GNK plumbing services

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Introduction

I'm a Master Plumber. I provide Quality and Perfection. That is my number one goal. I do the job correctly and professionally. I'm not the cheapest, but I am skilled at what I do. Notes : We charge a $100 service fee, but if GNK Plumbing is hired for the job the fee will be waived. Monday to Saturday from 8.00 Am to 6.00 Pm

Overview

Current Top Pro

Hired 233 times

Background checked

2 employees

20 years in business

Business hours

This pro hasn't listed their business hours.

Payment methods

This pro accepts payments via Cash, Check, and Credit card.

Top Pro status

Top Pros are among the highest-rated, most popular professionals on Thumbtack.

2024

2023

Reviews

Customers rated this pro highly for work quality, professionalism, and responsiveness.

Excellent 4.9

143 reviews

5

95%

4

1%

3

1%

2

2%

1

1%

Read reviews that mention:

J C.

May 13, 2025

·

Hired on Thumbtack

Details: Other pipe installation needs • Other plumbing installation or replacement • House

Plumbing Pipe Installation or Replacement

Prem P.

May 12, 2025

·

Hired on Thumbtack

Details: Point-of-entry filtration system for entire building • I would like to discuss with the professional • House

Water Treatment System Installation or Replacement

Hadeel S.

Dec 12, 2024

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Hired on Thumbtack

I had the pleasure of meeting Jean. He was very professional and courteous. I had a very complicated and odd issue with my plumbing and he completed the job in no time. He was so fast and fix the issue right away. Hands down one of the greatest services I’ve had. He will forever be my guy if we need anything done. It is so hard to find someone you can trust nowadays. And I am so happy to have found Jean. Thank you Jean and GNK plumbing and heating!

Details: 0 sinks • One handle controls both hot and cold water • 0 faucets • Less than a week ago

Sink or Faucet Repair

Cynthia M.

Nov 18, 2024

·

Hired on Thumbtack

Jean with GNK plumbing provides quality work. He is responsive, thorough, very knowledgeable, and a master of his craft when it comes to your plumbing needs. He works within a flexible schedule to meet your needs. Jean resolved our plumbing needs Within a 48- hour window of time of onset. His pricing structure is competitive but also of fair market value. Certainly must add he leads with candor and integrity. Thank you Jean on delivering high quality service!

Details: Leaking or burst pipes or appliances • Other location • Other appliance or fixture • House

Emergency Plumbing

Bruce S.

Oct 30, 2024

·

Hired on Thumbtack

Details: No, repair is not urgent • No, the building is not currently flooded • Leaking pipes • House

Plumbing Pipe Repair

Credentials

Background Check

Jean Kossaifi

FAQs

What should the customer know about your pricing (e.g., discounts, fees)?
I offer multiple options with different proces and offer discounts depending on the job
What is your typical process for working with a new customer?
meet to customer assess the issue and discuss the options for the solution and make sure the customer is comfortable with our work
What education and/or training do you have that relates to your work?
I completed my journey license and master license. I have attended trainings around boilers and I complete yearly trainings to stay up to date with the latest procedures