Local business · Harwich, MALocal business · 884 Queen Anne Rd, Harwich, MA 02645
Verified record
All In One Plumbing is Mark Hatch's Harwich plumbing, heating and gas business, which the BBB lists as a sole proprietorship he has owned since 2006. The company describes its work as residential and light commercial maintenance, repair and replacement of plumbing fixtures, systems and heating equipment from Dennis to Wellfleet, plus remodeling work alongside several established contractors. BuildZoom shows 21 permitted gas, plumbing and electrical projects from 2014 to 2024 across the Lower and Mid-Cape. Its one Google review, from February 2020, is five stars. Mark Hatch's Massachusetts plumber licence #13076-PL-M is active on the state registry. Its BBB rating is A+.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from All In One Plumbing. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$290 – $710
Typical plumbing job around $500
Best plumber in the world
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1 change recorded — last scanned Sep 30, 2026.
State-verified plumbing license3.0
Active plumber license3.0
Brian Kalinowski's plumber license active with the state2.5
Same-day response3.5
