CA License #1037326|Bonded & insured|Office Mon–Fri 7:00 AM – 5:00 PM · Emergency line answered 24/7
contact@dasoplumbing.com
DASO PLUMBINGResidential & Commercial
Residential & commercial

Every service we offer, and what it actually includes.

New construction, remodels, emergencies and maintenance contracts — handled at any scale from a single fixture to a full building.

Daso Plumbing crew on extension ladders fitting commercial overhead piping
Daso Crew on Site
Licensed plumbing technicians on the SF Peninsula
Licensed C-36
CA #1037326, active standing
Bonded & insured
Commercial and residential coverage
Written prices
Fixed scope and price before work starts
Photo-documented
Every diagnostic and repair logged
Residential

For the house.

Work on occupied homes gets treated like it — clean sites, protected floors, and a written price before anyone opens a wall.

01

Electronic Leak Detection

Acoustic and thermal location of concealed slab and wall leaks before anything gets opened up.

  • Slab leak acoustic pinpointing
  • Thermal imaging inspection
  • Repair restoration plan
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02

Tankless & Heat Pump Water Heaters

Condensing tankless and hybrid heat pump systems sized for the property, not the box.

  • High-efficiency unit sizing
  • Annual descaling service
  • Rebate-eligible installs
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03

Drain Cleaning & Camera Work

Kitchen, bath and main line clearing, verified on camera rather than assumed.

  • Hair, soap and root clearing
  • Sewer line video diagnostics
  • Preventive maintenance
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04

Sewer & Trenchless Replacement

CIPP epoxy lining and pipe bursting that spares the driveway, slab and landscaping.

  • Camera diagnostics and logs
  • Minimal structural disruption
  • 50-year material lifespan
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05

Copper & PEX Repiping

Galvanized and failing lines replaced with type-L copper or PEX-a, patching included.

  • PEX-a expander systems
  • Minimal wall access design
  • Drywall repair and patching
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06

Gas Lines & Seismic Valves

Gas routing, leak testing and appliance hookups, including seismic shutoff valves.

  • Seismic gas shutoff valves
  • Remodel gas routing
  • Leak detection and testing
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07

Water Softening & Filtration

Scale and mineral control to protect heaters, fixtures and appliance runs.

  • Carbon filter media tanks
  • Scale prevention softeners
  • Reverse osmosis systems
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08

New Construction & ADUs

Ground-up rough-ins, additions and second units, coordinated with the GC and inspector.

  • Underground and slab rough-in
  • ADU and addition plumbing
  • Permit and inspection support
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Commercial Clients & Builders

Facilities & builders who rely on Daso commercial plumbing.

From quick-service franchise build-outs to dealership service bays and custom luxury estates.

Towne Ford Redwood City
Tracery Builders Silicon Valley
Orangetheory SF Peninsula
Jersey Mike's Bay Area
Paragon Builders Bay Area
El Comal Los Altos
Parents Nursery School Palo Alto
Partner With Us
Commercial & GC Bids →
How we work

No surprises between the estimate and the invoice.

The part most people dislike about hiring a plumber is not knowing what it will cost or when it will be done. This is the sequence on every job, residential or commercial.

Step 01

Walk the job

A licensed plumber — not a salesperson — looks at the actual conditions and tells you what the work involves.

Step 02

Scope and price it

You get a written scope and a fixed price before anything starts. If conditions change, you hear it before we proceed.

Step 03

Install to code

Permitted where required, inspected where required, and built to California code the first time.

Step 04

Document and hand off

Photos of every diagnostic, layout and completed repair, delivered as a record you can file or forward.

Standards

What you are actually buying.

Plumbing is bought on trust, so here is the paperwork behind it. Every claim on this page can be checked before you hire us.

Verify our license at the CSLB →

1

License

California State License #1037326, Class C-36, in active standing and verifiable through the CSLB.

2

Bonded & insured

Contractor bond in place through a licensed surety, plus commercial and residential liability coverage.

3

Code compliance

Work performed to California building code and municipal protocol, with permits pulled where the scope requires them.

4

Photo documentation

Every diagnostic, pipe layout and completed repair is photographed and logged — useful for facility files and insurance.

Next step

Get a real number from a licensed plumber.

Send the scope, the address, or just the problem. A licensed plumber reviews it and comes back with a written price — not a range.

Call now Request a bid