Our company pays special attention to the details of every project to ensure the complete satisfaction of each client. ​

View photo examples of our previous work in the gallery below, or contact us for more information.  

Replaced all our windows with high quality Marvin windows. The product is second to none. The crew was fast, friendly and meticulous. They were in and out in two days. Huge investment and they made it so simple. Very happy with Gladstone windows and the customer service Brian and his team provided. Would highly recommend them if you're in the window market!

Steve G

Locally Owned and Operated 
Licensed & Insured 


We are so happy with the excellent service we received. The workmanship is unbelievable compared to the other Marvin windows and doors we had installed two years ago by another company. Now we wished we called you to do those also. We would definitely refer others to Gladstone’s…in more ways than one!

Serving Minnesota since 1961

Gotta give these guys mad props for the amazing service they provided as just a prospective customer.

I recently moved into a new house that was missing some window hardware. Not only did they take the time to answer my questions about the type of windows in my home, they went so far as to track down the parts that I was missing and provided them to me at no cost.

The staff I spoke with were extremely knowledgeable and friendly. I’ll definitely be reaching out to Gladstone’s Windows when we go to replace our windows later down the road.

A.J. H

Gladstone has been a wonderful PARTNER as we continue to replace doors and windows throughout our home. Today we completed our third phase of window/door replacement in the last three years, and we couldn't be happier with the service and product provided by Gladstone. Professional workmanship, competitive pricing, top notch product, and peace of mind they'll take care of my family.

We've worked with Brian Long to help put together all projects and options. He's been patient with us, and provided a quality no pressure sales cycle. The last two projects we've had the same crew of Wayne and Steve facilitate the install. Both are professional and have been willing to address any questions or additional asks on the spot. Heck, even Chris the delivery guy is great.

Bottom line... great products and great people!

John H

The staff was Very helpful while ordering a new patio door. The price was better than other places as well.

Mike R

When we needed to replace the back door of our 1923 Craftsman home we looked specifically for Simpson door dealers and this place was the third one we tried after two failed attempts at so called "experts".  

Ralph was a true professional and we had a very good experience with good conversation that led to what we feel was a great experience.  He definitely knew what he was talking about and he didn't treat us any different because we weren't a contractor buying in bulk.  I'd recommend this place anytime!

Bryan E - St Paul

"Very happy with our doors Gladstone installed. They were great to work with and very responsive. Highly recommend them!"

Brooke O - Mpls

I like to buy local when I can and have gotten 9 windows so far from here. The price is reasonable, the installation is efficient, and if problems show up, they are quick to respond. What more can you ask for in a window contractor.

Lou M

I was referred to Gladstone's Window & Door Store by Marvin Windows customer services department after I had contacted them with a problem with two malfunctioning Marvin windows that were long out of warranty. I asked for help in finding the appropriate place for repairs and was referred to Gladstone's as the Marvin dealer in my area. When I contacted Gladstone's, I was connected with their service person, Jeff ********, who quickly made an appointment to check the windows at my house. On the day of the appointment, he arrived exactly on time, spotted the issue with two windows, and fixed them within minutes. The issue was a minor adjustment, but I had had no idea how to handle it. Jeff provided recommendations on ways to avoid the problem in the future. He was fast, friendly, efficient, and helpful. And there was no charge for this service call to my house. I appreciate this excellent service from both Marvin and Gladstone's.

Bob F.


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I worked with Steve twice this year. First I replaced two very old drafty windows in my upstairs with triple pane windows I bought from them. Steve was great to work with and Gene who came out to install them was great and did a great job.

I was so impressed I talked the wife into replacing four more windows with the provia triple glazed windows that we had upstairs. We worked with Steve again and he was good for our little job again. And again Geneo came and installed the windows and did a great job on our house on the east side. I took a little bit longer because of covid but I am super impressed. I have seven more to reach and will work with Steve again.

Ken J