to repair the leak beneath my kitchen sink. It was still leaking afterwards so they told me what I paid would be applied towards what was needed to repair it. When they came back out, the problem was easily fixed and they didn't charge me. I also hired them to install 2 new toilets. Germaine was very professional & did a great job!

He wore shoe coverings, cleaned up and took the boxes and packaging with him. I still can't believe the link beneath my sink is finally fixed! You rock Germaine - thank you so much!
Sunil K.
Jul 10, 2020
Very bad experience getting this plumber to even respond to getting a quote for plumbing jobs at my house. Here is my experience thus far 1. Call the listed number 4087388878 multiple times only to get answering machine. Finally get hold of some lady on ph who takes my request to send someone to my house to take a look and give estimate for plumbing jobs 2.

A person arrives on time on agreed date next week and takes stock of all work to be done including pictures of sink, washer etc and says he will work estimate and I will hear back in 1-2 days. 3. No one calls even when 1 week has passed and I get in same cycle trying to contact listed number multiple times with no luck leaving voice messages and then finally after 2 weeks I manage to talk to Mike. 4.

After repeating the whole job list on phone like that onsite visit never happened, I still get no estimate and fleeting mention that yeah some helper had mentioned of this job at my house in Sunnyvale which Mike or whoever owns this plumbing service did not bother responding to. 5. I am told to send all job info that I went over 2nd time on ph and once in person by sending mail this time to purpleplumbers@gmail.com.

I shamelessly do that right after my call with Mike and am assured I will get estimate quickly. 6. Dead silence for rest of work week after resending all info on mail and I am back to trying to call the listed number just to know what happened. If it takes over 3 weeks just to get A&A plumbers to get estimate I am very sceptical about this companies customer service and ability to take up and complete jobs on time. They simply don't seem to care :- I go somewhere else and get estimate within 24 hrs and jobs are starting next week. Would you still want to go with A&A plumbing?
William Cheng
Mar 12, 2020
Poor service. They did some decent work for me in the past, but lost me as a customer after I made an appointment 2 weeks in advance for nonurgent work, rearranged my schedule to be present, only to have no one come by. When I called their number to find out if there was a reason for the delay, I only got a voicemail. I left a message, but never got a call back. No one ever showed up nor called to reschedule or even apologize.
Greg W.
Oct 18, 2019
Mike arrived at our house in Sunnyvale and plumbed our aquaasana water filter system. Mike not only did an excellent job installing the system but also recommended a bypass In case we wanted to bypass the filter during any maintenance work on the filter system. The system turned out much better than I had anticipated. Thank you Mike.!
Alan M.
Oct 02, 2019
I needed some help with the laundry drain at my house in Sunnyvale. The standpipe was leaking and the whole drain pipework was old and corroded. There was some problem with scheduling my job at the office which left me stuck waiting hours at the house.my phone messages took a long time to be returned. When Germane finally arrived to do the work he was great! - cut out the damaged iron pipework in the wall and replaced with new ABS fittings to get things back working again. - price was very fair for what turned out to be a bigger job than I expected I'm keeping these guys number in my phone.
Reb M.
Jun 21, 2019
Rosendo arrived early! He was friendly and helpful. He looked at the job, and went to work. Needed to cap a pipe that had no threading. 15 minutes and it was solved. Quick and done. We are Happy. R and L morison
Elaine Lahey
May 07, 2019
Fast, efficient, courteous and reliable. All my service providers should be like this firm.
Jason H.
Jan 30, 2019
Mike and Larry are fantastic. We had a tricky situation where the flame for our water heater would go out. The first time they came out they couldn't replicate the problem and they didn't charge us. They squeezed us in their busy schedule later and was able to address and replaced the part that was causing the problem for a very reasonable price. If you have any kind of plumbing or heater issues give them a call bc they're the best!
Cindy K.
Jan 13, 2019
I would highly recommend A&A Plumbing. Dominque was able to schedule an appointment within a day after calling. She sent Rosendo to do the job. What a great job he did installing a new toilet and removing the old toilet. I was so impressed with him all the way around. His expertise, professionalism, workmanship, etc. I highly recommend him and I plan to recommend him and the company to anyone I know who needs plumbing services.
Gwen D.
Oct 31, 2018
This place is a ripoff, our shower is dripping and we called A&A to come and have a look. Larry came and it was a small job and took about 10 min to replace a small part, the bill came out to be close to $400 (325+$60 house call). The cost is disproportionate to the work. I don't recommend this place to anyone.
C. R.
Feb 19, 2018
Overall a very good experience when things go wrong with plumbing or heater problems. I have used their services for a variety of issues over the years: plumbing, garbage disposal, faucet replacement/repair and wall furnace. Pricing for the work was reasonable. Our recent work involved a wall furnace that needed to have some work done, including a new thermostat.

