Sonoma County plumbing,done right the first time.
Family-run out of Santa Rosa. Karl and the crew handle everything from a dripping shower to a full sewer replacement — with straight answers and no upsells.
- Licence
- #841938
- C-36 Plumbing
- Serving
- 30 cities
- Sonoma & Marin
- Open
- 7AM – 7PM
- Every day
22
years in
business
Karl D'AngeloOwner — on every job- Belvedere
- Bodega Bay
- Cloverdale
- Corte Madera
- Cotati
- Fairfax
- Forestville
- Glen Ellen
- Guerneville
- Healdsburg
- Kenwood
- Larkfield-Wikiup
- Larkspur
- Marin City
- Mill Valley
- Novato
- Penngrove
- Petaluma
- Point Reyes Station
- Rohnert Park
- Ross
- San Anselmo
- San Rafael
- Santa Rosa
- Sausalito
- Sebastopol
- Sonoma
- Terra Linda
- Tiburon
- Windsor
Who is Avanté Plumbing?
Avanté Plumbing is a family-run plumbing contractor based at 1677 Centurion Dr in Santa Rosa, California, serving 30 cities across Sonoma and Marin County. Owner Karl D'Angelo has held California CSLB licence #841938 (C-36 Plumbing) since 2004 — bonded, insured, and rated 4.9 stars across 32 Google reviews. The company handles residential and commercial plumbing: leak detection, drain and sewer clearing, water heaters, repiping, gas lines, fixture installation and remodel plumbing.
More on Karl and how Avanté Plumbing works, the full list of plumbing services, or what 32 customers have said.
Tankless water heater installation
Licensed C-36 · bonded & insured
Why homeowners call back
- You get the owner, not a call centre.Karl runs the jobs himself. The person who quotes it is the person who does it.
- Diagnosis before parts.We find the actual cause instead of swapping components and hoping.
- Fair pricing, in writing.No surprise line items and no pressure to buy work you don’t need.
- We leave it better than we found it.Tidy connections, tested before we go, and the work area put back the way it was.
What we do
What plumbing services does Avanté offer?
Water Heater Repair & Replacement
Efficient water heater repair & replacement in Santa Rosa by Avante Plumbing. Ensure reliable hot water today. Contact us for expert service!
Drain Cleaning & Hydro Jetting
Clear clogs fast with Avante Plumbing's expert drain cleaning & jetting services in Santa Rosa. Enjoy smooth drains today! Contact us for details.
Leak Detection & Repair
Prevent costly water damage with Avante Plumbing's expert leak detection & repair services for faucets, pipes, and toilets. Contact us in Santa Rosa today!
Sewer Repair & Replacement
Experience reliable sewer repair and replacement with Avante Plumbing in Sonoma County. Our licensed pros ensure your satisfaction. Contact us today!
Toilet Repair & Replacement
Swift toilet repair and replacement in Santa Rosa by Avante Plumbing. Reliable, efficient plumbing ensures leak-free toilets. Contact us today for expert service!
Gas Line Repair & Leak Detection
Ensure your home's safety with Avante Plumbing's expert gas line repair and leak detection in Santa Rosa. Contact us today for prompt, reliable service.
How a job goes
No mystery, no surprise invoice
The reason people keep our number isn’t the wrench work — it’s knowing what’s happening, and what it costs, before anyone starts.
Tell us what you're seeing
Call or send the details. Describe the symptom and we’ll tell you whether it sounds urgent or whether it can wait until Tuesday.
We diagnose it properly
We find the actual cause first. A dripping shower might need a specialty cartridge, not a new valve — that’s the difference between a small bill and a big one.
You get the price up front
Clear options in plain language, quoted before any work starts. Say no and you owe nothing.
We do it and clean up
Tidy connections, tested before we leave, and a work area left the way we found it.
Recent work
Real jobs, photographed and written up
People behind the praise
4.9 stars across 32 Google reviews
“knowledgeable, experienced, friendly and fast.”
“Karl came in and was polite, professional, and did a fantastic job.”
“Carl came to install a new toilet for me and was very easy to work with. He was very thorough & I recommend his services.”
Where we work
Serving 30 cities across Sonoma & Marin County
Sonoma County
Common questions
Frequently asked questions
Who is Avanté Plumbing?
Avanté Plumbing is a family-run plumbing contractor based at 1677 Centurion Dr, Santa Rosa, California, serving 30 cities across Sonoma and Marin County. Owner Karl D'Angelo has run the business under CSLB licence #841938 since 2004 — 22 years — and is rated 4.9 stars across 32 Google reviews.
What areas does Avanté Plumbing serve?
30 cities across Sonoma and Marin County, including Belvedere, Bodega Bay, Cloverdale, Corte Madera, Cotati, Fairfax and more, all worked from our base in Santa Rosa.
Are you licensed, bonded and insured?
Yes. Avanté Plumbing holds California CSLB licence #841938 (C-36 Plumbing), issued in 2004 and current and active, backed by a $25,000 contractor's bond and workers' compensation insurance.
What are your hours?
Mon – Sun, 7:00 AM – 7:00 PM. For an active leak, no water, or a suspected gas leak, calling (707) 231-0790 is faster than the contact form.
Will I get an estimate before work starts?
Call (707) 231-0790 or send the details through the contact form. We diagnose the problem first and quote it before any work starts, so you can decide with the number in front of you.
Does the owner actually do the work?
Yes — that is the main thing customers mention. Karl D'Angelo runs the jobs himself rather than dispatching them, which is why so many of the 32 Google reviews name him personally.
Last updated: August 2026 · Written by Karl D'Angelo, CSLB #841938 (C-36 Plumbing), plumbing in Sonoma & Marin since 2004.
Sonoma & Marin County
Need a plumber who shows up and does it right?
Call (707) 231-0790 or send a note — we'll get back to you fast with a straight answer.
Licensed, bonded & insured · CSLB #841938 · Mon – Sun, 7:00 AM – 7:00 PM