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TRUSTED BY MONTCLAIR, CA HOMEOWNERS

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    Average homeowner rating
  • Verified reviews icon263
    Verified glass block window services reviews

Top-Rated Glass block installation pros in Montclair - Updated Nov 2026

AG GLASS
5.0(
32
)
Stained or Specialty Glass - Install or Replace

Serving Montclair, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Credit card accepted

"Detail-Oriented & Fast — AG Glass is the Best! AG Glass did an outstanding job installing glass enclosures on two of my showers. When Jorge went to pick up the hardware I had chosen, he noticed it wouldn’t match my champagne bronze sink and shower fixtures. Instead of just installing it, he called me right away and worked with me to find the perfect match. That kind of attention to detail and customer care is rare, and he handled it without causing any delays. The price was very fair, they came out almost immediately, and the work was completed quickly without sacrificing quality. Everything looks beautiful, and I couldn’t be happier. I highly recommend AG Glass for their professionalism, speed, and top-notch craftsmanship."
Response time7 hrs
Response rate92%
1 neighbors recently requested a quote
Avatar for JD's Stained Glass
JD's Stained Glass
4.9(
53
)
Stained or Specialty Glass - Repair

Serving Montclair, CA and surrounding areas

Approved

In business since 1994

Free estimates

Customers say: Quality work

"Raul did the most perfect, artistic repair of the stained glass window in the door of our entry way. I made the window 40 years ago, in great detail in a stained glass class that I took. It was my second window and very challenging with beautiful colored antique glass with designs of ribbons weaving through flowers. My son accidentally cracked a piece of glass many years ago. I was afraid to have someone attempt to fix it because I thought it would be impossible. Raul's work was magnificent!!! He was able to match the different glass pieces that had broken over time. I couldn't be happier, just wish I would have called him years ago. Raul has my very highest recommendation. We are super delighted with the results."
Response time12 hrs
6 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for McCormick Home Builders, Inc.
McCormick Home Builders, Inc.
4.7(
42
)
Stained or Specialty Glass - Repair

Serving Montclair, CA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: True professional

"We could not be happier with our new bathroom, thanks to McCormick! Khaled was knowledgeable and really took the time to understand our style preferences. The whole team was great about keeping the workspace tidy, which we appreciated. Now, we have a bathroom that feels luxurious and welcoming. Highly satisfied with their work!"
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Response time6 hrs
Recommended by17%of homeowners
Avatar for AA Millennium Glass
AA Millennium Glass
4.6(
88
)
Stained or Specialty Glass - Install or ReplaceStained or Specialty Glass - Repair

Serving Montclair, CA and surrounding areas

Free estimates

Emergency services offered

Credit card accepted

"The job was done nicely. However, after setting up the install several weeks in advance because of logistics, they cancelled due to out of town something. The next time install was scheduled, they were running so late because of either traffic or accident or ? we agreed another day. Job performed nicely, however I have asked three separate times to get a copy of invoice. This was done at a rental unit and my tenant gave them the check. I had the check waiting for him, he cashed that day, but cannot seem to give me a copy of invoice. Very poor business practice. I did my part of the job. I would not hire him again because of this. I want my invoice."
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Recommended by90%of homeowners
Avatar for Sutton's Glass & Mirror
Sutton's Glass & Mirror
5.0(
3
)
Stained or Specialty Glass - Install or ReplaceStained or Specialty Glass - Repair

Serving Montclair, CA and surrounding areas

In business since 2017

Credit card accepted

"I recently had the pleasure of working with Sutton's Glass and Mirror for the installation of new windows at my home, and I am thrilled to give them a resounding 5-star review. From the initial consultation to the completion of the project, their professionalism, craftsmanship, and attention to detail were truly outstanding."
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+12

Recommended by100%of homeowners
Avatar for SILVER SHOWER DOORS
SILVER SHOWER DOORS
4.7(
18
)
Stained or Specialty Glass - Install or ReplaceStained or Specialty Glass - Repair

Serving Montclair, CA and surrounding areas

Credit card accepted

"Woke up one night to a shattering noise, which was one of the glass shower walls crashing to the floor.  Called several other businesses to replace the glass, but their initial estimates were well over the Silver Shower Door estimates.  And since we are considering a bathroom remodel, it really didn't matter too much about quality, as much as cost.  They came out to get the measurements, and ordered the piece of glass.  When the glass came in, there was a scratch in the glass, and they had to re-order.  I said the scratch was OK since we were going to remodel anyway, but they insisted of re-ordering.  So, a couple of days later, they came back with the new glass, which was an excellent piece of glass; didn't see any drop in quality from the existing glass.  Installation was done in a snap.  They also replaced a splash guard at the bottom of the shower door at no additional cost, and were willing to reverse the door hinges, which were originally installed backwards, but since the door was functional, we chose not to have the hinges reversed.  Good company.  Would definitely use then again.
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Recommended by86%of homeowners
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Glass Block Windows FAQs, answered by experts

Yes, professionals can install decorative or colored glass block patterns for a unique look.

Luckily, glass block windows need minimal maintenance. Other than regular cleaning, the only maintenance involved in having a glass block window is inspecting for cracks every year and applying sealer to the mortar joints if the blocks are set in masonry mortar. Glass block windows hold up well against wind and moisture better than traditional windows and are not prone to rot.

Glass block windows aren’t fire hazards; fire-rated glass block windows can increase your home’s fire safety. Modern glass blocks are made with materials that can resist high temperatures and prevent fire spread. Most offer a 45-minute fire rating, while some increase it to two hours. Compared to the typical 20 to 90 minute rating for a double-pane window, glass block can increase your home’s safety in the event of a fire.

Glass walls are more expensive overall than their brick or drywall counterparts. However, if you need walls for a building with more than two or three stories, glass walls are the more budget-friendly option.

Installing glass block windows has benefits and disadvantages, as with most materials. The pros and cons can vary depending on the type of glass block and the window location.

Pros

  • Maintains privacy while letting light into the bathroom

  • Energy efficient

  • Sealed to prevent drafts

  • Aesthetically pleasing

  • Strong and secure

Cons

  • Costly to install

  • Challenging installation

  • Challenging repair

The Montclair, CA homeowners’ guide to glass block window services

From average costs to expert advice, get all the answers you need to get your job done.