08/28/2026
A detail like this gets decided way earlier than most people expect.
Filtered water at the sink isn't just a faucet swap. It's a dedicated line that has to run during rough plumbing, before drywall goes up and before the counters get templated.
Wait until the kitchen's finished to ask for it, and now it's a demo job instead of a quick add.
This is the kind of thing we're flagging in the first plumbing walkthrough because plumbing hiccups in the design world are what we try to avoid.