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About Us

We're the Flat Roof LLC in Portland, OR


My name is Alex Koyev and I’m the owner of the Flat Roof LLC branch in the Portland Metro Area

I have been married to my best friend Liza since 2006, and we have five beautiful children, two boys, and three girls. I am originally from Salem, Oregon, and grew up as a big fan of the Chicago Bulls, sadly not the Trailblazers! 

Ever since I was a teenager I have been around new construction and have picked up skills and knowledge to perform well in most of the trades I have learned. 

I started out roofing and repairing residential houses. As my exposure grew, so did my knowledge of the great need for quality and performance in the commercial market. When inspecting commercial buildings, I noticed that in the case of many repairs I had seen from other companies, the quality of work was compromised. My motto for myself (which is now our company’s motto) has always been “NO COMPROMISE!” Do it right the first time or don’t do it at all. Don’t cut corners. That is how I was taught as a child, and the people who surrounded me had that internal integrity that influenced me in a great way. As the number of happy customers grew, so did our 5-star reviews on Google. Our uncompromising performance in our work has built confidence in both our customers and our manufacturers! Flat Roof LLC and the responsible managing individuals of our company intend to keep it that way. Systems and methods are developed with our motto in mind, starting with the hiring process, how we select people to the equipment and material we use, our intent is for quality, performance, and customer service to stay top notch and continue to become one of Portland’s highly rated roofing contractors. 

Flat Roof LLC is passionate about helping our customers because of so many poorly built roofs that need attention and repairing, and we find joy in getting it done right for our customers. Our company is dedicated to helping building owners with their future and protecting and prolonging their investment. 

Sadly, 80% of roofs are replaced prematurely due to improper installation or lack of maintenance. Flat roofs require annual checkups and cleaning of debris and other foreign material that might end up there. Dust, leaves, branches, and other particles are elevated onto the roof by the wind. Especially if your building is near a factory or other manufacturing plants that produce lots of exhaust of various particles that could be harmful to your roof if they accumulate in the corners and clog drains and scuppers which in turn will cause water intrusion into the building by ice or water backing up.

We are very attentive to detail throughout. Making sure that every part of the work is being done correctly while also making sure that you, our customer, are being taken care of and all of your expectations are being met. Our motto is “NO COMPROMISE!” We have this motto to govern our employee’s mentality and our installation, creating an environment and a culture within our company.

Our services and offers make sense! Try us out by taking advantage of our no-brainer offer for a “FREE Inspection Report” and a “Free Estimate.”

Call us today at (971) 339-4299 or fill out the form on our Contact Us page to start the process.


Our Happy Customers

“Phenomenal owner and crew! They consistently have produced excellent results. Being a manager for a general contractor, I asked Flat Roof LLC to check out many projects and they completed each project with SUPERIOR quality and amazing price. I don’t think you can find a better roofing contractor- especially with commercial flat roofs – in the Portland area.”

- Paul

“After calling, Alex came out in less than an hour and diagnosed the problem. It was not my roof but leaks in my chimney. Because he works with roofs and not chimney’s, he earned nothing on the job except my trust. He charged me nothing for the visit. I will definitely call him again when I have a roof problem. Super nice and honest guy!”

- Jeremy

Take Advantage of Our "No Brainer" Offer to Property Managers and Owners

Don't wait until your roof is completely falling apart.

Why Choose Flat Roof LLC

Free Annual Inspection

reports on all commercial and multi family residential flat roof buildings you currently manage. Rest assured knowing you're taken care of and potential roof leaks are caught before they become an issue!

Free Inspection Report

before you buy or sell a building. Uphold the value of your asset!

Affordable Preventative

plans on any flat roof

building you currently own or manage.

(see price bellow)

Unbeatable Quality

Partner with us and you'll never have to worry about wrong installation issues again!

"No Compromise" Mentality

At Flat Roof LLC we are dedicated to a “No Compromise” mentality and making sure your installation is done right the first time protecting the inside of your building from water damage. A proper installation helps reduce your maintenance cost on your commercial building or any building. Contact us today to get our Free Inspection Report worth up to $750 depending on the size of the building, and a Free Estimate. From the time that you call us, to the time that we come out and do our free inspection and free estimate, you will find that you will be completely satisfied with our service from the start. You will enjoy working with our friendly staff through the whole process, and will love the results of your great-looking roof guarantee! 

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