Improve your home's structural durability with products and services from A1 Seamless Gutters. We are based out of Niantic and Old Saybrook Connecticut. We are family-owned-and-operated business since 1977. Charlie Prevost and his wife Vanessa started the company in 1977. Their son, Shawn Prevost, is now the owner of the company.

He began working with his dad loading trucks and preparing material for the day's jobs each morning before Middle School. Shawn then began to install gutters, learning the business from the ground up. Today you can meet Shawn when he comes out to provide you with a free estimate, or you may even see him at your job completing your installation!

Our entire team, Melissa in the office is always ready to help with any questions you may have, our well trained, attention to detail and customer oriented installers and Shawn want you to be fully satisfied and come back to us year after year for all of your gutter needs! We install, clean, and repair gutters for residential and commercial properties.

Website Update

Services

Gutter Cleaning Report

Stop water before it damages your roof or foundation with seamless gutters and gutter toppers from A1 Seamless Gutters in Niantic, Connecticut. From gutter cleaning to gutter repair, our company takes care of all of your drainage needs, and all of our services are competitively priced. Our gutters move water away from your home and prevent costly damage from rain and debris.

Reviews (7)

Write a Review

Lynn M.

Aug 30, 2021

Report

Critical: Professionalism, Responsiveness, Value
I had a "warranted" gutter and leaf symtem installed. The gutters are packed with debris, the guard system was ineffective. There is water in the basement. Messages were left with these details and there is no response. Don't do business here.

Jeff Oswell

Jul 15, 2021

Report

I called A-1 Seamless Gutters left a detailed message and never got a return phone call !!!!

Jay P.

Jul 15, 2020

Report

This company is excellent. The follow through and communication is great. Thier work is the same. Thank you Shawn and Melissa. I highly recommend

Tony Alfieri

Jun 11, 2019

Report

Sean was supposed to come back at summers end and fix two areas of concern for me. One was cosmetic and the other was a 1/2 gap between gutter topper panels resulting in water leaking on deck and causing an icy puddle in winter. My wife insisted on keeping our money local. Don't make same mistake. Will be contacting BBB with pictures. What guarantee? SAD.

Matthew Montanari

Dec 28, 2018

Report

I had built a new deck and needed a new gutter over it with a reassigned larger spout. A1 came in and had it up in an hour. It looks and works awesome. Sturdy contstruction and the yard had no debris in it when they were done and gone.

Jeff Wentzel

Aug 13, 2018

Report

I called A-1 gutters to ask if someone could remove the bird nest in my gutters. Melissa said sure o problem. The very next day it was done. The guys were very kind and cleaned up after their self. I would totally give name out to others.

Mad Madame Mim

Aug 01, 2018

Report

This company is AWFUL. I spoke to the owner, Sean, who scheduled an appointment for the following day. I had to take the morning off from work to be home. Nobody showed. I called the same day. The following day. 4 days later. I left a message each time and still have not received any call back. I've heard similar reviews from others. Do yourself a favor-- this is an unreliable company -- go elsewhere!