Authorized Waterdrop dealer + certified installer in Mill Valley. Undersink RO, countertop systems, whole-home filtration — we sell, deliver, and install.
Need a Waterdrop reverse osmosis system installed in Mill Valley? Zomg The Handyman is an authorized Waterdrop partner serving Marin County. We sell the full Waterdrop lineup — G3P800, X16, X12, D6, countertop and undersink systems — with certified installation included.
Our Mill Valley install team brings the system, all fittings, the dedicated faucet, and the drain saddle. Most undersink installs are finished in 90–150 minutes with a full water quality test before we leave.
Full undersink reverse osmosis install with dedicated faucet, water line tap, drain saddle, and leak test. Most popular Waterdrop service in Mill Valley.
Unbox, assemble, and configure your countertop Waterdrop unit with TDS testing. No plumbing required — perfect for renters in Mill Valley.
Tap into the cold water supply with proper fittings, shut-off valve, and pressure check. Code-compliant work for Mill Valley homes.
We come to your Mill Valley home, swap all filters, flush the system, and verify water quality. Scheduled maintenance available.
Whole-house water filtration with bypass valve and pre-filters. Sediment, chlorine, and contaminant removal for the entire Mill Valley property.
TDS testing, contaminant analysis, and personalized system recommendation. Included with every Waterdrop installation in Mill Valley.
Real reviews from verified customers
"Samsung Frame TV installation was flawless. They ran the cables through the wall and it looks like a painting. Highly recommend for TV mounting in Mill Valley."
"Water heater replacement done right. They hauled away the old one and installed the new tankless. Great plumbing service in Mill Valley. Very knowledgeable team."
"They installed our Mr Cool mini split AC. Professional line set routing, clean installation. Our garage is now comfortable year-round here in Mill Valley."
Common questions about waterdrop ro installation in Mill Valley
Waterdrop undersink RO installation in Mill Valley starts at $199. Countertop setup starts at $99, water line connection at $149, filter replacement service at $79. Whole-home filtration is custom quoted. Book online for an exact quote.
Most undersink Waterdrop installations take 90–150 minutes. Countertop setups are 30–45 minutes. Whole-home systems can take 3–5 hours. We give an accurate estimate when you book.
No — we are an authorized Waterdrop dealer in Mill Valley. Buy the system and installation from us in one transaction with free delivery, or bring your own and we will install it.
For most Mill Valley homes we recommend the Waterdrop G3 P800 tankless undersink RO — 800 GPD, 3:1 pure-to-drain, smart faucet. For renters we suggest the countertop X12 or X16.
Yes — filter replacement service is available across Mill Valley. We bring genuine Waterdrop filters, swap them, flush the system, and test water quality. Starting at $79.
Yes — licensed and insured across California including Mill Valley. All water line taps, shut-off valves, and drain connections are installed to code with pressure-tested fittings.
Also serving these nearby areas
Licensed pros. Starting at $199+. Same-day available. Book online instantly.
Had a great experience? ⭐ Leave us a Google Review