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K & M Plumbing LLC is a plumbing business that says on its website it has been in business for 19 years. On Google it holds 4.9 stars from 15 ratings. A 2026 customer wrote that this crew had worked on their house for years. In a separate 2026 review, a homeowner said they had used K&M for several years at multiple houses. A 2025 customer said they showed up, took care of a leak and left the house cleaner than before they got there. A 2024 customer wrote that K & M came quickly and showed up on time for a couple of plumbing problems, and that they planned to use them when re-doing two bathrooms. A 2022 reviewer called them responsive and timely. Connecticut's state registry lists plumber license PLM.0281569-P1, holder of record SEAN E FLAHERTY, as active.
This crew has worked on our house for years, and they are excellent. Truly exceptional work!
I’ve used K&M for several years at multiple houses, and they are the best - professional, reliable, friendly…cannot recommend them highly enough!
K & M plumbing isn’t just a plumber… they’re basically a pipe whisperer. Showed up like a ninja, destroyed the leak like it owed them money, and left my house cleaner than before they got here. They don’t just fix pipes—they humble them into submission. If your toilet, sink, or shower is acting up, don’t even bother calling anyone else. Call K & M plumbing before your pipes start plotting revenge again.”
Great customer service!
Great service and awesome work
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1 change recorded — last scanned Oct 30, 2026.
Typical Connecticut range for this kind of work, from regional averages — not a quote from K & M Plumbing LLC. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$270 – $660
Typical plumbing job around $470
Water heater delivered and installed the same day5.0
State-verified plumbing license since 19983.7
Same-day water heaters3.7
Christmas Eve heat repair the same night4.0
