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Typical Greater Boston range for this kind of work, from regional averages — not a quote from Dean Farnham Plumbing & Heating. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$290 – $710
Typical plumbing job around $500
Dean Farnham Plumbing & Heating is a South Dennis shop the Better Business Bureau lists as a 24-year, A+-accredited plumbing and heating business, handling everyday work like drain clearing and water heater installs alongside gas piping, gas appliance installation, and radiant-heat systems. Its Massachusetts plumbing master license, held by Dean P Farnham, is active. Angi and HomeAdvisor's profiles for the company also list free estimates and NFIB membership. The written history here splits into two very different chapters. In a run of Angi reviews from 2011 to 2016, customers described Dean as fast and reliable: a 2016 review recalls him returning a call about a leaking water main and arriving within the hour on New Year's Day, and a 2014 review describes him diagnosing and fixing a gas leak behind a customer's dryer within a couple of hours of National Grid flagging it. A 2012 review credits him with a clean, correctly done Rinnai water heater install at a fair price, and several others from that stretch mention punctuality and fair pricing on the Cape. A separate 2014 review broke that pattern, citing poor communication and promised dates that never materialized. Then the trail goes quiet until 2025, when three new one-star reviews appeared — two on Google, one on Angi — calling the owner unprofessional and untrustworthy. Google's own rating now sits at 2.3 stars from three ratings, while Angi and HomeAdvisor still carry the older 4.1-star profile built on that longer history, and Porch shows 4.7. Worth asking about directly is what's behind the 2025 complaints, and getting a written quote and start date up front given the 2014 communication complaint on file. Dean Farnham is a licensed, BBB-accredited South Dennis plumber with a deep history of emergency and gas work through the mid-2010s — a reasonable call for plumbing and heating jobs, but worth a quick gut-check on current responsiveness before booking anything time-sensitive.
Awful person and very unprofessional, would never recommend!!!!
Horrible business and owner, extremely untrustworthy! Cannot recommend!
Extremely poor work and very untrustworthy do not recommend
I will use Dean every time I need a plumber
Dean was quick to return my call about a leaking water main inside my house and he was there within an hour on New Year's Day. He was pleasant and wrapped up the job quickly. Thanks Dean!
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Added 26 new comments, added 8 new photos, established 2.8 rating
No-upsell honesty5.0
Full bathroom remodels4.9
Tough diagnostics solved4.8
Fast emergency response4.8
No hard sell4.8