Castle Plumbing Service

Bert H.

Had a water heater spring a leak overnight and, after calling a half dozen ""serves your area"" google listings that absolutely did not serve my area, I got a hold of Mark while he was on another job. He wrapped up his project and had us setup with a new water heater installed the next day. Cannot recommend Castle Plumbing enough, Mark was a damned lifesaver and turned what could have turned into an expensive nightmare into a very doable replace and upgrade.

Carol F.

Mark promptly returned telephone call. He was able to replace our water heater quickly.

Anthony D.

Called about getting a water heater replaced after reading potential causes on line (rabbit hole) and chatted with them. He was able to diagnose the problem over the phone and give me simple instructions to DIY it. Worked like a champ and all at no charge. If anything does breaks, calling Castle for sure! A++

Mary B.

Had a leak in our kitchen faucet and water was leaking under the sink in the evening. I left voice mail messages with three different plumbers first thing in the morning. Mark Nielson was the first to call me back and he came right out to analysis our situation. I agree 100% with the two 5 star reviews and the 4 star reviewer must have tried Mark at a rare time for him not to be available quickly.

Please read the 5 star reviews as they are right on point. They describe his personality to a tee. He talks slow enough for you to understand what the problem was and how he fixed it. Excellent job Mark!

I did receive calls from two other plumbers on South Whidbey that I tried to reach and left a voice mail but Castle Plumbing had already fixed our leak. Both returned my voicemail message by early afternoon which was also a quick response.

Robert M.

He's helped out with two situations so far: a broken pipe in the basement, and a failed heating element in my hot water heater. In both cases, he returned my call within a day, and was over doing the fix quickly. He offered two solutions for the water heater at different price points, and spent a bunch of time showing me things I didn't know: new connector systems, ... All while being friendly, conversational and good-humored. On the island, this guy's my go-to guy for keeping my water working.

T H.

What a rare find! I called and left a voicemail, Mark called back promptly and we talked about my leaky toilet. He shared his expertise and walked me thru a simple fix.. With 8.00 dollars in gaskets and his help I fixed it myself! Im very proud of that and appreciate his help so much. Give him a call, highly recommend him. Good guy to help me on the phone. Thank you Mark! Traci in Freeland

Bob C.

I had a leaky faucet on my kitchen sink so I called Mark Nielson at
Castle Plumbing. This guy goes more than the mile he says on his phone service. I gave him the particulars and he came up with a solution
that didn't need a service call. His solution was so simple that I was able
to fix it myself. All I had to do is tighten a connection to my spray nozzle.
Some outfits would have made a service call and charged me. Not Mark.
This guy really does the job for his customers. I wish there were more like him in this world. He has made prior service calls to my home and the results were always great.
Bob Carl

Marcia M.

Mark Nielson is a ""tells it like it is guy"". He tries to come up with the most reasonably priced solutions. Explains what your options are, and what he would chose for himself. We were thinking of a lot of fixes and he explained if you don't need to, then don't fix something that's not broken. We called him to fix a problem not correctly resolved by another plumber, and he came up with a great solution. We will call him back when we are ready to make some upgrades.

K. F.

Service was great! I had leaking kitchen and bathroom faucets and a slow bathtub drain. With Mark's years of experience, it took him no time at all to identify the problems and offer cost-effective solutions. His work was done quickly and professionally. It took a few days before he called back, so only gave 4 stars, but his service was totally worth the wait.