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Mainus Construction

  • 2166 Beck Dr, Waterford, WI 53185
  • Commercial Roofing
  • Industrial Roofing
  • Financing Available
  • Free Estimates
  • Licensed & Insured
Hours
Mon7:30 AM - 9:00 PM
Tue7:30 AM - 9:00 PM
Wed7:30 AM - 9:00 PM
Thu7:30 AM - 9:00 PM
Fri7:30 AM - 9:00 PM
Sat7:30 AM - 9:00 PM
Sun7:30 AM - 9:00 PM

About the Business

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What people say about “Mainus Construction”?

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Recommended Reviews

Overall Company Rating
Excellent 5.0
Out of 20 reviews
5 stars
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Mike Wright
Aug 7, 2025

I had an old 8x12 shed that I wanted to replace with a new 12x14 one, so I got in touch with Tom at Mainus Construction to explain what I had in mind. Tom connected me with Perron Contracting to handle the site prep, and Hunter Perron did an excellent job getting the area ready—all at a very reasonable price. Tom and his crew removed the old shed and installed the new one, even though the location was tricky. They handled it without any issues. The new shed is solidly built and looks great—I honestly don’t think you could find a better shed for the price anywhere in Wisconsin.

Maria L
Jul 1, 2025

We recently suffered some storm damage that involved a large ash tree falling through our back fence which took out our old shed. My wife and I were convinced that we did not want a big box quality replacement shed but rather built to order quality construction. We reached out to Tom to learn more about his company and he came out to our home the very next day to look at the site and to discuss options. I had a detailed quote in my inbox shortly thereafter. One of the challenges for our project was that we needed the shed delivered as soon as possible so that the other contractors involved in repairing our damage could start work. Tom and his team completed and delivered our shed less than 2 weeks from our approving his proposal. The delivery process went very smooth and it was evident that Tom and his team cared a lot about making sure we were completely satisfied. They went the extra mile with things like removing old fence posts with the concrete base instead of just cutting them off as well as cleaning up the job site before they left. I wholeheartedly recommend Tom and his team. The quality of construction cannot be beat. The lead time was also incredible.

James Glau
Apr 11, 2025

Great experience with Tom. Had an older shed that needed to move about 200 feet, but up an incline, through/over some large rocks and tree stumps, that was not on skids and some board rot - just not an easy move. He and his crew took their time, added skids with the appropriate structural fasteners and got the shed moved smoothly and quickly. I would highly recommend Tom and his team!!!!

Pat S
Jan 6, 2025

Mainus Construction recently built a 12’x20’ shed for us. It was built on site on a concrete slab. I can hardly say enough good things about Tom and his crew. They did an excellent job and were on schedule. He was very helpful during the planning stage. He convinced us not to spend extra money on vinyl siding (it was completely unnecessary). He moved our old shed out of the way to a different spot in the backyard so we could continue to use it during construction. Tom was very professional and paid attention to detail. He and the crew worked very hard and it was during a couple of very cold December days. I wish he was a general contractor so I could use him for other home projects.

Donald Brandt
Sep 25, 2024

You won't find a better more organized professional company to move your shed. Tom knows his profession and demonstrates high quality work at reasonable prices. Would highly recommend his service

Allison Buida
Sep 24, 2024

Really appreciate Tom’s patience with my questions and low pressure talks. We took our time deciding what shed we wanted and I’m so happy we decided to go with him. Install went great on site and he communicated with our concrete guy to make sure everything was poured correctly. 10/10!

Ashley Strelcheck
Nov 18, 2023

Tom came out today and moved our grandfathers shed to our new property. Throughout the process, from the communication, prep, to execution was very professional and timely! They were willing to move our shed when other companies did not even return our phone calls or get back to us. Great experience!

PBoutdoors 85
Jul 21, 2023

Extremely good quality, attention to detail, great communication, and hard working staff are just a few of the things that made my wife and I thrilled with the barn we had built.
Tom does exactly what he says he will. So glad we hired them.

Mark Olson
Jun 28, 2023

I ordered a shed from them about 2 years ago. I was so impressed with the entire purchase process. They were so great about working with me to get exactly what I wanted. They kept me updated throughout the construction process, and delivered exactly when the they said they would. The quality of the shed is incredible. 2 years later I still get neighbors and friends commenting on how impressive it is. Everything from the doors, to the windows to the floor, is absolutely top notch. I give them my very highest recommendation.

Keith Michael Molini
May 17, 2023

The absolute best shed and out building provider in South East Wisconsin and Northern Illinois....100% happy with his work and a great "can do attitude"

joseph cieslak
Nov 20, 2022

Tom, at Mainus Construction built a 10x12 shed on my concrete slab. I had to wait , as this man does nothing but Quality work, and is busy ! The day they started, it was windy and temperatures dropping ! I was amazed as I watched, elbows, backsides, and a crew that was a well oiled machine . Attention to detail is an understatement ! This shed is exactly what I wanted . Tom is TOP NOTCH !

