John Wallace Guitars brings together boutique guitar building and expert repair services in San Diego, California. Luthier John Wallace crafts distinctive custom electric guitars, including the Aventine and Helix models, while maintaining a full-service repair shop that handles both electric and acoustic guitars of all brands.

The shop’s dual focus on custom builds and instrument repair means customers benefit from genuine luthier-level expertise. Wallace approaches every guitar setup, fretwork job, and structural repair with the same precision he applies to his handcrafted instruments. His experience building guitars from the ground up gives him unique insight into solving complex repair challenges that typical guitar techs might struggle with.

The repair side of the business handles everything from routine setups to more involved work like bridge repairs on vintage instruments. Wallace has documented repairs on classic guitars including vintage Martin acoustics, demonstrating his comfort working with valuable and delicate instruments. His San Diego workshop serves players seeking repairs backed by true lutherie knowledge rather than basic tech work.