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By CR Score, the highest-ranked plumber in Berlin, NJ is Professor Gatsby's Heating, Cooling, Plumbing & Electrical with a CR Score of 92/100. It has 5.0★ from 1,429 Google reviews. It is open 24/7. Len The Plumber Heating & Air, LLC (#2) and Filan & Conner (#3) follow. We ranked 610 plumbers on 8 factors, last updated October 22, 2026.
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ContractorsRanked ranks 610 plumbers serving Berlin, NJ. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
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261 ranked plumbers in Berlin post 24/7 hours. The highest-ranked are Professor Gatsby's Heating, Cooling, Plumbing & Electrical (#1), Len The Plumber Heating & Air, LLC (#2) and Filan & Conner (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
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395 of 610 ranked plumbers post Saturday hours and 329 post Sunday hours. The highest-ranked open Saturdays are Professor Gatsby's Heating, Cooling, Plumbing & Electrical (#1), Len The Plumber Heating & Air, LLC (#2) and Filan & Conner (#3). Posted hours are office hours; crews may book weekend jobs separately.
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In New Jersey, New Jersey State Board of Examiners of Master Plumbers handles licensing and covers Plumbing work: water supply, drain, waste and vent piping and fixtures. Search the business or license number at https://newjersey.mylicense.com/verification/.
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Water heater replacement typically costs $882 to $1,826, with $1,348 typical (Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Berlin. Prices were last checked October 2026. Get at least two written quotes before you hire.
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The median Google rating among 610 rated plumbers in Berlin is 4.8★, with a median of 20 reviews. Harris Plumbing, Heating, Air & Electrical has the most, 11,049 reviews, and ranks #9. We adjust ratings for review count, so a few five-star reviews cannot top the list.
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Each plumber gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.