Out here, a repipe conversation covers the property, not just the house. A Fallbrook property's water runs from the meter or the well across real distance before it ever reaches the house, and the house itself, often a ranch home with decades of service, carries its era's original lines. When the signs start, fading pressure, rusty water, leaks one after another, the evaluation looks at the full system, because repiping the house while a failing main run crosses the property leaves part of the problem in place.
That evaluation includes the supply run and its condition, the house lines and their material and era, and the well system where there is one, along with what its water has been doing to the pipes all these years. From all of it comes a clear answer about what's actually failing, what's fine, and where the money belongs, sometimes the house, sometimes the run, sometimes a phased plan that handles both on a sensible timeline. On a big property especially, nobody should repipe without the full picture.
The work gets planned around how the property runs. New lines, modern PEX or copper suited to the property, with the plan explained before and during the work, animals and irrigation included. Costs and tradeoffs are laid out plainly, the decision is yours at your pace, and a licensed contractor performs the work when you say so.