Diamond Head Plumbing
Company Overview
We are fully licensed and insured, and while plumbing remains a primary focus, so are bathroom and kitchen renovations. We remain insured to standard requirements. For more than 40 years, we've been a family-owned business in Honolulu. If you need plumbing services or remodeling advice, we are here to assist. With experience like ours, there is very little that stumps us anymore when it comes to plumbing and remodeling challenges. Hiring a local team means we know Oahu's homes well, having worked on a broad range of properties across the island. This allows us to solve plumbing issues swiftly.
Diamond Head Plumbing, Inc. has been doing bathroom remodels and renovations in Honolulu since 1977. We offer everything from simple fixture replacement to full-scale remodeling. Our services include tub conversions, shower replacements, re-tiling, and more. We are licensed, insured, and hold an A+ rating from the BBB. Contact us for a free in-home estimate.
Robert Hazzard leads his superhero role at night with his plumbing expertise by day. Not the best superhero, but an amazing plumber.
Business Services
- Bathroom remodeling
- Bathtub installation
- Bathtub repair
- Building additions
- Drain installation
- Drain repair
- Faucet installation
- Faucet repair
- Garbage disposal repair
- Gas line installation
- Gas line repair
- Hot water recirculation pump installation
- Hot water recirculation pump repair
- Kitchen remodeling
- Plumbing inspection
- Plumbing installation or replacement
- Plumbing repair
- Remodeling
- New room addition
- Sewer installation
- Sewer repair
- Shower installation
- Shower repair
- Sink installation
- Sink repair
- Sump pump installation
- Sump pump repair
- Toilet installation
- Toilet repair
- Water heater installation
- Water heater repair
- Water pipe installation
- Water pipe repair
Business Location & Hours
Mon: | 7:00 AM - 4:00 PM |
Tue: | 7:00 AM - 4:00 PM |
Wed: | 7:00 AM - 4:00 PM |
Thu: | 7:00 AM - 4:00 PM |
Fri: | 7:00 AM - 4:00 PM |
Sat: | Closed |
Sun: | Closed |
Recommended Customer Reviews

I had problems with my water heater, they came out the next day. Repairman fixed the problem and just charged me for the service call, about 55 bux. I recommend Diamond head Plumbing to everyone!!!!

I called Diamond Head Plumbing and spoke to Mariella for a estimate. Joel arrived on time and gave a fair estimate. Would define use them again for our plumbing needs and for future remodeling. Thank you to everyone involved for making it an easy and seamless experience.

I had a minor toilet leak in a fitting. The plumber was earnest and I okayed replacing components in the toilet, while he was here, as I was paying for an hour minimum anyway. The job was done fine, but $250? I started checking the prices for the exact components he used and here are 2 (of 4) examples costs with free shipping from Amazon: $26 but I was charged $93 $35 but I was charged $117 I was accurate on matching the parts. I don't begrudge them making a profit on inventory, but these parts were items they must use all the time and the markup was greedy, not customer friendly when paying $125 an hour in the first place.

Customer Service was Excellent! People in the office were fast, responsive and polite. The guy who showed up (on-time) was professional and courteous. Looked at my leak told me what was wrong and how to fix it and didn't charge for the visit. Great plumbing service.

A friend had his bathroom remodeled and highly recommended Diamond Head Plumbing. He showed me the before and after pictures and his new bathroom looked amazing. He said that DHP did the remodel and they were very professional and quick and he was very happy with their service and quality of their products. I'm so lucky and glad to have gone with his recommendation. I wanted to remove a tub and replace it with a shower. Everyone that I came into contact with from the initial phone call, estimate, to completion made me really like this company. The estimate was very reasonable and fair and all the information I was given very honest and straightforward. They made everything so stress free and easy. 1-Set up an appointment for measurements and estimate 2- Meet at their showroom to decide on material, colors, door design, fixtures ect. 3- Schedule a start date. That's it! Everyone that worked on this project always came on time, worked as clean as possible for the huge job they were doing and were very courteous, friendly and very skilled at what they did. So very happy with our new shower!! Thank You Everyone at Diamond Head Plumbing and Special Thanks to Joel for coordinating and watching over everything. Your company is great and associates truely top notch. I will definately be seeing you again for all of my plumbing and remodeling needs :-)

Ok so who said these guys was good?! I strongly dont think so! They scheduled to fix my shower in my apt monday 8am they didnt show up till 10:00 considering i was late for work they demo the shower they didnt cover anything with plastic cover so dust wont get on anything there was dust everywhere and having severe asthma im concerned! I went in after they had left 2:50 it was so dirty and dusty in my apt i was furious!! Yesterday they didnt show up and im renting an apt so they can take the day of? Hellllo finish the job its costing us alot of money by the day so get with it!and now i will have to hire someone to clean carpets,couch,bed and everything else!

This is an update to my previous review: I received a reply from Cooper, President of the company who apologized for not returning my call about the last bill I received. He told me he was writing off the charge which I appreciated. Unfortunately, I had already mailed off my check since I figured they sent the bill, so they must have wanted payment. Luckily when I called them, they said they would void my check and return it to me...which they have. I certainly appreciate their follow up with my issue. I decided to write a review after using Diamond Head Plumbing several times in the last 12 months. The one word that comes to mind about their service is....uneven. I almost gave them 2 stars but our first time using them was great so I decided to be nice about it They fixed our first problem and even went over and beyond to finish the job. I wish I knew who the plumber was that came out because he was outstanding. However, from there it kind of went downhill. We called them for another problem and over the course of several calls have either had no one show up at their appointed time, no one call us to tell us they are running late or call us back when they said they would. When they did come out after several rescheduled appointments, it took the plumber several attempts to fix our problem (no hot water coming out of shower), and then we noticed another problem immediately after they fixed our shower. The water diverter was popping out of the faucet and falling into the tub when the shower got turned off. I called them back to fix this new problem. It took them about 5 minutes to fix the diverter. It wasn't happening before they came out to fix the hot water, but they were going to charge us $125.00 for ""fixing it"". I called them and explained that this problem occurred only after they came out and touched our shower faucet to fix the hot water problem, and their response was they didn't touch the diverter to fix the hot water so it couldn't have been their fault. Just a bit odd that we didn't have this problem before they touched our shower. The gentleman on the phone was trying to be nice and said he would hold off on charging me and check with the plumber and call me back. I didn't get a call back (again), but about 6 weeks later, I did get a $125.00 bill from them so I guess that's my answer. What do you think, should I have given them 2 stars after all?

To be clear, we haven't had much dealing with them other than a phone call to request a quote on a small bathroom renovation project, but we figured we share our experience regardless. The person who picked up the phone was nice and polite, but the reason for the 3-stars is due to their policy of not coming out to give estimates past 2pm, and on week days only. Both my wife and I work full-time jobs, and presently can't take days off. We realize time is money, and that our business isn't necessarily needed for them, but they seem to be the most inflexible regarding estimates out of all the contractors we've worked with previously on another property of ours. The purpose of this review is to largely inform both the business and prospective customers of our experience.

Going to a 4 for DHP. I wanted to schedule a service with them recently and though I did call late in the day around 5:15 pm someone answered and took my info and would call back the next day. I did not get the call and my wife wanted to try elsewhere. Sorry we could not connect. I did like their service the last time.

Diamond Head Plumbing plumber has visited us over a week agao and inspected our house and hasn't still heard a word about the estimate. I do not appreciate it at all.