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M. J. Coleman & Sons is a pool and patio contractor in Harwich. The company describes itself as family-owned and says it has offered in-ground pool installation, weekly pool service, maintenance and repairs, vinyl liner replacement, patios and stone work, and automatic safety pool covers since 1976. Its stated service area covers Barnstable, Yarmouth, Dennis, Harwich, Chatham, Brewster, Orleans and Eastham. A 2026 customer said they hired the company for a new swimming pool installation at their home in Harwich, and wrote that the team handled the permitting. That 2026 customer said the crew was always on time, respectful of the property and kept the worksite clean at the end of each day. Its Massachusetts home improvement contractor registration, number 184104, is active on the state registry, with Mark J. Coleman as the holder of record. Its Better Business Bureau grade is A+.
We recently hired MJ Coleman & Sons for a new swimming pool installation at our home in Harwich, and we absolutely could not be happier with the results. If you are looking for a reliable, professional, and highly skilled team on the Cape, look no further. From the initial design consultation to the final walkthrough, the entire process was seamless. Pool installations can be stressful, but the team handled everything—including the permitting—with incredible efficiency. The crew was always on time, respectful of our property, and kept the worksite remarkably clean at the end of each day. Communication was top-notch; they kept us updated on every phase of the project and answered all our questions patiently. The craftsmanship is stunning and has completely transformed our backyard. Five stars isn't enough—highly recommend!
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Certified attributes are verified against the public registry. Others are the business's own statement.
2 changes recorded — last scanned Sep 30, 2026.
Pool heater replacement4.1
Stabilized a 180-year-old barn4.1
Water balancing4.0
