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Weekly pool care and help with troublesome equipment feature in customers' accounts of Double Diamond Services. The company describes itself as an Osterville pool contractor serving Cape Cod and Martha's Vineyard, with 25 years in business. Its website lists pool installation, remodeling, underwater services, vinyl liners, saunas, hot tubs and maintenance. A July 2026 Google reviewer praises Cheri for both scheduling and personally caring for a plunge pool. An April 2026 reviewer says the team arrives on time. Google reports a 5-star average from six ratings. In a March 2024 review, a customer described weekly summer service that left the pool sparkling and technicians who arrived when promised. After lightning damaged equipment, the customer said David was starting a replacement project involving cement repair, an equipment cover, fence removal, an ethernet cable and equipment installation. The reviewer described David coordinating the different pieces and suggesting workarounds when the pump and salt system were not working; the replacement project was still underway when they wrote. A business-pool customer writing in July 2023 credited David with restoring correct bromine levels and improving equipment operation. In a July 2022 review, another customer described rejecting expensive pump-replacement quotes from other providers before finding Double Diamond. That customer called Double Diamond's quote reasonable and said Dave arrived on time just as the pump failed. A February 2024 Cape Cod Times article named Double Diamond Services among the sponsors of a local boxer's trip to Las Vegas.
“These sponsors include Double Diamond Services, Empowered Energy Fitness Training, Scott Repair, Sean's TLC, D P Fuccillo Construction, and Jackson Business Operations.”
Outstanding service! Cheri is especially helpful with everything from scheduling to personally caring for our plunge pool. We greatly appreciate her and the entire Double Diamond team!
Love these guys! Always on time and they do a great job.
David and his team are amazing. The office staff and the onsite pool technicians are courteous, helpful, know everything there is to know about pools (very important for a pool newbie such as myself) and always show up when they say they are going to. They leave the pool sparkling every time. We use DD weekly in the summer for our pool services and now we are undergoing a replacement of a lot of our pool equipment (it was struck by lightning) and David is starting the project already so we are all set to enjoy our pool this summer. The project involves a lot of different pieces - cement repair, putting a cover over the pool equipment, fence removal, ethernet cable and installation of the pool equipment itself and David is working like a general contractor to make sure everything gets done seamlessly. Incidentally, when our pump and our salt weren't working, David had great ideas for work arounds until we could get everythig upgraded. Can't say enough good things about David and his team. Plus, our dogs love them too!
Had major issue at my businesses pool with bromine levels and various other things. The keyword is had. Thanks to David and his fabulous work My pool is back within correct levels and operating smoother than it ever has as far as equipment as well. I would highly recommend David for any of your pool needs and your best option is to get on a plan with him. He always goes the extra mile.
We had an issue with our pump running really loudly and when I asked for a consultation and was told the pump needed to be replaced, the quotes were three times what any reasonable place was estimating. This might be inflation based on where we live but even so it was ridiculous. After asking for multiple quotes we found Dave and Double Diamond services! Not only was the quote reasonable but he showed up right on time just as the pump failed!! He is one of the nicest pool professionals out there with an incredible team of fabulous people. We are so thankful to have found Double Diamond! Finding great pool people is hard but everyone should know that DDS is full of EXCELLENT people!
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1 change recorded — last scanned Sep 30, 2026.
Service manager Greg, praised for years4.5
Praised by name: Dana and Ben4.3
Pool build finished ahead of schedule4.2
Neglected pool revivals4.1
Water balancing4.0