Though it took awhile to get the new wall furnace part (tech had to purchase it at another city), the work was well done. However, about a month later, the new thermostat (non-programmable, manual type) decided to stop 'clicking' to turn on the heater. We were still under warranty and I called A&A Plumbing to explain the situation. A&A Plumbing tried to see if we could get squeezed in to their busy schedule for the same day or the next.

To our surprise, we got a call back and were able to get help on the same day, since someone was already in our area. Great timing! The issue was solved and heater now works. I recommend A&A plumbing and I will continue to contact them for any future issues.
Dave P.
Nov 21, 2017
Mike and his staff are professional, efficient and on time. We have used A&A for over a decade now and they have always been honest and thorough. Most recently, today, they came only a day after we called at the appointed time. They came in and replaced the failed faucet, no issues at all. Now they may not be the lowest cost option but they do the work right the first time and never try and sell you more than you really need. I highly recommend A&A Plumbing.
Peter H.
May 10, 2017
Our upstairs ensuite has 2 sinks, and neither one would drain. If you poured water into one, it would come up in the other sink. I removed both traps, and they were clear. Each sink pipe disappears at an angle into the wall underneath the sink, so you cannot access the area where they join the down pipe. We tried the Home Depot "Grease and Hair Remover" drain cleaner, and vinegar and baking soda, but these made no difference.

I also tried a drain snake, but because of the bends, when I pushed it into one pipe under sink 1, it reappeared in the pipe for sink 2 and would not go down the down pipe to clear it. I even shoved a broom handle down the pipe under sink one hoping that the end of it would divert the snake into the downpipe when I pushed it into the pipe under sink 2, but no luck.

I also tried putting a shop vac into pipe 2 while I sealed up pipe one but that didn't do anything either! Also tried a toilet plunger when there was standing water in both sinks while we plugged up the holes and drain in the sink that wasn't being plunged. I ran out of ideas! The toilet and shower in the same bathroom were draining just fine.

We called A&A plumbing at 11:35 Monday morning. Jaime arrived at 1PM. He tried to snake the drain several times, but had the same issue- the snake reappeared in the pipe from the other sink. He finally had to bend the end of the snake to get it to go down the down pipe. Once he did this, he plunged several times with his rotating motorized snake and had to go down a long ways into the down pipe, but was able to clear the blockage.

The bill was $189 including a 1 year warranty. We were very pleased with A&A's responsiveness, and Jaime's result. The price seemed quite fair, since it costs $100 these days to get someone just to come to your house.
Sanjay G.
May 15, 2016
These guys are very unprofessional. They did not shown on their appointment and when i called back the lady told that my boss is busy and we may need to reschedule the appointment for other day. On other day appointment also no body showed up and no body picked up the phone. Do not waste time to work with these unreliable guys.
Jess Anders
May 27, 2013
Awesome honest people. Called for a quote and were the only ones I called that would be open and straight-forward. I wouldn't hesitate to tell my friends to call them.
Jim Pitts
Nov 09, 2012
Great service today! Thanks for the fast appointment and a great plumber! I'm keeping your number handy!