Mortensen Custom Plumbing

Flagstaff, United States

4.5

11 reviews

Accepts Credit Cards

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Telephone:
+1 928-774-4357
Website:
www.mortensencustomplumbing.com
Address:
2501 N 4th St, Flagstaff, AZ, 86004
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Accepts Credit Cards
Yes

Today

Today –
Local time (Flagstaff) 09:41 Thursday, 26 June 2025

Business hours

Monday –
Tuesday –
Wednesday –
Thursday –
Friday –
Saturday –
Sunday –

Description

Specialties

Our Services

Clogged Drains/​Leaks

Toilets, Sinks & Showers

Gas Lines

Water Filtration Systems

Appliance Connections

Hot Water Pumps

Water Heaters

Garbage Disposals

Sprinkler Systems

Electronic Leak Detection

Sewer Pipe Replacement

Pipe Thawing

History

Established in 2003.

«It doesn’t make sense. Plumbers are late (if they show up at all.) It seems they charge you what they feel like. And if you need them to come back and fix the problem you paid for… good luck.»

We know the problems all too well. How? We are plumbers.

We’re also homeowners. So we’ve solved the «normal» plumber problems with these solutions:

*Written Repair Warranty

*24 Hour Service

*Up-​front Pricing

*Fast, Safe Drain Relief

*20 Year Warranty Available

*“On-​time” Guarantee

And that’s just the beginning. We actually show up on time or call if we’re late. Now you know how a plumbing service can be a happy experience.

Call Mortensen Custom Plumbing now for excellent plumbing service.

Meet the Business Owner

Marty M.

Business Owner

The word «summertime» can trigger some fond childhood memories. Marty Mortensen is no different.

«My summer memories are of fixing plumbing under the watchful eye of my patient father.»

Marty’s father is a plumbing professional with 40 years of training and experience. Many summers later, Marty was still working under the direction of his father. He was taking college classes when he met his future wife, Annette.

Only days after the wedding they started to plan their new adventure together. First, they wanted to live in beautiful Flagstaff, AZ and raise a family. Second, Marty wanted to continue to use his technical plumbing skills and enjoy every moment of it. Within a few months, Mortensen Custom Plumbing was created and customers began to call for his services. He even found time, between fixing leaks and replacing hot water systems, to complete his sociology degree from Northern Arizona University.

Nearby

Near this location:
1
ft
Mr Electric of Flagstaff
1300 S Milton Rd
1
ft
Russ’ Appliance Repair
Serving Flagstaff and surrounding area
1
mi
Rancho Sedona RV Park
135 Bear Wallow Ln
1
mi
Schnebly Hill Road
1.1
mi
Vista Ridge Sedona
165 Sombart Ln
1.1
mi
Turquoise Tortoise Gallery of Sedona
431 Highway 179

