Espresso machine repair in San Francisco.

San Francisco is 48 miles from the bench, so countertop machines are collected on a run rather than one at a time. Book, and we name the day when we call back; the courier texts twenty minutes before arrival, photographs the machine at the door and takes a signature on his phone. The diagnostic is $145 and includes the courier both ways. It is credited in full toward the repair when you approve the estimate. The written estimate and photo report come by text while the machine is on the bench, and the repaired machine rides the next run back, or the one after when a part has to ship.

Flats and parking are the practical problem, not the distance. Give us the buzzer, the floor, and whether there is a loading zone; a courier who can double-park for four minutes on Valencia Street at 10am is a courier who finds your machine, and one who cannot is a courier who calls you from the car.

The bars run deep here. Valencia and the Mission, the SoMa roasteries, Hayes Valley, the Financial District at commute hour, Divisadero, Clement Street, the Outer Sunset’s surf-coffee strip, and the hotel lobbies around Union Square. Machines to match: La Marzocco Linea PB, Strada and GB5 in three groups; Slayer Steam and Slayer Espresso; Synesso S200 and MVP Hydra; Modbar under-counter groups in the newer builds; Kees van der Westen Spirit in a couple of the serious rooms; and on the grinder side Mahlkönig EK43 and E80, Mazzer Robur and Mythos.

These are serviced in place. The faults that come up on soft water are not the scale faults: group gaskets and shower screens cooked hard, pressurestats and PID sensors drifting, pump pressure down, steam valves weeping, needle valves on the Slayer flow system gummed with coffee oil, solenoids sticking. Commercial on-site service starts at $749 for one group and $1,049 for two; a single fault is estimated after the $145 visit. For a bar that is down we move a technician up the 101 outside the run.

The Union Square and Nob Hill hotels, the Embarcadero and SoMa offices, and the co-working floors run on super-automatics and batch brewers: Thermoplan super-automatics in the hotel breakfast rooms, Schaerer and Franke A800 in the lobbies, Eversys Cameo and Enigma at the better restaurants, Jura GIGA X10 and WE8 in the offices, Bunn and Curtis for banquet volume. The failure pattern on soft water is the brew unit and the grinder before the boiler: a machine doing 300 drinks a day wears its seals and its burrs on schedule whatever the water does.

We take these on a maintenance contract, $400 to $2,800 a year by machine count and interval, with a visit every eight to twelve weeks and a priority call-out in between. On the first visit we measure the water, which in this city usually means telling the facilities manager that the softener in the plant room can be switched off.

What rides the city run is the home machine from a flat in Noe Valley, Bernal, the Inner Sunset, the Richmond or Russian Hill: Breville Barista Express, Barista Touch and Oracle; Rocket Appartamento and Mozzafiato; Profitec Pro 500 and Go; ECM Classika and Synchronika; Lelit Bianca and Mara X; La Marzocco Linea Mini and Micra; Jura E8 and Z10; DeLonghi Dinamica and La Specialista. Flat-rate service on the bench is $159 for an entry machine, $219 to $319 for a super-automatic, $329 for a compact Jura, $249 for a Breville prosumer and $429 for an E61 machine. A repair beyond the service is estimated after the diagnostic.

On San Francisco water the usual home-machine complaint is not scale. It is a Breville that will not come to pressure because the group gasket is five years old, a Rocket whose vibration pump has run dry after the tank went empty, or a Jura whose level sensor cannot read water this low in minerals and reports an empty tank that is full. The last one is a thirty-second fix on the phone: a pinch of mineral drops or a different bottled water in the tank.

The filtration default from installers is the same cartridge-plus-softener package everywhere, and here it is wrong. At 62 ppm average hardness the water is already below the SCA’s recommended range; a softener takes it to zero and the shot tastes like warm paper. What a plumbed machine in this city needs is a carbon block for chlorine and taste, and possibly a remineralising stage if the bar is chasing a specific cup. What it does not need is the $1,800 two-tank system, and if a quote includes one for a Mission cafe we will say so in writing.

The exception is the late-summer blend in the south and west of the city, when reservoir water pushes hardness toward the top of the range. That is still soft by any Southern California standard. A yearly descale covers it.

The city run collects from Daly City, Colma, Brisbane and South San Francisco on the way in and out, since they sit on the same road. From San Bruno south the Peninsula page takes over, with its own water story, which is mostly the same Hetch Hetchy water and the same advice. Across the bridge, the East Bay page covers Oakland and Berkeley, where EBMUD water is softer still.