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John I Kostynick Plumbing Corp

About us

Long established plumbing & heating company servicing Nassau County, New York. Member of National Association of Plumbing, Heating, Cooling Contractors & The Nassau County Association of PHCC.

Business highlights

Emergency services offered
70 years of experience

Services we offer

& Air Conditioners., & Installation. HVAC Repairs, & Sink Repair & Installation. Generators. Electrical Service, Basement Flood Clean Out, Boiler Repair, Duct Work, Faucet Installation, Leak Repair, Pipe Rooter, Plumbing & Heating – Emergency Repairs, Repair, Replacements, Toilet, Tub, Water Heater Repair & Replacement, Yard Drain Repair

Amenities

Emergency Services

Yes

Free Estimates

Yes

Reviews
5.04 Reviews
Number of StarsImage of DistributionNumber of Ratings
5
100%
4
0%
3
0%
2
0%
1
0%
Showing 1-4 of 4 reviews
Deena P.
May 2018
5.0
Yes, I recommend this pro
$900
It was a very tough repair and they came in under their estimate. The men were very nice and knowledgeable.

Diane W.
Jul 2017
5.0
Yes, I recommend this pro
I have used this company several times and am happy with their work.

Aviva N.
Apr 2017
5.0
Yes, I recommend this pro
Called on friday made appt for monday morning. Work done quickly. Neatly. Pleasant. Fair price for parts and labor. My new plumber!

Christopher P.
Feb 2006
5.0
Yes, I recommend this pro
$200
I WAS HAPPY WITH HOW FAST THIS COMPANY RESPONDED TO MY CALL. THE PLUMBER TOOK NO TIME TO UNCLOG THE TOILET. THE PLUMBER WAS CLEAN, NEAT AND PROFESSIONAL.

Licensing

State Contractor License Requirements

All statements concerning insurance, licenses, and bonds are informational only, and are self-reported. Since insurance, licenses and bonds can expire and can be cancelled, homeowners should always check such information for themselves. To find more licensing information for your state, visit our Find Licensing Requirements page.

*Contact business to see additional licenses.

FAQ

John I Kostynick Plumbing Corp is currently rated 5.0 overall out of 5.

Yes, John I Kostynick Plumbing Corp offers free project estimates.

No, John I Kostynick Plumbing Corp does not offer eco-friendly accreditations.

No, John I Kostynick Plumbing Corp does not offer a senior discount.

Yes, John I Kostynick Plumbing Corp offers emergency services.

No, John I Kostynick Plumbing Corp does not offer warranties.