Alco Exteriors
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Alco Exteriors
ALCO Exteriors provides quality home improvements, specializing in all types of sidings and windows. Whether you are looking for savings on your energy bill with new double or triple paned windows or looking to add curb appeal with new siding, we've got you covered. We have been serving all of Northern California and the bay area for over 28 years.

All estimates are overseen by the owner. Whether you know precisely what you want, or need your questions answered, ALCO Exteriors has an excellent reputation backed by strong credentials and would be more than happy to help you through a no-obligation free estimate. We know what it takes to make your home not only energy efficient, but also beautiful.

Contact us for your next home improvement project!
Reviews (4)
Jim Schneider
Jim Schneider
Aug 07, 2021
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Alco did a great job installing 2 new windows for me. Darrell the estimator worked hard to get the correct windows which had some changes but he was steadfast. The installation crew worked hard to ensure they met the stated timeline and were very thorough in their work including repairing some unanticipated dry rob. I do recommend Alco. Jim S
Emily M.
Emily M.
Jul 02, 2021
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1. The Quote process: Michael came out a day or two after I reached out for a quote. I a lot of research and had a ton of questions. He was patient and answered all of them. He was the fourth contractor we had bid this job. We were looking to replace our cedar shingle siding with James Hardie lap siding. He produced the quote on site and that evening I reached out to ask about also replacing our windows. He came over again the next day to talk about it and measure. Came out a third time the next day with his partner and window specialist to measure and check for egress issues in the bedrooms. He
Stephanie C.
Stephanie C.
Nov 17, 2020
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Mike and his team are professional and great to work with. They did Hardie siding on the entire house and it turned out amazing. There were a couple areas where the siding pieces would have been really small next to the trim, so they asked me if they could use thicker trim to make it look better (see the window corner in attached pictures). Those types of suggestions to make the house look better are signs of a knowledgeable contractor. I am extremely satisfied with their work and everyone loves the way my house turned out.
Joshua K.
Joshua K.
Jun 12, 2018
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Mike is a very professional and kind person to work with. My parents were interested in having their windows and siding done on their house so I did some searching around. After asking some family and friends who have had their houses done, everyone seemed to refer Alco Exteriors. Being the person I am, I still had to get a second opinion, but they couldn't be more right! No one could come close to what Mike quoted me and was even able to start on the job sooner then anyone else. He did an amazing job and my parent's house looks great! Super easy to work with and couldn't have been