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    UNKO Unlimited Services

    5.0 (9 reviews)
    Closed • 7:00 am - 5:00 pm

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    Damaged wall

    Awesome work from Derel and his team. Very reliable. From the first consultation/estimate they proved to be very knowledgeable and honest. Highly recommend for any Masonry work.

    Before and after.

    Laid some concrete for us. Was a great communicator. Was timely and left area clean. Was available within days of first contact. Even took away extra debris for us and stopped by a few days later to tidy up some edges. Prices were reasonable and in line with other quotes we received.

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    4 years ago

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    4 years ago

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    4 years ago

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    Derel A.

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    3 years ago

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    4K Landscaping & Concrete - Concrete demo

    4K Landscaping & Concrete

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    I've been trying to get my royal palm trees serviced since October 8, and this has been one of the…read moremost frustrating experiences I've ever had with a landscaping company. Communication is extremely poor. Responses regularly took up to a week, if I got one at all. This was not a small or inexpensive job -- I was charged $3,769 -- yet the level of professionalism was completely lacking. After the work was done, even the company acknowledged that the job was handled terribly and agreed a refund was appropriate. I was told a refund check had been sent, but no tracking number was ever provided, and I never received anything. At this point, they are now refusing to issue the refund altogether, despite previously admitting fault. What makes this even more concerning is that when looking at their Yelp reviews, one of the few positive reviews appears to be written by the same person I was communicating with directly "Kaili D.". That seriously calls into question the credibility of the reviews on this page. Overall, this company took a large payment, delivered poor service, communicated poorly throughout, and then failed to follow through on a promised refund. I am extremely disappointed and upset with how this was handled and would strongly caution others before hiring them.

    Was looking for new yard service on Nextdoor and came across Kau'i at 4K Landscaping. Responded…read morequick, gave a great price, and did an awesome job. Highly recommended!

    Mokoi Masonry - Concrete slab

    Mokoi Masonry

    (89 reviews)

    I am soooo glad that I hired Mokoi Masonry for several jobs at two homes in the same neighborhood:…read more1) 2-tier retaining rock wall, 2) underground 2-pipe drainage system around 3 sides of a house, 3) vinyl fence and lockable gates, 4) small jobs of patching a hole in a concrete wall and leveling an uneven sidewalk area. Here are my praises about hiring Mokoi at every step of the process: --Estimate and Proposal: Owner Viliami Mokoi came to inspect the work to be done, offered his recommendations from his years of experience, and put the specific descriptions of the work to be done in a written proposal (total of 4 proposals), including details I wanted to add, such as locks on the vinyl gates and installing a mailbox in the wall. I tried to obtain estimates from other contractors, but no one else was willing to do all the work such as removing roots and foliage and running underground pipes on all three sides of the house for the drainage system. --Superb Workmanship: I am still admiring the 2-tiered rock walls that are beautiful and solid (see photo). To install the underground drainage system, the crew had to use heavy equipment to excavate the jungle surrounding the house and haul in gravel to cover the pipes. The area is now clear and spacious with a hidden drainage system ready for heavy rain from hurricane and Kona low storms. Manoa rain and worker shortages caused delays in work, but the crew made up time by working hard and fast when they could. During the whole time, Vili texted to me about the progress of the work and promptly answered my questions. I am very pleased with the final products of the built walls and installed drainage system as well the patched concrete wall and leveled sidewalk. --Five Star Clean-Up: The crew hauled out all the piles of debris from the jobs and even swept up. Very much appreciated! Mahalo nui loa, Vili and your crew, for your great work product, great work ethic and great communication! I highly recommend Mokoi Masonry!

    Vili was quick to come by and give an estimate, but once we agreed on the scope of work and signed…read morethe contract, the project dragged on. He routinely would schedule a time for work, only to cancel on the promised day. This happened 7 times! His team started doing a nice job but then cut corners by using stone scraps in parts of the rock wall that look terrible. They also left a mess in my yard with rock dust that has killed the grass. Worst of all, we had clearly agreed on the extent of work, only for Vili to tell me he made a mistake and would need more money. (I wanted his guys to be whole but did not want to deal with Vili anymore, so we cut off the job.)

    All Phase Masonry - Front yard

    All Phase Masonry

    (36 reviews)

    My 46 year old retaining moss rockwall needed repair & recapping. I met with 5 different rockwall…read morebusinesses for quotes. I narrowed it down to 2 companies and when I met with Sione's dad William, I was so impressed by his style and level of expertise in inspecting my wall. He started the business over 40 years ago and had prior rockwall experience in Inglewood California before moving to beautiful Hawaii. William was very sincere and patient in explaining to me the condition of my wall and what needed to be done. He reminded me of my dad who also started his business over 40 years ago in residential construction. Later, I met with owner Sione who I originally spoke with over the phone when scheduling the first consultation. Sione is well-spoken, and as busy as he is -- I appreciate him staying in communication via text or answering my call since other rockwall companies fell short. Sione grew up with many years in the rockwall business and learned from his family. Sione was also willing to work with my budget and I understood the high quality of work I'd receive from All Phase. Quality matters and this wall will outlive me for another 40 plus years!!! This is a family run business and they only hire within their family. I met Sione's brothers Q and Jr, along with Kaffa, Masi and so many awesome uncles and masons! I also received the proposal via email from sister Fine. Thanks so much for your work! I could see that they all work with a lot of Heart, Soul and Pride! They arrived on time, some days early! They are very respectful, helpful, and organized throughout the entire job! They also clean up after themselves. I was so impressed at how fast they completed the work and were ahead of schedule! Towards the end, Q, Van and Bugsy did final clean up and haul away of rubbish. I appreciate their level of workmanship and it really shows in the end result. EVERYONE LOVES MY ROCKWALL and it has visibility from the main road. I was able to carve "All Phase Masonry JULY 2026" during the recapping too! Look forward to Future work with All Phase! "If your wall gonna fall - give us a call!" MALO AUPITO ALL PHASE FOR MY NEW AMAKA! lol

    I had a great experience working with All Phase Masonry on O'ahu. After the Kona storms in March…read more2026, our front yard wall became unstable and started leaning due to water damage, so we needed a reliable company to assess and fix the issue. Sione, the owner, was very responsive from the start--he replied quickly to our Yelp inquiry and made scheduling a meet-and-greet and wall assessment easy. He was professional, easy to work with, and took the time to explain the condition of the wall. He also recommended a couple of repair options and clearly walked us through each, which made the decision process much easier. We received a quote in a timely manner, and the project actually began ahead of schedule. Even better, the entire job was completed in just three days. The new wall looks beautiful, and several neighbors have already complimented the work. We are extremely happy with the results and glad we chose All Phase Masonry. I would highly recommend them to anyone on O'ahu looking for quality masonry work and excellent service.

    UNKO Unlimited Services - masonry_concrete - Updated October 2026

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