Sliding Door Guru
Licensed window and glass contractor in San Diego, California
Sliding Door Guru holds CSLB licence 1033900, active, licensed since 12 Dec 2017, rated 4.3 from 23 Google reviews. Bonded for $25,000 with Merchants Bonding Company (Mutual). Clean CSLB record, with no citations, complaints or legal actions disclosed.
Report card
- Licence activeCSLB #1033900, class C17. Issued 12 Dec 2017, expires 31 Dec 2027.
- Licensed 9 yrsSince 12 Dec 2017.
- Bonded$25,000 with Merchants Bonding Company (Mutual), since 16 Jul 2026. California requires the same $25,000 bond of every contractor.
- Clean CSLB recordNo citations, complaints or legal actions disclosed.CSLB record
- On the BBB, not accreditedIts BBB rating, complaints and reviews are on its Better Business Bureau profile.BBB profile Complaints Reviews
Checked against the Contractors State License Board (CSLB) register on 4 Nov 2026.
About Sliding Door Guru
- People on the licence
- Karl Franklin Krumme (owner)
Google reviews
4.3(23 reviews)Rebecca Alabsi★★★★★ 6 months agoView on Google
We had 4 different door specialists come to our home and no one was able to resolve our situation. We have a 10 ft vinyl frame sliding door that opened from right to left but needed to switch it to open left to right to make our home functional. Karl was able to do it quickly in one day and now it rolls very smooth. He also changed the track for the screen and replaced the screen. It looks and functions brand new. Th…
Oliva Baronner★★★★★ 11 months agoView on Google
Karl was referred to me and we are so happy to have found Karl. He is definitely a Guru Glazier! Our sliding glass door had shattered and it would have taken other companies approx. 10 days to order the right size glass and another couple of days to replace it. Luckily, Karl had the exact size glass we needed in stock, Hallelujah! Karl was able to immediately come over (the same day we called) to replace the shatt…
Scott Mccurry★★★★★ 4 years agoView on Google
We found The Expert in Sliding Doors. Karl impressed us so much with his knowledge, skills, and experience. He new exactly what to do when we spoke on the phone about our issue, once he arrived he went right to it a real craftsmen and a pleasure to speak with. He stands out alone in his field and its a shame we don't have more Karl's in all industries who care about their skill and take pride in it. We recommend Karl…
Tom D★★★★★ 2 months agoView on Google
Ken was super knowledgeable and helpful. Took care of two problems in one day absurd best.
Stacy Davidson★★★★★ a year agoView on Google
My father and I hired Karl to replace the glass in his windows and slider and glass in my slider in two different condos. Karl left glue all over the windows and when asked about it said he would return to clean them. It took numerous phone calls to get him back. He then worked on my sliding glass door and left it in worse shape than it was before he started. My painter even commented on what a horrible job was done.…
Read all 23 reviews on Google Reviews and photos from Google, 4 Nov 2026.
Why it ranks #115 of 116 window and glass contractors in San Diego
Score 64.5 / 100. Claiming this listing or using Theo never changes it. How we rank
Other top window and glass contractors in San Diego
See all 116- 1
Clear Concepts Windows & Doors
- Licence active
- Bonded
- Workers' comp
- 2
B M Windows Incorporated
- Licence active
- Bonded
- Workers' comp
- 3
Discount Glass & Mirror
- Licence active
- Bonded
- Workers' comp
- 4
Advance Glass and Mirror
- Licence active
- Bonded
- Works alone
- 5
On Time Installations
- Licence active
- Bonded
- Works alone
- 6
R B Glass & Mirror Inc
- Licence active
- Bonded
- Workers' comp