Tell us what's going on.
Commercial bid, residential service, or an active leak — every route below reaches a person, not a queue.

Burst pipe, main line backup, or water you can't shut off
Call the dispatch line directly — it is answered 24 hours a day, including weekends and holidays. Do not use the form for an active emergency.
Daso Plumbing Inc.
- Address
- 570 Marine View Ave, Unit-F
Belmont, CA 94002 - Office phone
- (510) 846-9877
- Office hours
- Mon–Fri 7:00 AM – 5:00 PM
- Emergency line
- Answered 24/7, every day
- License
- CA #1037326 · Class C-36
Request a bid or a service visit
Commercial requests are routed to a project manager. Residential requests go to the service coordinator. You will hear back the same business day if it arrives before 3:00 PM, Monday to Friday.
Sixteen cities, one crew base.
We run out of Belmont, which puts every city we serve inside a short drive — the difference between a same-day look and a next-week appointment. Each city page covers the building stock, permitting and water conditions specific to that jurisdiction.
Belmont, CA 94002
Sixteen Peninsula cities, all within a short drive of the yard — Atherton and Hillsborough to the north, Santa Clara and San Jose to the south.
