Off street rooms are very quiet
We stay in hotels to sleep, so this is the #1 criteria, and this place did a great job of delivering 7 hours sleep, with very little road noise, despite being near Lombard.
Hanging out for an hour or so in the colorful central courtyard (small plunge pool, hammocks, 100' tall palm trees, false always-dry grass to sit on) to eat the included continental breakfast was a real treat. It's 50 yards from the best street in San Francisco for just about everything, Union St.