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From $50
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Closed until Mon, 9:30 AM
In North Tonawanda, we are GRANTO GLASS BLOCK – your reliable partner for all window installation services. As a general contractor and glass bloc…
The Best Window Installation Company in North Tonawanda
Compare top-rated window installation providers in North Tonawanda. Profiles include verified reviews, service details, and direct contact options.
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Verified Window Installation in North Tonawanda, NY
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Window Installation near me in North Tonawanda, NY - August 2026
Looking for window installation in North Tonawanda? This page lists verified local providers with ratings, reviews, and contact options. We show active businesses only — profiles are moderated and updated by owners.
Compare pros by experience, price range, and customer feedback. Many providers offer free estimates or same-day service for common requests. Use filters and the map to find someone close to your address.
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Window Installation feedback from North Tonawanda residents
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Highly recommend Granto Glass Block. He came out the same day I called to give me a quote. Angie was wonderful to deal with in the office. The day of installation they showed up on time, got to work and replaced 4 windows, they took my old windows and cleaned up any mess they may have made in the process. It was a pleasure working with Granto Glass Block, they made everything easy from start to finish!
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This was hands down the best business I have ever done with anyone. Gave me an estimate within an hour, were able to come do the job 2 days later. Had 7 glass block windows installed in one hour. Worth every penny.
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Granto's did a GREAT job on our glass block windows. Gerry's crew was fantastic. They did an awesome job. They were prompt, courteous and the fit and finish on our new block windows is excellent. That's why we're repeat customers. Look no further - call Granto's. Thank You Gerry! Joe Roscetti NF,NY
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They did an awesome job installing new bedroom windows, basement glass block windows, and front door. I would highly recommend them if you are looking for installation of windows, doors, or other work.
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Very pleased with results and they were quite efficient, whole job finished in an hour!c
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Gerry Granto and his team were here this morning to replace 10 basement windows with glass block. They arrived on time, got right to work and were finished within a couple hours. Very friendly and professional. Gerry will return in 3-7 days to spray sealant around the windows. Very happy with the job. They even cleaned out my 4 window wells and brought my empty garbage tote up from the curb. The windows look great and my basement feels more secure. Thank you!