Thanks Tom

Sandy Walker
Aug 1, 2022

I would recommend this company to anyone that needs their shed moved. I was amazed at how professional of a job that Tom did for me. Truly amazing work! He was able to do a move for me with only a few days notice. It was a very difficult move as well and he was able to get my shed out of a very tight spot and move it to my yard with No issues!! He knew exactly how to do it and I was so thankful for the quality of work he did for me. I couldn’t be more happy!!

dan wilkes
Sep 13, 2021

Tom and his team were great to work with. I love my 10x20 shed. Quality is great, Tom's team came ready to work. I would highly recommend them to anyone wanting a shed built.

thomas garcia
Apr 24, 2021

Update: time passed. Still sturdy. Big news: Shed siding withstood huge hail of big storm. Not a nick. Our house and others have extensive siding repairs. Still a great shed.

Prior review still stands: We searched for and visited multiple shed builders. We were concerned about some cheaper prefab options that can’t fit their designs to customer needs especially on existing concrete foundations. We had a need for a very large attractive shed. Tom Mainus won - he’s very experienced to know how to adjust for customer situation. Tom worked up good design with options. Shed style has a great look with good curb or yard appeal. Very solid very strong construction inside and out. Stronger thicker wall construction than most we saw. Wide eaves overhang outside walls critical to divert roof water flow from shed. Most sheds we saw have narrow or no overhangs which can reduce life of shed due to rain building moisture especially at shed base. Stunningly fast build once we got on their schedule (Mainus is popular. Don’t wait to last moment like we did). Very informed - gives good advice to protect and preserve your investment. Tom appears a little quick to get to the point, a tad busy and short on time. But we enjoyed his integrity, openness, and humor despite a packed schedule. Love this shed.

Alan Strang
Nov 23, 2020

Well built and good price for what you get. They have a lot of options for you to choose from to give you that custom build which you don’t get with the big stores.

Mike Wood
Aug 17, 2020

Tom did a great job moving a shed to my house. He took very good care to avoid any damage to the shed and our yard during the moving process. He was also on time and communicated well. Would recommend Tom and his crew to anyone looking to move a shed.

Tom Vento
Jun 16, 2020

Our experience having a shed built by Mainus Construction and his concrete sub cont. was outstanding. Communication with Tom Mainus was prompt, responsive and straight forward when designing the shed and estimating costs. The result is a shed which was built precisely and according to plan. I was happy to be able to keep my money with the Wind Lake/Waterford tradesman and have no reservations referring Mainus Construction

Scott Kupkovits
Jun 27, 2018

We are so super happy with the shed Tom built for us! I am really impressed with the craftsmanship, he obviously takes great pride in what he does. The materials used are top notch too. The fiberglass doors heavy and solid. The hinges and latches all work very smoothly. Wall studs are all 16" on center. They even took the time to add bump stops on the exterior to keep the handles from marring the LP siding. They also added plenty of anchors to the concrete slab and caulked all the way around, inside and out to make sure the shed is secure and dry. They used a quality roof shingle and flashed all the way around. Everything is quality. This shed is built to last many decades! The final thing I'd like to add is that I found the cost very reasonible and much better than the competitors we priced out. I asked Tom about this and he stated that they carry very little overhead unlike some of the other builders that employee a lot of people and ship sheds all over the region. I would highly recommend Mainus construction to anyone on almost any budget. Check out their website and you can see countless examples of their work.

G. Wilde
May 18, 2017

Very happy with our purchase . Very well built, on time delivery. Tom was excellent to do business with. We will recommend him to our friends. If you are looking for a quality shed, this is the place to go.

Peter Stefaniak
May 12, 2017

My experience with Tom Mainus was excellent. He is a true professional. Honest. Reliable. Tom built on our shed on time, excellent pricing and quality work. We shopped numerous shed builders. Mainus Construction was was superior in all aspects. We are very satisfied customers. We highly recommend doing business with Tom Mainus.

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  • 2166 Beck Dr, Waterford, WI 53185
  • Commercial Roofing
  • Industrial Roofing
  • Financing Available
  • Free Estimates
  • Licensed & Insured
Hours
Mon7:30 AM - 9:00 PM
Tue7:30 AM - 9:00 PM
Wed7:30 AM - 9:00 PM
Thu7:30 AM - 9:00 PM
Fri7:30 AM - 9:00 PM
Sat7:30 AM - 9:00 PM
Sun7:30 AM - 9:00 PM

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