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    Kratzer Plumbing

    4.9 (216 reviews)
    Open • 7:30 am - 5:00 pm

    Services - Kratzer Plumbing

    Plumbing inspection

    Kratzer Plumbing Photos

    Recommended Reviews - Kratzer Plumbing

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    Reviews With Photos

    Jeff A.

    We had a corroding hot water supply line under a sink that we wanted to replace. Unfortunately we have galvanized pipes, and Lee was worried that working on the top part under the sink could actually cause something to break down under the house. He suggested that we get all the galvanized (very old galvanized from 1956!) replaced with copper, not a job he actually does so this was not an effort to up sell us. We have used Kratzer plumbing before replace a hot water heater, and we were happy with their work so that's why we had them back. Because he did not perform any plumbing work, he chose not to charge us. Talk about honesty! I will call Lee back every single time from now on!

    Well, it all started when the shower handle broke off ...the stem actually broke! I didn't even know that could happen. To top it off, it was Dec 31! After calling a few places we were fortunate enough to find Lee. He understood the issue and was able to replace the shower cartridge even though there was no stem left to pull on. Great knowledge and skill, appreciate the great service!

    Lee snaking our clean out.

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    3 months ago

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    11 months ago

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    6 years ago

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    3 years ago

    The best plumber you can get. So patient, experienced, easy to work with. Can't recommend enough!

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    6 years ago

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    6 years ago

    Lee is very responsive and honest and does good testing of the issues. Highly recommended!

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    6 years ago

    Professional, knowledgeable, and quick! Glad to do business locally especially when it is high quality.

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    8 years ago

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    6 years ago

    Our go to plumber! Informative, reliable and capable. You cannot go wrong . Lucky to have found him!

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    7 years ago

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    Page 1 of 6

    Ask the Community - Kratzer Plumbing

    I was just wondering how much it would be to replace the wax under a toilet that is leaking water from the side?…

    Hi Vickie, for a regular wax seal install the cost is about $230. I charge $200 per hour with a one hour minimum plus any parts. The wax ring is $8, new brass bolts are $8, new flexible supply line $12, bolt caps $2. In most cases this job only… 

    Anyone know the actual phone number here? Every time I try to call it goes to EJ plumbing? Thanks!

    Hi Kelley, we were closed for the week and had the phone forwarded to EJ. Our phone number is 650-279-1834. We are closed weekends and respond to text. We are a one man shop and are typically booked 3-4 days out

    Install new toilets and gets rid of old ones?

    Yes, Lee does that. He installed a new toilet for us, and even advised us on which models to purchase, in terms of reliability/performance - talk to him before you buy! He was very meticulous and very careful to keep our house clean. He will… 

    View All 4 Questions

    Review Highlights - Kratzer Plumbing

    “Luckily, Lee had a last minute cancellation so he was able to come later that afternoon and fixed the issue in 2.”

    Mentioned in 137 reviews

    Read more highlights

    Handy Plumbing Man - Handy Plumbing Man provides reliable drain, sewer, leak detection and water heater services throughout San Carlos.

    Handy Plumbing Man

    (1.3k reviews)

    Today we had a service call from Handy Plumbing Man. The technicians were Patricio Lozano and…read moreBrayen Duenas. They were both very professional, courteous and honest. I have used this company in the past for my plumbing needs and would highly recommend them

    Had a camera inspection to check my aging sewer lines which revealed root incursion. I decided that…read moreit was time to replace the cast iron pipes to ABS. The initial sales, pricing, scheduling, and first part of work were all fine. They came on-time and finished the job on-time pending final city inspection. They asked for payment and I provided and then things unfortunately became very unpredictable. I had to keep calling the office to find out when the inspection was going to be. Then the inspector came but the Handy team did not show up. Also after they finished work I discovered I was missing a set of extension cord! Nothing else was amiss so I think they probably just used it and took it by mistake? The whole billing process was also weird where they never provided me the signed copy of the contract. Now I have 2 large holes and debris piles in my front yard with caution tapes for 2 weeks and counting. I should not have trusted these guys as much I guess, so be forewarned before you go through with these guys. 2 stars so far because I believe the crew's initial job is decent, but the sales and office coordination give me an uneasy feeling. It's too bad because I really wanted to like these guys and thought they did a good job initially. I will have to update this review whenever the inspection occurs.

    #1 Honest Plumber - Before

    #1 Honest Plumber

    (332 reviews)

    Highly recommended!…read more My wife am I own an aging 1 bed/1 bath condo in Sunnyvale. I've been shopping around for months for a reasonable, honest and preferably independent plumbing service to replace the old degraded water supply line shutoff valves under our kitchen and bathroom sinks. Three never got back to me after initial contact and discussions. One seemed overpriced. Eddie / #1 Honest Plumber, on the other hand, was very responsive, honest, reasonably priced and pleasant to work with. I will definitely be contacting them again for any future plumbing concerns.

    Highly recommended!…read more I needed help to finish a botched faucet removal and replacement done by a previous plumber (i.e., yours truly!). The job was complicated by 16 years of rust and hard water and pre-existing terrible cracked granite countertops that hadn't been sealed and protected well at all around the faucet area. Eddie was able to schedule me within 48 hours of my call and Jorge from #1 Honest Plumber showed up ready to go. He inspected the issues with my sink and gave me an extremely reasonable flat-price quote to do the work. I agreed and then watched as Jorge did a skillful surgery to excise what remained of the old faucet, patched up my terrible granite like a dentist would patch up a cavity, and installed and tested my new faucet and soap dispenser. Jorge was polite, friendly, professional, efficient, tidy, careful and didn't even roast me for my ham-fisted attempts at DIY work before he showed up. It doesn't get much better than that! Thanks, #1 Honest Plumber team. You guys had my back and I will 100% call you back again when I get in over my head on a plumbing job.

    San Jose Drain and Main - Pressure reducing valve and main water shutoff installation

    San Jose Drain and Main

    (1k reviews)

    Rose Garden

    ​I had a leaking outdoor main water riser that needed a full 2-inch valve replacement--not an easy…read morejob. Out of the 4 plumbers I contacted on Yelp, he was the only one who took the time to discuss all the technical details with me beforehand and make sure everything was planned right. ​He came out and did an incredible, high-quality job. The new setup looks very clean and beautiful, and he even corrected the tension issues on both the 2-inch and 1-inch lines to ensure long-term reliability. His pricing was completely fair, transparent, and honest throughout the entire process. ​He is definitely going to be our first-choice plumber from now on, and I'll be recommending him to all my friends and neighbors. Highly recommended!

    Giovanni was absolutely amazing! My kitchen drain stopped working and my sink was completely…read moreclogged. What I thought would be a small, quick fix ended up turning into a much bigger project, but Giovanni was incredibly patient, thorough, and committed to getting the job done right. He took his time, never made me feel rushed, and genuinely cared about finding a solution. On top of being extremely knowledgeable and honest, he's also hilarious, he had me laughing throughout the whole process! I highly recommend Giovanni to anyone who needs plumbing work. It's hard to find someone who is honest, reliable, patient, and genuinely takes pride in their work. If you have any plumbing issues, call Giovanni, you won't regret it!

    Kratzer Plumbing - plumbing - Updated October 2026

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