Rated 5 / 5 from 10 reviews
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Sema Roofing Our specialty is residential re- roofing and gutters. That is what we do. You are purchasing a team that is extremely knowledgeable with this products, how they are installed, and the best way to protect one of your greatest investments throughout the roofing process. What this means to you is that you get consistency that can only be achieved through years of knowledge, training and perfecting a specific trade within a specific industry.

We are a company operated by the owner, pride and integrity go into every job no matter how big or small. Attention is giving to the smallest detail. I started roofing in the Willamette Valley in 1995 and I will treat your home as if it were my own.
Highlights and features
  • Replacement, Inspection, Residential, Commercial, Installation, Products, Guttering, Repairs
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Reviews (10)
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Alice M Roberts
Aug 10, 2022
Sergio Rodriguez of Sema has recently replaced the roof of my 4-office complex and the price was fair and the work was expert. Sergio also suggested a few inexpensive preventative measures. Sergio has also done roofing on several of my clients' properties and my own home. His work and followup have exceeded these clients' expectations. The work is superior to other companies we have hired.
Katherine Domingo
Aug 10, 2022
SEMA put a roof on my 100 year old house. It looks beautiful. The workmanship is great. I have referred him to many clients and friends and they have thanked me. I would refer them to anyone needing a new roof or repair. He is now doing my gutters too.
Jean Allison
Apr 09, 2022
Sema Roofing replaced our entire roof for us. Sergio the owner patiently answered all questions ahead of time, while we were deciding to hire his company. We decided on a starting date for the roof replacement. The crew was punctual and hardworking everyday that week. We were impressed and grateful how well they cleaned up after work each day and even more after the job was done. We love the way our new roof looks and are confident it was done very well. We would highly recommend Sema Roofing to anyone! Bill and Jean, in Albany. March 2022
Dustin Burgess
Sep 01, 2021
About 5 years ago I found a minor leak in my roof, I called a contractor friend who recommended Sema Roofing to me. I called Sergio at almost 5pm on a Friday, he came out and found and patched the leak in the rain that afternoon. He told me my roof was not properly nailed and would continue to have issues. He told me his crew would come out Monday and go over my roof to try and seal what they could.

His crew came Monday sealed up some nails and even cleaned my gutters while they were here. Sergio wouldn't take payment, he told me to call him when it was time to replace the roof and give him a chance to bid it. I recommended Sema to several family and friends who used him over the last five years from that first experience. All of them had glowing reviews.

His seal job got us by for 5 years but it was my turn this summer. I didn't even bother with a second bid. Sergio and his crew did a fantastic job and are great to work with. I can't recommend Sergio and Sema Roofing highly enough.
Sk Graham
Oct 30, 2020
The team at Sema Roofing did an amazing job! I first had them replace a membrane roof and repair the dry rot underneath. They later replaced a pitched roof, taking off 2 old layers and removing the (unused) chimney. At the same time, they added gutter guards. All the work was completed quickly, with no mess left behind. They were thoughtful, kind, timely, and the work looks great! I would recommend them to anyone!
Jack DeAngelis
May 06, 2019
Installed gutter guards on our two story house. Did a fantastic job at a very reasonable price. Great service. Thanks!
A. Eastburn
Nov 14, 2018
Sergio and crew were great to work with. I contacted them and got a visit and quote very fast. Work was completed efficiently and guys even worked in the rain. Courteous and professional. I will definitely use them again in the future should anything arise.
Robin Brown
Jun 23, 2018
Sema Roofing did a fantastic job on my new roof and gutters. They took down the old roof and gutters on Monday, the job was complete by Friday! All this during the hottest days of this summer! Roof and gutters look great. They left the job site each day clean and neat and were always fast to answer any questions. Great people to work with.
Dale Robinson
Mar 20, 2018
Sergio and his team did an outstanding job on our church roof. I highly recommend this company. Pastor Dale Robinson, Sweet Home Christian Church.
Brian Badger
Nov 29, 2016
Sema Roofing has done two incredible jobs for us. First, we had them re-roof our house and install gutters. The quality, quickness, and professionalism with which they work is unparalleled. We were so pleased with our roof, that we had them remodel our bathroom. It turned out amazingly. Their workers are extremely courteous and work with great attention to detail. They finished the whole project in only 4 days! I will recommend them to others without any hesitation.