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Top-Rated Glass block pros in Alamo - Updated Nov 2026

Avatar for McCormick Home Builders, Inc.
McCormick Home Builders, Inc.
4.7(
42
)
Stained or Specialty Glass - Repair

Serving Alamo, CA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: True professional

MCCORMICK HOME BUILDERS INC We're a locally owned and operated company that values honesty and integrity and treats your home or business as if it were our own. We are experts in all aspects of roofing projects and our services are customizable to each individual project. We specialize in both installations and replacements. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction! \n \n

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+1

Response time6 hrs
Recommended by17%of homeowners
Avatar for Different Group Glass
Different Group Glass
4.6(
16
)
Stained or Specialty Glass - Repair

Serving Alamo, CA and surrounding areas

In business since 2017

Free estimates

Emergency services offered

"The work was not performed by Different Group Glass because prior my partner arranged for another company to provide the service. I will consider Different Glass in the future, because the phone and online interactions were courteous. Nate was very responsive and the customer service was excellent."
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+11

Recommended by93%of homeowners
Avatar for Five Star Windows
Five Star Windows
4.6(
179
)
Stained or Specialty Glass - Repair

Serving Alamo, CA and surrounding areas

In business since 1980

Free estimates

Credit card accepted

"I own a relatively large Eichler home. When it comes time to replace my 30+ windows and 5 sliding doors, I did my research and received more than a few quotes.

Terry was the only company that came more than 1 time, as a matter of fact, 6 times, to come, explain the materials and options, re-visit to confirm what needs to be done, etc. Five Star Windows was the only company that showed me different double pane glass with Low E, Low E2, and Low E3 coatings and demonstrated how effective each is against heat. Terry also explained the price difference and recommend the one that would be ideal for an Eichler.

I was also replacing my skylights, all twelve 2 feet by 6 feet panels. All the other companies came, did the measurements, and offer exact double pane replacements. Terri took the time, did the measurements, explain to me what type of glass will give me the the optimal heat reduction. He also explained the current codes and what is required and safest for my family. What impressed me the most was he went up the roof, came down, and went back up again and was able to identify who made the Skylight frame. Granted my house was built in the 60's, but he identified the maker of the frame and contacted the maker to inquire if a new frame is more suited for my new triple pane skylights. This passion, knowledge, and expertise is welcome and not seen from other vendors I received quotes from.

On top of all the window work, I also decided to replaced my front door to a new pre-hung door with better weather proofing and seals.

I decided to go with Five Star even though they were one of the more expensive quotes, but I also believe in "you get what you pay for", and I am glad I did.

When all the windows came, Terry and his team Glenn and Jeff inspected every piece of glass. One of the glass was of wrong measurements, and it was sent back immediately for a new one. Then there were these twelve triple pane skylight glass panels. Upon inspection, Terry did not like how the seals were done and sent all twelve panels back. I would not have known otherwise, but Five Star took the initiative and took care of me. They could have ignore the issue and avoid the hassle, and I am glad they did not.

The install was done timely and as promised. Throughout the 3 week installation process, the crew Glenn and Jeff came on time daily and cleaned up every day when they are done.

The new front door handle and lock set took 6 weeks to come, and it came in the wrong color because of my own fault. Heather from the office worked with me and re-ordered. This time around, one of the lock sets did not work, so Heather ordered another set for me. The third time around, the incorrect set was picked and shipped by the shipper, and then the forth time, the lock handle was not the correct side, and the fifth time's the charm. Throughout this process, Heather had been more than accommodating and patient with me. I was frustrated myself, but she was professional and followed though every time.

On a final note, 2 months after the install, I notice a 6 inch scratch on one of the sliding doors. I called Five Star, and they had the manufacturer come and replaced the door panel, no questions, no hassles.

I am very glad I chose Five Star, I would recommend them to any of the my friends and family. I would say it again, you get what you pay for. Five Star and the entire team certainly showed me a quality and hassle free experience."
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+34

Recommended by95%of homeowners
Avatar for SGK Home Solutions Inc
SGK Home Solutions Inc
4.5(
163
)
Stained or Specialty Glass - Repair

Serving Alamo, CA and surrounding areas

Free estimates

Credit card accepted

"Mostly, everything went well. Not having done this sort of thing before, we were a bit unsure as to whether we knew all the right questions to ask, but when Frank, our estimator, came out, he listened well and presented clear options which made us feel confident all would go well. We were happy with our choices, and all of the major work was done in a very timely and professional manner. The one hitch we had was with the window frames which were installed around our sliding glass doors. We assumed that the completed job would include the painting of these door/window frames (we even had the paint), but when the three workers finished up, the lead told us that painting was not included in the installation. We didn't think this was fair since we had not been previously told about this exclusion. Finally, after a lot of back and forth over a period of three weeks, the SGK owner agreed to send out a painter who would paint the window frames at no extra cost to us. Alas, the painter did a terrific job (we tipped him to show our appreciation), so all is now well.

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+9

Recommended by90%of homeowners
Avatar for Dragan
Dragan
4.4(
36
)
Stained or Specialty Glass - Repair

Serving Alamo, CA and surrounding areas

In business since 1998

Free estimates

Emergency services offered

"Excellent craftsmanship. Very reasonable price. Quote was right on target. New bathroom floor tiling. New extended glass shower enclosure with all new tiling floor to ceiling. New lighting and vanity with sink and custom fixtures."
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+32

Recommended by100%of homeowners
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Glass Block FAQs, answered by experts

Glass block installation can be relatively expensive due to the range of material costs and the labor time to assemble this type of specialty window. The process proceeds slowly as the glass does not absorb moisture from mortar and silicone caulk takes longer to harden, leaving spacers to hold up the structure until the caulk or mortar begins to cure. Plus, if your current windows have structural issues or damage, you’ll need to repair them before beginning the project, increasing your bottom line. 

Although glass block windows are made of multiple layers of thick glass, they can still break. If an individual block shatters, it can be removed and replaced, but this is a job for a window repair professional. The project is often complex and may require breaking the block further for removal. Do not attempt to handle it yourself, as the broken glass can be dangerously sharp. A professional will have the necessary tools and expertise to replace the broken glass block quickly and safely. Before hiring, confirm that the repair pro has experience with this specific type of window.

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

You can still see vaguely into some types of glass block windows at night. Although there won’t be clear definitions, passersby may still see shapes, shadows, and movement through the glass. If you want complete privacy, consider installing diamond glass block windows rather than the typical clear or wavy glass blocks.

Heavy glass tends to be more expensive than thin glass because it is stronger and more durable. In most cases, ¼-inch-thick glass is ideal for mirrors, and ⅛-inch-thick glass is ideal for residential windows. Heavier glass isn’t always necessary, and can be more challenging to hang or install. Work with a local window installation pro for replacement or new construction windows.

The Alamo, CA homeowners’ guide to glass block services

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