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Tenorio WERX TENORIO WERX is a locally owned company that builds and services guitars. All clients are seen by appointment only in order to see and hear their playing style and to talk about options for repair on their electric or acoustic guitar/bass or options for a hand built instrument. Mark Tenorio has been building and repairing musical instruments professionally since 1987.

He began his formal training in 1989 at the Roberto Venn School of Lutherie in Phoenix, AZ. The course work at Roberto Venn concentrated on the construction and design of the electric and acoustic guitar.
Services
Full Set Up includes: restring, intonation set using a Peterson Strobe Tuner 490, adjust truss rod, set action, adjust bridge, adjust bridge angle, pick up height, clean and wax fret board, clean controls, tighten hardware, check wiring, adjust nut slots, check trem studs, and more. WE CATER TO YOUR PLAYING TECHNIQUE. Most vintage trems will stay in tune with a little work.
We often have requests to add everything from initials to custom designs onto finger boards of custom built instruments to the occasional flying V. You may have only a general idea or you may know that you want something very specific in your favorite font. Check out a few of our custom inlays that we have done at our studio.
Guitar Repair Basics: This course is designed to give you the knowledge and terminology to understand the mechanics of the guitar, maintain your instrument once it has been professionally set up, evaluate your instrument, and what to look for when purchasing new and used instruments. Bring one electric, acoustic (steel string or classical), or bass to be evaluated.
Mark at Tenorio Werx is amazing! I own a handmade bass and recently wanted to have new pickups installed. After having bad luck with another place intown, I called Mark based on his reviews. Not only did he see me on a Saturday which he was getting caught up, he spent an hour of this time talking to me about what my needs where and why my bass isn't filling my low-end needs. I learned more about my bass, woods, electronics, amps, strings, pick placement, etc. in an hour with him than I have in the past 20 years.
Reviews (14)
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Erek Brown
May 29, 2022
Very thorough and knowledgeable. Mark asks you all the important questions and truly cares about getting your instrument to perfectly fit for you.
Randall Brant
Apr 09, 2022
Mark is a great guy, and he does terrific work! I absolutely recommend him.
Benjamin Rifkin
Mar 15, 2022
Thanks Mark for your help today. You were so honest with me about the issues with my guitar and provided me with a reasonable remedy. I was referred to you by Fender directly and they were spot on in terms of great service. I also really appreciated the ability to set and appointment with and have a one on one experience without the distractions that can be found in a large music store. Thank you again for your service Mark.
Darin Davis
Feb 16, 2022
Lat year, Mark did a setup for me on a Charvel So-Cal (orange one in the photo). Absolutely perfect. I had the setup done by someone else previous to that, and I regretted it. We also discussed playing/picking style, string gauge, pick selection, action, and a variety of other things. Very thorough consultation, and I learned a lot. A year later, and I'm so impressed and thrilled every time I pick this thing up to play. 5 stars, and THANK YOU!
Clay Tarpley
May 06, 2021
I brought my Les Paul to Mark after purchasing it used and the previous owner had some very poor quality work done to it. Mark was able to repair and correct the workmanship issues bringing it back to a gorgeous playing and looking guitar. This guy is truly a master of his craft! Spend ten minutes with this gentleman and you will recognize he is a true craftsman and professional. I feel the price is affordable given the level of experience and mastery workmanship Mark provides. AAA+++ Thank you Mark! -Clay T
Brad Bombardiere
Apr 10, 2021
15+ years of taking care of my Guitars the best of the best. There is not much else to say. Last work I had was a re-fret on my Strat it went from great to amazing. Detailed work in which Mark makes sure your guitar is right for you.
Craig Swank
Feb 07, 2021
As almost all the other review say, Mark does excellent work, but another thing that sets him apart is that he is able to give advice about strings, setup, etc., if you want it. That's the part I appreciate since I've only been playing 1 1/2 years. I don't necessarily know what I want and Mark helps with that.
Brody E.
Oct 09, 2020
Great service! Custom made a nut for my bass, fixed issues with the wood drying out, and still got it done a day earlier than promised! I will definitely be going here from now on!
Terry M.
Mar 03, 2020
I have had several guitars repaired by Mark Tenorio and can't speak highly enough about his work. He is as straightforward as he is skillful. He has a particular knack for restoring proper intonation to instruments where time and general wear have caused problems. He did this on three of my vintage instruments; I trusted him with the work when all I could get from some other local "luthiers" was BS.

Most recently he looked at an old Yamaha of mine, a student model I bought almost 50 years ago. I had a pickup put in it years back and wanted to know if it was time to upgrade, and could he work his intonation magic on this old thing? (By the way, even an old student model plywood guitar sounds pretty good with age. And the top has gone from light yellow to almost a burnt orange.

Back to Mark.) So he said, nothing wrong with the pickup, found all sorts of correctable issues with action and intonation, and next thing you know I've got a pretty good gig guitar. Playable in all positions and sounds really good amplified. So that's it - no BS, just straight talk backed up by excellent craftsmanship.
Paul F.
Mar 02, 2019
You never hear people talk about luthiers as artist. But this guy has it. I've had three guitars worked on including two re-frets. Just an amazing job! Very happy and would recommend highly for any needs from electronics to neck work.
Michael C.
Jan 07, 2019
WOW! Mark at Tenorio Werx is amazing! I own a handmade bass and recently wanted to have new pickups installed. After having bad luck with another place intown, I called Mark based on his reviews. Not only did he see me on a Saturday which he was getting caught up, he spent an hour of this time talking to me about what my needs where and why my bass isn't filling my low-end needs.

I learned more about my bass, woods, electronics, amps, strings, pick placement, etc. in an hour with him than I have in the past 20 years. He had me plug in and play and then he started making recommendation on how to achieve the tone I'm looking for. ALL FOR FREE! No one else in town will do that! If you want the names of bad luthiers in Denver, I can supply several, if you want the names of some good luthiers in Denver, I can supply maybe one or two, if you want an amazing, knowledgeable and honest luthier in Denver, It's Mark at Tenorio Werx!
Tom L.
Nov 21, 2018
Mark is simply the best repair guy in the city, and one of the best in the world in my honest opinion! He'll take time to learn your specific playing style and will set up your instrument to your specifications. Don't know of anyone else spending that kind of time with their clients. He can take an average-playing guitar and transform it into a beast!

I know, because he's done it for me more than once. Works by appointment only, so you know he's in-demand and will take the time to do it right! He's been working on my guitars for 20 years now and he's the only one I'll trust to work on many of my instruments. If you truly care about your instruments you'll take them to Tenorio Werx. Your guitars will thank you!
Polk R.
May 05, 2018
It's been a pleasure working with Mark! He is extremely professional and went above and beyond to complete my project fixing my guitar even though I needed it urgently right before the concert. I'm sure it's the only shop in town where you can get your guitar fixed, remodeled and even get guitar lessons!
Chuck S.
Oct 19, 2014
Mark is a pleasure to work with and was able to take care of all of the issues I was having with my fender Telecaster. I doubt I will ever visit one of those chain stores again for setup/repair work. Excellent service from a local small business! Thank you Mark!