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I had Adamik’s American Plumbing and Drain perform a full home plumbing inspection because I needed to provide to my home owners insurance company. He was on time, professional, and very knowledgeable throughout the entire process.


He completed a thorough inspection of the plumbing system — confirmed all the water piping is copper, drains are ABS, and the piping in the walls and slab is cast-iron. He also checked the new water heater and verified it’s up to current code. All faucets, toilets, tubs, and showers are working properly, and all sinks drain as they should. Water pressure is excellent at 70 psi, and the soft water system is functioning perfectly.


He took the time to explain everything clearly and gave me peace of mind knowing there were no issues or recommendations needed at this time. I truly appreciate the honest, professional service. Highly recommend Adamik’s American Plumbing and Drain!


- Joleen R.

I had the pleasure of working with Jon. He's an all around class act. If you're looking for an experienced Plumber in the Corona, CA area, I highly recommend using Adamik's American Plumbing & Drain!

- Jennifer C.

Jon is the best!  He has helped me with plumbing issues in the past and is always professional, timely, efficient, fair with pricing and friendly.  He even helped me solve my washer valve problem today over the phone at no cost and was so patient with me as I am not handy at all.  I'd recommend him to anyone & everyone!

- Gina

John is always attentive and very prompt with his service.  His knowledge has been extremely helpful in our property management business and would recommend him to anyone!

- Rhoda L.

Came to help us on short notice and, after working really hard, he was able to fix our huge problem. He even cleaned up after himself. Highly recommend!!!

- Seth B.

John knows what he is doing.  he has fixed many of our plumbing situations efficiently and quickly.  it's always good to see him.

- T Karr

Adamik's American Plumbing & Drain always does a fantastic job when he comes to my house.  I highly recommend him.

- Randy S.

Very polite, efficient and clean. Would use again!

- Debra W.

John Adamik was highly recommended in my community and I have to second that! I reached out last week regarding a toilet install and the response time was quick. He came to install today and was courteous, professional and timely. When he was on the way I was sent communication. He installed it quickly and expertly but it was his kind service and attention to detail that put things over the top. Highly recommend!

- Ivelisse J.

Very responsive, great rates, great service. I would highly recommend!

- Danny

Jon also installed a soft water unit.  We are very happy with all of his work.

- Carla C.

Jon provided superior service to me and my neighbors.  I plan to call Adamik’s Plumbing for all my future plumbing needs.

- Ozone009

I have used Adamik's American Plumbing 3 times. Jon came highly recommended by a friend of mine. The first time we had a pipe burst in our wall. It was a major repair and Jon did a great job. He beat three other quotes I had and he was much more responsive. He kept me up to date on the progress and provided pictures and videos we needed for our homeowner's insurance. The 2nd time he installed a new bathroom faucet for me. The third time I called him out when my kitchen sink was leaking. He found the issue and fixed it right away. He is very professional, always on time and keeps me updated on when he will arrive. I highly recommend this small business for all of your plumbing needs.

- Tara F.

Great first visit. Gave me the information I needed to give my HOA for a decision if this cost would be my responsibility. I have hired him to locate and repair my leak.

- Patricia D.

We had a gas leak and our hot water, oven/stove and heater were shut off for over 24 hours.  Jon was able to come out the next day and fix the pipe - Gas Company rep came out at 10:30pm and we have hot water, heat and can cook again!  My husband says he’s a super nice guy and very professional. We grabbed his card for any friends looking for a plumber.  **update - we hit a water pipe today while trying to dig out a tree with a horrible root system.  Again - great service, SAME DAY service, and we are back in business!!!  Highly recommend this business-based on the work as well as the responsiveness!!!

- Gina G.

Excellent service ~  kitchen and bathroom plumbing issues addressed timely and professionally by Jon!

- Laurinda F.

It’s so hard to figure out who to call when you are in the middle of an emergency- like water spewing everywhere!!!! When I called Adamiks, they came right out and went to work. I was so relieved and Jon was great! The price was fair- even for an emergency. Every time I’ve had him come out, he’s done a great job at a good price! I recommend this company without reservation!!!

- Ann S.

Adamik's plumbing is an excellent company. I have used them for everything from a complete copper re-pipe upgrade to my vintage home to kitchen sink clogs and even root issues in sewer lines.  Jon is very honest and he gets it done.  I will continue to use them for all my plumbing needs!

- Brian W.

Jon is a true professional who understands the way to win loyalty is to offer the best solution for the present problem, not upsell you. I recommend him to all my friends and clients! Fair prices, dependable, reliable and always friendly. Call him today!

- Richard F.

I have used Adamik's American Plumbing and Drain twice now. The first time was for our kitchen sink faucet that was leaking terribly and he came out right away, and did a great job fixing it. Then recently, my mother, who is older and a widow, had her main pipe burst, and he was able to come out in record time, fix the problem and the best part...did it all for a reasonable price and had a great attitude. This meant a lot to me as my mom really needed the help and at her age, it's nice to know there are people out there that don't take advantage of elderly people. I highly recommend this company!

- Michelle C.