M. J. Coleman & Sons

M. J. Coleman & Sons has been building and servicing pools out of Harwich since 1976 — the company's own materials describe half a century of family ownership, using both 'M. J. Coleman Sr. – Pool & Patio' and 'M. J. Coleman & Sons' for the same Cape Cod shop, a father-and-sons operation serving Barnstable through Eastham. Its Massachusetts home improvement contractor registration is active, held by Mark J. Coleman — the same name attached to the business everywhere an owner is listed. Building permit records show seven in-ground pool installations in Harwich, Barnstable and West Harwich between 2019 and 2022, and a Harwich homeowner's Google review this spring described a new pool build handled start to finish without a hitch: the crew managed the permitting, showed up on time, kept the site clean, and communicated well throughout. Google's own page carries 3.9 stars across seven ratings, and across BBB, Houzz, Angi, HomeAdvisor and BuildZoom there isn't a single complaint on file. BBB grades the company A+, though it is not a BBB-accredited business — two separate facts, not one. The core of the work is in-ground pool installation and the maintenance that follows it — openings, closings, liner replacement, pump and heater repairs — with original stonework (patios, outdoor fireplaces, outdoor kitchens) as a standing sideline; BBB also lists the company for masonry, paver patios and landscape design. Before booking, ask directly about warranty coverage: Angi and HomeAdvisor's own FAQ says the company offers none, which sits oddly next to the same profiles' 'About us' copy promising products 'backed by the best warranties in the business.' For a Cape Cod homeowner planning a new in-ground pool or the patio and stonework that goes with it, this is a long-tenured, license-verified, family-run shop with a clean record — thin on independent review volume, but nothing negative anywhere to weigh against the one detailed account on file.