On average, it takes 2-3 months to build a custom guitar which includes a short "settling in" period that allows the strings and the woods to work together.
How long does it take to make a guitar?
Questions?
Links
Acoustic Guitar Magazine http://www.acguitar.com
Guild of American Luthiers http://www.luth.org
Seattle Luthier's Group http://www.seattleluthiers.org
Peninsula Violin http://www.peninsulaviolin.com/
Duke Luthier Rosettes http://www.dukeluthier.com/
DePaule Supply / inlays http://www.luthiersupply.com/