On many La Jolla properties, the main runs under landscaping and hardscape that were planned with care, so when that line fails, the work has to account for all of it. The signs are the usual ones, a wet area that stays wet, a meter that keeps turning in a quiet house, pressure dropping property wide, or a bill that jumped, and the starting point is to open as little ground as the job allows.
Tracing the route alongside leak locating helps narrow where the trouble sits, whether a fitting, a section stressed by root pressure, or a corroded stretch, and the fix is scoped to what's found. If the line has life left, that can be a repair through a single small opening. If the line is worn out, replacement comes up, and when the route allows, trenchless methods can pull new line under the hardscape through a few small openings, which can spare much of the garden.
A leaking main keeps running through the meter, and the soaked ground can wear on the surfaces above it. You get plain English explanations, the real tradeoffs on each option, time to decide, and the work performed by a licensed contractor when you're ready.