About us
Business highlights
34 years of trusted experience
Services we offer
Amenities
Free Estimates
YesSenior Discount
yes
Accepted payment methods
Photos of past projects
Reviews
5.056 Reviews
Showing 51-56 of 56 reviews
John M.
10/2015
glass block
 + -1 moreunknown
Description of Work: Installed a glass block window in the basement of a rental property I own. Did a beautiful job in a timely manner. Gave written proposal with no hidden charges. Window and work were completed in less then a week. I would highly recommend and use for future needs.
| Rating Category | Rating out of 5 |
|---|---|
| quality | |
| value | |
| professionalism | |
| responsiveness | |
| punctuality |
Yes, I recommend this pro
$400
Edward O.
09/2015
glass block
 + -1 moreunknown
Description of Work: .
| Rating Category | Rating out of 5 |
|---|
Yes, I recommend this pro
John D.
09/2015
glass block
 + -1 moreunknown
| Rating Category | Rating out of 5 |
|---|---|
| quality | |
| value | |
| professionalism | |
| responsiveness | |
| punctuality |
Yes, I recommend this pro
$850
Daniel L.
02/2015
glass block
 + -1 moreunknown
| Rating Category | Rating out of 5 |
|---|---|
| quality | |
| professionalism | |
| punctuality |
Yes, I recommend this pro
$2,000
joseph R.
06/2014
glass block
 + -1 moreunknown
Description of Work: Repaired broken windows and did a house inspection
| Rating Category | Rating out of 5 |
|---|---|
| quality | |
| value | |
| professionalism | |
| responsiveness | |
| punctuality |
Yes, I recommend this pro
$600
Bart P.
06/2012
glass block
 + -1 moreIt went without a hitch.
Description of Work: Keystone put in glass block windows in our basement. A great job. They worked with our heating contractor to resolve an issue with a fresh air intake. A professional looking job, professionally done. The work was done in one day. The finished job looks great. The price was fair. I am very satisfied with the work.
| Rating Category | Rating out of 5 |
|---|---|
| quality | |
| value | |
| professionalism | |
| responsiveness | |
| punctuality |
Yes, I recommend this pro
$2,600
Contact information
1230 E Mermaid Ln, Glenside, PA 19038
http://keystoneglassblockllc.comService hours
Monday:
7:30 AM - 4:00 PMTuesday:
7:30 AM - 4:00 PMWednesday:
7:30 AM - 4:00 PMThursday:
7:30 AM - 4:00 PMFriday:
7:30 AM - 4:00 PMLicensing
Licensed*
Trade License Number
PA037107
Trade License Locale
Pennsylvania
Trade License Authority
Pennsylvania: Home Improvement Contractors
Trade License Expiration
07/06/2025
State Contractor License Requirements
All statements concerning insurance, licenses, and bonds are informational only, and are self-reported. Since insurance, licenses and bonds can expire and can be cancelled, homeowners should always check such information for themselves. To find more licensing information for your state, visit our State Contractor License Requirements page.
*Contact business to see additional licenses.
Service Categories
Glass Block,
Windows
FAQ
Keystone Glass Block, LLC is currently rated 5 overall out of 5.
Monday: 7:30 AM - 4:00 PM
Tuesday: 7:30 AM - 4:00 PM
Wednesday: 7:30 AM - 4:00 PM
Thursday: 7:30 AM - 4:00 PM
Friday: 7:30 AM - 4:00 PM
Keystone Glass Block, LLC accepts the following forms of payment: Check
Yes, Keystone Glass Block, LLC offers free project estimates.
No, Keystone Glass Block, LLC does not offer eco-friendly accreditations.
No, Keystone Glass Block, LLC does not offer a senior discount.
No, Keystone Glass Block, LLC does not offer emergency services.
No, Keystone Glass Block, LLC does not offer warranties.
Keystone Glass Block, LLC offers the following services: Glass block windows
Window bubbles
Glass block walls for showers stalls
Decorative glass block dividers for offices, e.g. Doctors' offices, which lets in more light
Glass Block for any application--feel free to call to discuss what you have in mind
Roll away screen doors
Installation of retractable awnings
Contact information
1230 E Mermaid Ln, Glenside, PA 19038
http://keystoneglassblockllc.comService hours
Monday:
7:30 AM - 4:00 PMTuesday:
7:30 AM - 4:00 PMWednesday:
7:30 AM - 4:00 PMThursday:
7:30 AM - 4:00 PMFriday:
7:30 AM - 4:00 PM