Verified record
Granite State Gutter Co describes itself on its Better Business Bureau profile as offering seamless aluminum gutters, downspouts, copper and wood gutters, gutter guards, rain chains, splash blocks and aluminum fascia and trim, and states that its gutters are custom made on site. In a 2025 Google review, a customer said Bill came out promptly to give a quote, called him very respectful and fairly priced, and said they were very satisfied with the work so far. In a 2022 review, a customer who used the company for a complete install of gutters around the entire house said Michael took care of everything and praised its responsiveness and follow-through. In a 2023 review, a customer who had gutters put on a brand new garage said water leaked into the soffits and walls, and that their builder found the gutter install was terrible and the roof drip edge mangled; that 2023 reviewer said the new owner did not make any effort to correct the issue. In a 2022 review, a customer said they paid a 50% deposit, the installation was rescheduled because parts were missing, calls went unanswered, and they drove out to get the deposit back. In a separate 2022 review, a customer said their original quote was lost due to an office move and their calls and voicemails went unanswered.
Typical your area range for this kind of work, from regional averages — not a quote from Granite State Gutter Co LLC. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$4,000 – $11,000
Typical exterior project around $7,500
Bill was great to work with! He came out promptly to give me a quote on the work we needed done and so far I am very satisfied with the work he’s done. Communication has been great, he’s very respectful, and fairly priced. Would highly recommend.
We used this company to put gutters on our brand new garage. We soon after discovered water was leaking into our soffits and walls, all of our insulation was soaked and full of ants by the time we noticed the issue. We had our builder come out and inspect. He found the gutter install was terrible and the company had mangled the roof drip edge to stuff the gutter up on the shadow board. They told me they were going to install on the shadow board but I didn't know they were going to destroy the drip edge on my brand new garage to do so and create water problems. I Tried contacting the New owner and he wanted nothing to do with it and did not make any effort to correct the issue. Resolved the issue with a different company. I was very disappointed with the quality of work and lack of integrity.
In May of 2022 they came out and gave me an excellent quote for gutters. They asked for a 50% deposit do to the cost of some of the gutters. I paid and asked if late July/early Aug would be an issue for getting the gutters done. Spoke via email and phone about once a month, and they responded. Come late July I reached out about scheduling and they said mid August. I said excellent and left it at that. Late August I called and no response, emails were not returned. I was able to get an answer when I called with a friends phone. They promised a early-mid September installation. I clarified that the last week in September we would be unavailable and they said it would absolutely be completed by then. Morning of Sep 19th they called and asked if today was a good day, I said yes and max preparation to leave work. Shortly after they called and said they were missing some parts and if we could reschedule. I said yes, I would be back Oct 2nd and if that would work. The owner said he was personally driving to get the missing pieces that day and would see me Oct 2nd. I planned to take the day off from work. Late morning on the 2nd I heard nothing, I call and no answer and I send an email, no response. I borrowed my friends phone and they pick right up. They are still missing the parts, and forgot to let me know. I said I completely understand delays that they can’t control but would just like an update etc. owner promised to call/email by the end of the week with an update. No call, so the next week I drove out to get my deposit back. They didn’t put up much of a fight returning the deposit, that’s the only positive. The reason I wanted to write this is to save future customers the headaches. Almost 6 months of telling me that everything is good when in fact it isn’t. I am glad that I ended up not having gutters installed by them, I can’t imagine trying to reach them if there had been a problem after the instal.
I received a quote from Bill over a year ago. He advised us to add some hanging blocks in order for the gutters to work efficiently. Having the recommended work completed this spring, I called them back, ready for the installation. Seems that the company has been sold. to his daughter and son-in-law. I was told they lost my original quote due to an office move, then I was advised my requested color was on backorder. Next I was told I was on the "list" and they were about five weeks out. That was four months ago. My calls go unanswered and there is no response to my voicemails. I can't imagine how responsive they'd be if a customer experiences a problem with a job they've done. Very poor customer service!
Used for complete install of gutters around entire house. Outstanding responsiveness, follow-through and customer service. Michael took care of everything and was extremely easy to work with. I highly recommend them.
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2 changes recorded — last scanned Sep 30, 2026.
Whole-exterior packages5.0
Honest assessments5.0