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National Water Service

4.9
  • Highland, MD

About this business

For 40 years, National Water Service has been installing and servicing complex water systems in Homes, Restaurants, Hotels, Hospitals, Shopping Centers & more all over the the DC, Baltimore & Frederick Metro areas. We work with Architects, Builders & Construction Firms to create custom applications for residential & commercial water treatment, purification, as well as a complete line of well pumps, boosters, etc. Whether on City Water or a Well System, water quality can vary quite a bit from street to street and we are happy... read more

Location details

7249 Mink Hollow Road, Highland, MD, 20777, United States

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WeekdayScheduleStatus
Mon7:00 a.m. to 5:00 p.m.
Tue7:00 a.m. to 5:00 p.m.
Wed7:00 a.m. to 5:00 p.m.
Thu7:00 a.m. to 5:00 p.m.
Fri7:00 a.m. to 4:00 p.m.
Sat7:00 a.m. to 4:00 p.m.
Sun7:00 a.m. to 4:00 p.m.
4.9511 reviews
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Ray Lombardo's profile image
Ray Lombardo 
recommend  Recommended
5 years ago

Technician went out of his way to make sure this job was done properly and in a timely fashion. He was extremely communicative, providing updates along the way. Thank you Matt 

Business response:

Ray, Thank you so much for the kind words about Josh, Matt and everyone at National Water. We look forward to continue working with you for many years to come. 

Chris Ambrose's profile image
Chris Ambrose 
recommend  Recommended
5 years ago

Professional, timely, and honest! We have worked with them for 12+ years and they have always treated us very well. 

Business response:

Thank you Chris! Nothing means more to us then long term happy customers! Your positive words for everyone at National Water mean a great deal! We look forward to working with you for many more years to come. 

Gary Ridgway's profile image
Gary Ridgway 
recommend  Recommended
5 years ago

Had a water hammer problem. Tech determined cause very quickly, had replacement part on the truck and made repair in just over an hour. Very happy. 

Business response:

Thank you Gary for your kind words about National Water and our Emergency No Water, Leak & Flood Response Team. Thank you for the years of continued faith in our little company. As always, we look forward to continue working with you & Candy for many years to come. 

Steve Stennett's profile image
Steve Stennett 
recommend  Recommended
5 years ago

National Water Service has been my go to for all of my clean water needs for over 5 years now. Extremely respectful and friendly staff and technicians. My most recent service was yesterday 11/11/19, and I can't talk enough about how great these guys are. Definitely recommend to anyone in need of clean water services. 

Business response:

Thank you Steve. Nothing means more to us then long term happy customers! Your positive words for everyone at National Water mean a great deal! We look forward to working with you for many more years to come. 

Lauren Austin's profile image
Lauren Austin 
recommend  Recommended
5 years ago

We've used National Water Service since we bought our house in 2017, when our realtor recommended them to us. We've only used them for ALL our water needs (with our foreclosure, it was quite a bit - water testing, holding tank, annual service, water softener install, and more), and have never had any issue. Great, friendly customer service, timely, competitively priced, and I would recommend them to anyone. 

Business response:

Lauren, Thank you for the very kind words about National Water. We take two things very seriously, water and customer service & I am so glad we have been able to provide you 5 Star Service on both. I hope you enjoy the new water softener we added to your treatment today. We all look forward to continue working with you for many years to come. 

Mark Cheng's profile image
Mark Cheng 
recommend  Recommended
6 years ago

quickly diagnosed source of my leak and repaired at reasonable cost. 

Business response:

Thank you Mark. I am very glad our emergency response team was able to get to your house quickly and fix the leak for you. We all look forward to working with you for years to come. 

Bonnie Sraver Luepkes's profile image
Bonnie Sraver Luepkes 
recommend  Recommended
6 years ago

The technician notified us when he was arriving by phone and my email. He was on time. He identified the problem with the odor of the water quickly and resolved the hardness by repairing the intact at the tank promptly. He was friendly and efficient. 

Business response:

Bonnie, Thank you for the very kind words about National Water & your technician Pat. We hope you are having a wonderful start to your summer. 

Neil Siman's profile image
Neil Siman 
recommend  Recommended
6 years ago

You guys are absolutely fantastic. Slight problem and noticed some film build up on glass shower enclosures, called Barbara this morning and you guys came right over along with sending send me a text link confirming the appointment. Did several tests, and made an adjustment to solve the problem. Before hiring national Water Service, as you know, i did A tremendous amount of research and met with several companies. Dave was the only person that did the necessary water tests, gave us a solution, and didn’t over sell us on equi... read more

Chris Mannino's profile image
Chris Mannino 
recommend  Recommended
6 years ago

Excellent service all the way around. Barbara in the office who took my calls and got us scheduled for the next day. James and his partner (sorry I didn't get his name) who came to my house were on time, had everything they needed on the truck, they were polite, clean, explained everything they were doing. And when they were done, my system is working again. I will not hesitate to call them again when I need help. 

Business response:

Chris, Thank you for the kind words for not only our techs but our office as well. I am very glad we were able to get the water flowing for you again. We are always here to help. 

Frequently asked questions about National Water Service

How is National Water Service rated?

National Water Service has a 4.9 star rating with 511 reviews. 

When is National Water Service open?

National Water Service is closed now. It will open tomorrow at 7:00 a.m. 

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