SF Guitarworks Musical Instrument Repair: $125 Potrero Setup

San Francisco Guitarworks works out of 323 Potrero Avenue at 16th Street, and it only sees customers by appointment, on Wednesdays and Saturdays. That is the first thing to know if you are searching for musical instrument repair after a cracked bridge or a buzzing neck. You cannot wander in with a guitar on a Tuesday afternoon.

Geoff Luttrell has owned the shop since 2001, according to the Our Techs page, and he still describes himself there as the master guitar tech rather than a manager. Over those years the business grew a second branch, Sonoma County Guitarworks in Petaluma, which keeps longer appointment hours from Wednesday through Saturday. The San Francisco room stays small and focused. That shapes the visit: you are booking time with people who spend the rest of the week with their heads over frets, not with a sales floor that happens to have a repair counter in the back.

The FAQ is blunt about scope. Guitarworks repairs non-orchestral stringed instruments: acoustic, classical and electric guitars, electric basses, banjos, mandolins, ukuleles, dobros, ouds and dulcimers. It does not work on amplifiers, pedals or keyboards, so a crackling combo amp needs a different shop. Violins and cellos also fall outside the list. If your problem is a banjo head or an oud with a lifting bridge, though, this is one of the few city benches that names those instruments outright, which saves a round of phone calls to shops that only handle Strats and Les Pauls.

Few repair shops in San Francisco post numbers this detailed, and it is worth reading the page before your appointment. A standard restring is $35, while a Floyd Rose, classical or 12-string restring is $50. Setups run $125 for a standard guitar, $150 for a mandolin, $180 for a Floyd Rose and $185 for a 12-string. Fretwork is where the shop's tooling shows. A Plek fret level, which includes a setup, is $325 for a standard instrument. A standard nickel refret is $650. A bone nut is $125. A Martin neck reset is $850, and a bridge pull and reglue starts at $330.

That Plek line is the reason many players cross town. A Plek machine scans each fret under simulated string tension and then dresses the frets to a measured profile, instead of relying on a straightedge alone. For a player chasing low action without buzz on a vintage neck, the result is more repeatable than hand leveling. The honest catch is cost. If your guitar plays fine and only needs fresh strings and a truss rod tweak, the $125 setup is the better spend, and the Plek can wait until the frets are actually grooved under the first few positions.

The FAQ explains that the shop allows about fifteen minutes per guitar at evaluation. Bring one instrument, or book extra time for a second, and arrive with the case unlatched and a short list of symptoms: where it buzzes, which string goes sharp, when the jack cuts out. Nothing is fixed on the spot. Setups, fret levels and pickup installs typically take one to two weeks, per the policy page. A rush job with a three-day turnaround adds 50 percent to the labor charge, so save it for the week before a gig rather than a casual tune-up.

Three rules from the policy page are easy to miss. There is a minimum charge of half an hour, listed as $85, for jobs that turn out smaller than expected. A consultation on a custom build or a complicated restoration costs $75 for thirty minutes. Missed appointments carry a $40 cancellation fee. Finished instruments left more than 30 days also pick up an $80 storage fee, so plan your pickup before a long trip. None of this is unusual for a busy bench, but knowing it ahead of time keeps the invoice from surprising you.

The customer list reads like the city's music scene in miniature. There are gigging bassists from the Mission bars who need a jack replaced before Friday, and classical players with a lifting bridge on an old cedar top. Banjo and mandolin players come because few other city shops name their instruments. Collectors bring vintage acoustics for neck resets, since a Martin reset has a fixed $850 line rather than an open quote. If you are a beginner with a buzzing starter guitar, a standard setup at $125 may cost close to the guitar's resale value, so weigh that before you book.

Skip this bench for anything electronic beyond the guitar itself, and for any repair you need the same afternoon, because the shop does not do on-the-spot work. For saxophones and clarinets, Lee's Sax Worx on Taraval Street keeps walk-in storefront hours from Tuesday to Saturday. For flutes, oboes and bassoons, Deitch's Woodwind Workshop on Clement Street handles every woodwind except saxophones. If your Wednesday slot falls through, the Petaluma branch has more appointment days and the same price list, and it is about an hour north by car.

The shop sits where the Mission flattens out toward the base of Potrero Hill, and the blocks around it reward a short loop after drop-off. Walk two blocks east to Franklin Square, a sunny park with a soccer pitch and benches where you can wait for a ride without carrying a gig bag through traffic. Head west on 16th Street toward Mission Street for taquerias and coffee, then catch BART at the 16th Street station, roughly a twelve-minute walk. Muni's 22 Fillmore runs along 16th Street and the 9 San Bruno along Potrero Avenue if you would rather ride.

• Address: 323 Potrero Avenue at 16th Street, San Francisco, CA 94103. The locations page asks customers not to mail instruments to this address. - Hours: By appointment, Wednesday and Saturday. Booking is also available through the website. - Prices: setup $125, restring $35, Plek fret level with setup $325, standard nickel refret $650, bone nut $125, electronics diagnosis $85. - Turnaround: one to two weeks for setups and fret levels, three-day rush at 50 percent extra labor. - Owner: Geoff Luttrell, with the shop since 2001. - Use the Karpo APP to line up a coffee or lunch near 16th Street around your drop-off slot.