4.5 
223 *The Angi rating for Glass Block Window Service companies in Concord, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Glass Block Window Service needs.
*The HomeAdvisor rating for Glass Block Window Service companies in Concord, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Glass Block Window Service needs.
Last update on August 12, 2026
Serving Concord, CA and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
"Excellent service. Prompt, great communication and very fair price. Carefully replaced window glass. Highly recommended."
+9
Serving Concord, CA and surrounding areas
Approved
In business since 2017
Free estimates
Customers say: True professional
"After dealing with frequent roof repairs, we finally decided on a complete replacement for our Livermore home. Avi kept us informed every step of the way, and the finished roof exceeded our expectations. It's made a noticeable difference during hot summer days."
+1
Serving Concord, CA and surrounding areas
In business since 1985
Free estimates
"Margaret did a wonderful job repairing our stained glass window. You can't even tell where the break was. I definitely recommend Margaret."
+5
Serving Concord, CA and surrounding areas
In business since 2017
Free estimates
Emergency services offered
"Installation completed in a little over an hour. Service person was a professional at his job. Area was protected from glass shards Inside and out of the house. I was satisfied with service."
+11
Serving Concord, CA and surrounding areas
In business since 1980
Free estimates
Credit card accepted
"I thought they were very positive. I liked them. I haven't had any window work done. I don't remember how much the cost was. They didn't do any work, so this is on their approach and bidding. I didn't use them because I haven't had the windows done. They did follow up and call me a couple of times, and I really appreciated that. I haven't decided and I am leaning in the direction of the contractor who came out to look at it; I just didn't get a bid from him. I would rather contact them if I decide to go with them."
+34
Serving Concord, CA and surrounding areas
In business since 1977
Free estimates
Credit card accepted
"There were great workers! They installed a new roof, did insulation inside/ fixed patched and put a window in the garage. There were quick, clean and the finished product was amazing! Definitely recommend their service!"
Serving Concord, CA and surrounding areas
In business since 1994
Free estimates
"We remodeled our kitchen, which I?ve heard can be a nightmare! Not for us! I have to say that all the crafts people from the demo guys, plumbing, drywall, patch, and paint, carpenters were all top notch, professional, courteous, and polite.? They did not disturb my neighbors, they arrived each morning when they said they would, and cleaned up every day.?? Highly recommend!"
+113
Serving Concord, CA and surrounding areas
In business since 2009
Free estimates
Emergency services offered
"They are very polite. They keep moving and get the job done. They go above and beyond. I thought they would be done with the windows by 4 pm, they actually were done at 6 pm, with adding little things on, and they didn’t charge me extra. They do a good job of hanging Christmas lights and usually have pretty good suggestions, based on what I want of where the lights should go and so forth."
+3
Serving Concord, CA and surrounding areas
In business since 2015
Free estimates
"We had some non efficient window panes replaced with energy efficient ones. Reza did a nice clean job and now the rooms are cooler."
+19
Serving Concord, CA and surrounding areas
Free estimates
Credit card accepted
"It went fine Sales guy was on time ,explained the products and cost with on going prmotoon Only thing I did not like was he took out on the street to show window so the other neighbor can see it like advertising while doing presentation"
+9
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