Dashing Dan's Plumbing & Heating Inc.
“I had not needed the plumber for more than a year but meeting justin who came to my home was understanding to my situation and truly cared.”
Best Plumbers near Islip, NY
There are no contractors listed in Islip itself yet; the 15 below are the closest options, from towns including Bohemia (3, 5 mi), Holbrook (3, 6 mi) and Bay Shore (2, 3 mi).
7 open 24/7 · 12 open weekends · 14 rated 4.5+ · 7 show a license
Data verified October 18, 2026
Order a Plumber Inc.
“The repair of the leaking pipe was done with expertise and will use this company for any further issues with plumbing problems .”
Jopam Services Inc
Biagio Plumbing & Heating
“I hope I don't need a plumber for a while but I would definitely have Rob back and would recommend his services.”
Sunray Services
“The unit was repaired quickly and I was kept informed as the work was done.”
Varsity Home Service
“Ramon and Jake did an incredible job on my water heater replacement and plumbing issues!”
Listed for homeowners in and around Islip, NY, these 15 companies cover plumbing work. Hours, license claims and free estimate offers come from each company's own website, so confirm them on the phone before you agree to a visit for something already running.
Area overview: Islip, NY
The 15 contractors on this page are rated from 4.4 to 5.0 across 4,504 reviews; 13 have 50 or more reviews and 14 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (92%), responsiveness (88%) and punctuality (74%). The topics that come up most in reviews of the contractors on this page are "estimates", "price" and "efficient". 7 are open around the clock; 12 are open on Saturdays and 9 on Sundays. The services the contractors on this page list most often on their websites are heating (2), heating services (2), plumbing (2) and plumbing services (2). 7 show a license on their websites and 1 has a BBB rating of A or A+. Domain records put 9 websites of the contractors on this page at ten or more years old; the oldest dates from 1999. 8 offer emergency call-outs; 4 offer financing or payment plans; 3 give free estimates; 6 are family- or locally-owned and 6 list coupons or special offers. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
How many listed plumbers say they are licensed?
7 of the 15 plumbing listings here show a license on their websites. Ask for the number, take it to the board that issued it and confirm it is current and actually covers plumbing. A company that does not say so may still hold a license, so ask on the phone and write the number down.
Retro Hot Water & Heating
“Retro is very reliable, professional, and incredibly neat with any work they would do in your home.”
Jet Cesspool Service
“I called Jet and spoke with Nick and he was friendly and very helpful and said he could have someone over within the hour.”
Sam Mechanical Inc
“They removed all old equipment, install , test new system without any damage of apartment.”
ZSL Plumbing
“They did an amazing job on my new bathroom and addressed several other items that have been on my list for years.”
Herber Plumbing & Heating Corp
“He went above and beyond the service that was requested, from securing my hanging gas pipe, installing a new ball valve on the cold water shut off, and putting in a new exhaust vent pipe.”
Joe Sampson's Plumbing & Heating LLC
“The two gentlemen who installed my boiler and hot water tank were terrific!”
Elite Restoration and Construction Inc
“The team that came in were polite and conscientious of the what they needed to get done in the mess of all our belongings that were everywhere.”
Paul's Way Home Services Inc
“We were very satisfied with our service and would recommend him to anyone.”
Ray the Plumber
“He and the rest of the team were friendly and courteous and the team had the replacements done quickly.”
Why these companies made our list
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