A & A Plumbing
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A & A Plumbing
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 don't have sales people. When you inquire about an estimate on repipe or HVAC Install, we won't have a salesman call on you. What you will get, is a professionally prepared proposal -- and a member of the management team who will take time to answer all your questions and address any Concerns you may have regarding the job.
Services
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.
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 (16)
Scott H.
Scott H.
Jul 01, 2021
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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
Scott Hobin
Scott Hobin
Jun 30, 2021
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Positive: Professionalism, Punctuality, Responsiveness, Value
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: Leak investigation and repair
Pete B.
Pete B.
May 16, 2021
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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.
John J.
John J.
Apr 13, 2021
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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
Marion Malvini
Mar 22, 2021
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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
Ada H.
Ada H.
Sep 18, 2020
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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
Sunil K.
Sunil K.
Jul 10, 2020
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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
William Cheng
William Cheng
Nov 20, 2019
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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.
Greg W.
Oct 18, 2019
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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.
Alan M.
Oct 02, 2019
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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
Elaine Lahey
Elaine Lahey
May 07, 2019
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Fast, efficient, courteous and reliable. All my service providers should be like this firm.
Jason H.
Jason H.
Jan 30, 2019
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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!
Gwen D.
Gwen D.
Oct 31, 2018
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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.
Dave P.
Dave P.
Nov 21, 2017
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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.
Christine S.
Christine S.
Jul 08, 2016
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I had used A & A Plumbing before when my heater wasn't working in December. They were one of the only people who could help because of the type of system we have and everything went smoothly with that interaction.

Fast forward to now, when my air conditioner needs attention and I decide to call them again since everything went so well last time. On Tuesday I called in the morning and left a voicemail because no one answered. I called later in the afternoon and still no one picked up. I called Wednesday and still no one answered the phone. On Thursday, the phone was finally answered but
Jim Pitts
Jim Pitts
Nov 09, 2012
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Great service today! Thanks for the fast appointment and a great plumber! I'm keeping your number handy!