11 reviews of Mortensen Custom Plumbing

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Place rating: 5
Tempe, AZ
I have used Mortensen on two different occasions. In both cases there was good contact with their office. Marty called when he was on his way and both times arrived within the appointment window. With both repairs Marty gave me 3 options on how extensive work I wanted done and the cost involved with each. There was no pressure to go with the most expensive one. They are also very good on follow-​up to make sure you are happy with the work done. They are my go to plumbers in Flagstaff.
Place rating: 5
Santa Clarita, CA
Very Fast service, all work done the next day in a timely manner and he double checked his work before leaving. Friendly and he has another satisfied customer.
Place rating: 5
Phoenix, AZ
If you’re looking for a plumber, stop here and call Mortensen Plumbing! I have a second home in Flag and needed a trustworthy plumber last year. I used a different company and had a horrible experience from beginning to end. With that said, when I needed more plumbing work done this year, I dreaded the experience. To my surprise, I am so thankful I called Mortensen. Marty, was awesome! He communicated with me as soon as he got to my house, there weren’t all these hidden fees for travel, time, blah blah that I had in the past. He fixed everything within a few hours and gave me honest feedback and I trusted him in my home without my presence. I also felt like the price was very fair and now I have peace of mind that my gas BBQ, washer hose and gas range are all working safely and properly. needless to say, this company is in my book for any future plumbing needs… such a relief!
Place rating: 5
Flagstaff, AZ
When I came home from work I noticed that a pipe leading from the water heater into my house had sprung a good leak. I had to shut the water off to the house to get it to stop. I called Mortensen plumbing that evening and they sent someone out to fix it the first thing the next morning. Excellent service! I thought we would have been without water a lot longer. They even did a follow-​up phone call and thank you card for using them. Nice touch. Would definitely recommend.
Place rating: 5
Flagstaff, AZ
Marty Mortensen, the owner, contacted me and came out to see the what work was done. He sympathized with my complaint and give me gift cards for future work. As I said in my original post, the owner was very responsive and now I can say he also responds to less than stellar reviews on Unilocal.Thanks again, Marty.
Place rating: 4
Flagstaff, AZ
Overall, I had a very good experience with Mortensen. Chad, who worked on my project, was very professional – he showed up on time, was exceptionally courteous, and got the work done quickly. He was upfront about the charges and there was very good communication with the whole team. We have had no other issues with the repair and I also appreciated the follow up afterward to make sure everything was okay. I will concur with other reviewers, however, that this is NOT inexpensive. Yes, this is the most money I’ve ever spent on a plumbing repair. On the balance, however, it was worth the extra money to me to 1) not have to do it myself, or 2) wait around all day for someone to show up, like I have in the past, and have to supervise every minute of their work. I’m willing to pay more for the piece of mind that the job is getting done right the first time.
Place rating: 1
Phoenix, AZ
I am sad to say we did not have a positive experience with Mortensen Plumbing. Two items really ruined the experience. First, the plumber showed up three hours later than his scheduled appointment. Second, when they provided us a quote to replace our 50gal water heater the price was $ 3,821. Really, who pays $ 3,821 to have a water heater installed. I have replaced a lot of water heaters in my day and they do not cost that much. In fact the one they recommended is at Home Depot and we can get the water heater and installation for a total of $ 1,100.
I was in Phoenix and my wife was taking care of this. It really does feel like they were trying to take advantage of her. Bad decision! She is fully aware of the cost of construction items and their related installation services.
I would not recommend Mortensen plumbing under any circumstance. They should be ashamed of themselves for this sort of practice.
Place rating: 5
Flagstaff, AZ
We have always been happy with the fast and courteous service by Mortensen.
They have done repairs and installations in our home and have always done a thorough and professional job. In one case where there was a problem, they followed up quickly and made a corrective repair at no additional charge. Erin is always prompt and friendly with a follow up phone call to be sure that all the work is satisfactory. We purchased a maintenance plan with them and they initiate regular visits to test our plumbing and to flush out the water heaters. Yes, it was a big expense but we believe the quality of their work and their responsiveness is worth it. We would certainly recommend them to others.
Place rating: 5
Flagstaff, AZ
Great, fast service – and work done right the first time. Mortenson Plumbing may not be the least expensive but if you believe in that old saying that you get what you pay for, you get good value and exceptional workmanship and professionalism from the folks at Mortenson. We’ve had them to repairs, install a new water heater, install a new sink, install new toilets and other work and have always been more than happy with their work.
Place rating: 5
Flagstaff, AZ
The entire team communicates very well! Everyone is bright, clean, cheerful and knowledgable. From the time I recognized I had a problem (gunked up water heater and subsequent blockages all throughout the house) to the time my entire house was back to regular water pressure might have been 3 hours total.
Erin is also very responsive on the Facebook page, either to direct you to resources or to sign you up to have a tech come out.
There is an $ 89 charge to have a tech come out to your location, but that is applied to any work that gets done, so you’re not just paying it extra. That’s smart.
I don’t own the home I am in, though I am the property manager. They insisted on calling the landlord before stepping foot in the house, which I know he appreciated. The issue was explained to me and then to the landlord, who paid to have everything fixed. It was done *Fast*.
Very highly recommended. They can consider me a loyal customer for any of my properties.
Place rating: 5
Mesa, AZ
Marty, Clay and Erin are wonderful to work with. Always courteous and friendly, they go above and beyond what is expected. Marty has even assisted us with an insurance claim after a lightening strike. Best plumbing company we’ve ever worked with in the Flagstaff area.