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Louis L. Buttermark & Sons Inc.

3.2
(34 reviews)

Business Details

16 New Dorp Lane, Staten Island, NY
10306, United States
(718) 351-4220
http://www.louislbuttermarkplumbingny.com

About

PlumberHeating Contractor
We are licensed and a family owned plumbing, heating, and fire suppression contractor. We serve Staten Island and all the five boroughs. Our technicians will be meticulous and thorough to make sure all your needs are met. Our goal is to achieve complete customer satisfaction. We always strive to maintain an excellent standard in our work to give you the best service possible.

Location

Louis L. Buttermark & Sons Inc.
16 New Dorp Lane, Staten Island, NY
10306, United States

Hours

Monday9:00 AM - 5:00 PM
Tuesday9:00 AM - 5:00 PM
Wednesday9:00 AM - 5:00 PM
Thursday9:00 AM - 5:00 PM
Friday9:00 AM - 5:00 PM
SaturdayClosed
SundayClosed

Reviews

3.2
34 reviews
5 stars
18
4 stars
1
3 stars
0
2 stars
1
1 star
14
  • MM
    Matthew Miner
    Dec 22, 2025
    5.0
    4 years ago, they installed a new boiler for me. The other day, it refused to light. I called, they showed up in a half hour. D. did diagnosis, didn't find the problem. Brought in the big guns, few minutes later, problem was diagnosed - a defective National Grid regulator (Not Buttermark's responsibility or business to service). He was correct. It was only marginally bad, good enough to keep the water heater running, not good enough to run the boiler (The most difficult type of failure to diagnose and fix). Charge? "$0, boiler was a new system." That's outstanding customer service and standing behind the sale. ((National Grid came in and replaced the regulator, all's good now.))
  • DP
    Diane Porcell
    May 13, 2022
    5.0
    Donald from Buttermark Plumbing came to my mom’s house to make several repairs that were desperately needed. She has been a customer for years. Donald was professional, kind and extremely helpful and fixed everything perfectly. Donald is a superstar and a great asset to the company. Thank you for everything!!
  • MG
    MARIE Giovanniello
    Mar 30, 2022
    1.0
    The person who takes calls for this company, Angela is one of the rudest, most condescending people I have ever encountered. I’ve been a client of Buttermark plumbing for 7 years (yearly fire sprinkler inspection) and when I called with a leaky water heater issue she promptly told me they could not help - end of conversation. She had the audacity to ask what fire sprinkler inspection had to do with a water heater leak. Nothing babe, but as a “professional” in the plumbing game you might have suggested what my next step might be.
  • MG
    Michael Gecht
    Oct 18, 2017
    1.0
    Going on third day of telephone calls that I made. They don’t call you back. “Just follow protocol “. I tried talking nice but all I got was rudeness. Going to use someone else no matter what it costs.
  • TD
    Tom Dowd
    Oct 6, 2014
    1.0
    Just got off the phone with Buttermark trying to schedule a potential repair. Rude as hell. Like I was bothering them. Never again.

Frequently Asked Questions About Louis L. Buttermark & Sons Inc.

What services does Louis L. Buttermark & Sons Inc. provide?

We offer licensed plumbing, heating, and fire suppression contracting services across Staten Island and all five boroughs, ensuring meticulous and thorough work to meet your needs.

What are the business hours for Louis L. Buttermark & Sons Inc.?

We are open Monday through Friday from 9:00 AM to 5:00 PM and closed on Saturdays and Sundays.

Brand Certified Facts from Louis L. Buttermark & Sons Inc.

This information is certified by Louis L. Buttermark & Sons Inc. and published from the brand's official system of record. Data is distributed through an enterprise-grade knowledge management platform. Learn more about our data sources
Certified May 03, 2026Yext Knowledge Graph
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