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Clark Plumbing & Heating is a Thomaston plumbing business with a 4.8-star average from 22 Google ratings. The Better Business Bureau gives it an A+ grade. Its Connecticut plumbing licence, PLM.0279269-P1, is active on the state registry. A 2026 customer said he came right away, was knowledgeable and calmed their plumbing nightmare fears. A 2024 customer said John was very accommodating on a small job that was time sensitive. In a 2023 review, a customer described a shut-off valve replacement done well. A 2023 customer wrote: "Showed up within hour, and fixed promptly." A 2022 customer said John did exactly what he promised at a reasonable fee. A 2022 customer said they were fast to respond to their Litchfield house. In a 2021 review, a customer said John returned the call promptly, came when scheduled, had everything he needed with him and completed the repair with no issues.
Came right away, knowledgeable, professional. All round great guy, calmed my plumbing nightmare fears!!
I had a small job that was time sensitive and John was very accommodating. I would recommend him and will be using him for future plumbing projects!
Great work, shut off valve replacement done well. Would consider for future jobs, faucets are in need change
Showed up within hour, and fixed promptly.
John has a customer for life thanks to his quick response, professional demeanor, knowledge, and high ability. He is my go-to guy, the first person I call whether in an emergency or otherwise.
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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 Clark Plumbing & Heating. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$270 – $660
Typical plumbing job around $470
Next-morning compressor swap4.1
Same-day water heaters3.7
Trusted for years across multiple houses3.9